mirror of
https://github.com/gohugoio/hugo.git
synced 2024-11-07 20:30:36 -05:00
e197c7b29d
To sort an image's colors from darkest to lightest, you can then do:
```handlebars
{{ {{ $colorsByLuminance := sort $image.Colors "Luminance" }}
```
This uses the formula defined here: https://www.w3.org/TR/WCAG21/#dfn-relative-luminance
Fixes #10450
869 lines
24 KiB
Go
869 lines
24 KiB
Go
// Copyright 2019 The Hugo Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package resources_test
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import (
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"context"
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"fmt"
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"image"
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"image/gif"
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"io/fs"
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"math/big"
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"math/rand"
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"os"
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"path/filepath"
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"runtime"
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"strconv"
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"strings"
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"sync"
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"testing"
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"time"
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"github.com/gohugoio/hugo/htesting"
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"github.com/gohugoio/hugo/resources/images/webp"
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"github.com/gohugoio/hugo/common/paths"
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"github.com/spf13/afero"
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"github.com/disintegration/gift"
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"github.com/gohugoio/hugo/helpers"
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"github.com/gohugoio/hugo/media"
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"github.com/gohugoio/hugo/resources/images"
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"github.com/google/go-cmp/cmp"
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"github.com/gohugoio/hugo/htesting/hqt"
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qt "github.com/frankban/quicktest"
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)
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var eq = qt.CmpEquals(
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cmp.Comparer(func(p1, p2 os.FileInfo) bool {
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return p1.Name() == p2.Name() && p1.Size() == p2.Size() && p1.IsDir() == p2.IsDir()
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}),
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cmp.Comparer(func(d1, d2 fs.DirEntry) bool {
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p1, err1 := d1.Info()
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p2, err2 := d2.Info()
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if err1 != nil || err2 != nil {
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return false
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}
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return p1.Name() == p2.Name() && p1.Size() == p2.Size() && p1.IsDir() == p2.IsDir()
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}),
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// cmp.Comparer(func(p1, p2 *genericResource) bool { return p1 == p2 }),
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cmp.Comparer(func(m1, m2 media.Type) bool {
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return m1.Type == m2.Type
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}),
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cmp.Comparer(
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func(v1, v2 *big.Rat) bool {
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return v1.RatString() == v2.RatString()
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},
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),
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cmp.Comparer(func(v1, v2 time.Time) bool {
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return v1.Unix() == v2.Unix()
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}),
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)
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func TestImageTransformBasic(t *testing.T) {
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c := qt.New(t)
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_, image := fetchSunset(c)
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assertWidthHeight := func(img images.ImageResource, w, h int) {
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assertWidthHeight(c, img, w, h)
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}
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gotColors, err := image.Colors()
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c.Assert(err, qt.IsNil)
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expectedColors := images.HexStringsToColors("#2d2f33", "#a49e93", "#d39e59", "#a76936", "#737a84", "#7c838b")
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c.Assert(len(gotColors), qt.Equals, len(expectedColors))
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for i := range gotColors {
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c1, c2 := gotColors[i], expectedColors[i]
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c.Assert(c1.ColorHex(), qt.Equals, c2.ColorHex())
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c.Assert(c1.ColorGo(), qt.DeepEquals, c2.ColorGo())
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c.Assert(c1.Luminance(), qt.Equals, c2.Luminance())
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}
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c.Assert(image.RelPermalink(), qt.Equals, "/a/sunset.jpg")
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c.Assert(image.ResourceType(), qt.Equals, "image")
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assertWidthHeight(image, 900, 562)
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resized, err := image.Resize("300x200")
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c.Assert(err, qt.IsNil)
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c.Assert(image != resized, qt.Equals, true)
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assertWidthHeight(resized, 300, 200)
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assertWidthHeight(image, 900, 562)
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resized0x, err := image.Resize("x200")
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c.Assert(err, qt.IsNil)
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assertWidthHeight(resized0x, 320, 200)
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resizedx0, err := image.Resize("200x")
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c.Assert(err, qt.IsNil)
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assertWidthHeight(resizedx0, 200, 125)
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resizedAndRotated, err := image.Resize("x200 r90")
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c.Assert(err, qt.IsNil)
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assertWidthHeight(resizedAndRotated, 125, 200)
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assertWidthHeight(resized, 300, 200)
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c.Assert(resized.RelPermalink(), qt.Equals, "/a/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_300x200_resize_q68_linear.jpg")
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fitted, err := resized.Fit("50x50")
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c.Assert(err, qt.IsNil)
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c.Assert(fitted.RelPermalink(), qt.Equals, "/a/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_625708021e2bb281c9f1002f88e4753f.jpg")
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assertWidthHeight(fitted, 50, 33)
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// Check the MD5 key threshold
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fittedAgain, _ := fitted.Fit("10x20")
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fittedAgain, err = fittedAgain.Fit("10x20")
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c.Assert(err, qt.IsNil)
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c.Assert(fittedAgain.RelPermalink(), qt.Equals, "/a/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_3f65ba24dc2b7fba0f56d7f104519157.jpg")
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assertWidthHeight(fittedAgain, 10, 7)
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filled, err := image.Fill("200x100 bottomLeft")
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c.Assert(err, qt.IsNil)
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c.Assert(filled.RelPermalink(), qt.Equals, "/a/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_200x100_fill_q68_linear_bottomleft.jpg")
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assertWidthHeight(filled, 200, 100)
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smart, err := image.Fill("200x100 smart")
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c.Assert(err, qt.IsNil)
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c.Assert(smart.RelPermalink(), qt.Equals, fmt.Sprintf("/a/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_200x100_fill_q68_linear_smart%d.jpg", 1))
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assertWidthHeight(smart, 200, 100)
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// Check cache
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filledAgain, err := image.Fill("200x100 bottomLeft")
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c.Assert(err, qt.IsNil)
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c.Assert(filled, qt.Equals, filledAgain)
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cropped, err := image.Crop("300x300 topRight")
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c.Assert(err, qt.IsNil)
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c.Assert(cropped.RelPermalink(), qt.Equals, "/a/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_300x300_crop_q68_linear_topright.jpg")
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assertWidthHeight(cropped, 300, 300)
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smartcropped, err := image.Crop("200x200 smart")
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c.Assert(err, qt.IsNil)
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c.Assert(smartcropped.RelPermalink(), qt.Equals, fmt.Sprintf("/a/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_200x200_crop_q68_linear_smart%d.jpg", 1))
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assertWidthHeight(smartcropped, 200, 200)
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// Check cache
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croppedAgain, err := image.Crop("300x300 topRight")
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c.Assert(err, qt.IsNil)
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c.Assert(cropped, qt.Equals, croppedAgain)
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}
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func TestImageProcess(t *testing.T) {
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c := qt.New(t)
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_, img := fetchSunset(c)
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resized, err := img.Process("resiZe 300x200")
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c.Assert(err, qt.IsNil)
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assertWidthHeight(c, resized, 300, 200)
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rotated, err := resized.Process("R90")
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c.Assert(err, qt.IsNil)
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assertWidthHeight(c, rotated, 200, 300)
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converted, err := img.Process("png")
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c.Assert(err, qt.IsNil)
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c.Assert(converted.MediaType().Type, qt.Equals, "image/png")
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checkProcessVsMethod := func(action, spec string) {
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var expect images.ImageResource
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var err error
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switch action {
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case images.ActionCrop:
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expect, err = img.Crop(spec)
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case images.ActionFill:
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expect, err = img.Fill(spec)
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case images.ActionFit:
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expect, err = img.Fit(spec)
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case images.ActionResize:
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expect, err = img.Resize(spec)
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}
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c.Assert(err, qt.IsNil)
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got, err := img.Process(spec + " " + action)
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c.Assert(err, qt.IsNil)
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assertWidthHeight(c, got, expect.Width(), expect.Height())
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c.Assert(got.MediaType(), qt.Equals, expect.MediaType())
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}
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checkProcessVsMethod(images.ActionCrop, "300x200 topleFt")
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checkProcessVsMethod(images.ActionFill, "300x200 topleft")
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checkProcessVsMethod(images.ActionFit, "300x200 png")
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checkProcessVsMethod(images.ActionResize, "300x R90")
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}
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func TestImageTransformFormat(t *testing.T) {
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c := qt.New(t)
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_, image := fetchSunset(c)
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assertExtWidthHeight := func(img images.ImageResource, ext string, w, h int) {
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c.Helper()
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c.Assert(img, qt.Not(qt.IsNil))
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c.Assert(paths.Ext(img.RelPermalink()), qt.Equals, ext)
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c.Assert(img.Width(), qt.Equals, w)
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c.Assert(img.Height(), qt.Equals, h)
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}
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c.Assert(image.RelPermalink(), qt.Equals, "/a/sunset.jpg")
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c.Assert(image.ResourceType(), qt.Equals, "image")
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assertExtWidthHeight(image, ".jpg", 900, 562)
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imagePng, err := image.Resize("450x png")
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c.Assert(err, qt.IsNil)
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c.Assert(imagePng.RelPermalink(), qt.Equals, "/a/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_450x0_resize_linear.png")
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c.Assert(imagePng.ResourceType(), qt.Equals, "image")
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assertExtWidthHeight(imagePng, ".png", 450, 281)
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c.Assert(imagePng.Name(), qt.Equals, "sunset.jpg")
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c.Assert(imagePng.MediaType().String(), qt.Equals, "image/png")
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imageGif, err := image.Resize("225x gif")
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c.Assert(err, qt.IsNil)
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c.Assert(imageGif.RelPermalink(), qt.Equals, "/a/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_225x0_resize_linear.gif")
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c.Assert(imageGif.ResourceType(), qt.Equals, "image")
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assertExtWidthHeight(imageGif, ".gif", 225, 141)
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c.Assert(imageGif.Name(), qt.Equals, "sunset.jpg")
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c.Assert(imageGif.MediaType().String(), qt.Equals, "image/gif")
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}
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// https://github.com/gohugoio/hugo/issues/5730
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func TestImagePermalinkPublishOrder(t *testing.T) {
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for _, checkOriginalFirst := range []bool{true, false} {
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name := "OriginalFirst"
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if !checkOriginalFirst {
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name = "ResizedFirst"
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}
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t.Run(name, func(t *testing.T) {
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c := qt.New(t)
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spec, workDir := newTestResourceOsFs(c)
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defer func() {
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os.Remove(workDir)
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}()
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check1 := func(img images.ImageResource) {
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resizedLink := "/a/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_100x50_resize_q75_box.jpg"
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c.Assert(img.RelPermalink(), qt.Equals, resizedLink)
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assertImageFile(c, spec.PublishFs, resizedLink, 100, 50)
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}
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check2 := func(img images.ImageResource) {
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c.Assert(img.RelPermalink(), qt.Equals, "/a/sunset.jpg")
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assertImageFile(c, spec.PublishFs, "a/sunset.jpg", 900, 562)
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}
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original := fetchImageForSpec(spec, c, "sunset.jpg")
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c.Assert(original, qt.Not(qt.IsNil))
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if checkOriginalFirst {
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check2(original)
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}
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resized, err := original.Resize("100x50")
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c.Assert(err, qt.IsNil)
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check1(resized)
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if !checkOriginalFirst {
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check2(original)
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}
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})
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}
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}
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func TestImageBugs(t *testing.T) {
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c := qt.New(t)
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// Issue #4261
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c.Run("Transform long filename", func(c *qt.C) {
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_, image := fetchImage(c, "1234567890qwertyuiopasdfghjklzxcvbnm5to6eeeeee7via8eleph.jpg")
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c.Assert(image, qt.Not(qt.IsNil))
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resized, err := image.Resize("200x")
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c.Assert(err, qt.IsNil)
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c.Assert(resized, qt.Not(qt.IsNil))
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c.Assert(resized.Width(), qt.Equals, 200)
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c.Assert(resized.RelPermalink(), qt.Equals, "/a/_hu59e56ffff1bc1d8d122b1403d34e039f_90587_65b757a6e14debeae720fe8831f0a9bc.jpg")
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resized, err = resized.Resize("100x")
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c.Assert(err, qt.IsNil)
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c.Assert(resized, qt.Not(qt.IsNil))
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c.Assert(resized.Width(), qt.Equals, 100)
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c.Assert(resized.RelPermalink(), qt.Equals, "/a/_hu59e56ffff1bc1d8d122b1403d34e039f_90587_c876768085288f41211f768147ba2647.jpg")
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})
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// Issue #6137
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c.Run("Transform upper case extension", func(c *qt.C) {
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_, image := fetchImage(c, "sunrise.JPG")
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resized, err := image.Resize("200x")
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c.Assert(err, qt.IsNil)
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c.Assert(resized, qt.Not(qt.IsNil))
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c.Assert(resized.Width(), qt.Equals, 200)
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})
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// Issue #7955
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c.Run("Fill with smartcrop", func(c *qt.C) {
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_, sunset := fetchImage(c, "sunset.jpg")
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for _, test := range []struct {
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originalDimensions string
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targetWH int
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}{
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{"408x403", 400},
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{"425x403", 400},
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{"459x429", 400},
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{"476x442", 400},
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{"544x403", 400},
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{"476x468", 400},
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{"578x585", 550},
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{"578x598", 550},
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} {
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c.Run(test.originalDimensions, func(c *qt.C) {
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image, err := sunset.Resize(test.originalDimensions)
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c.Assert(err, qt.IsNil)
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resized, err := image.Fill(fmt.Sprintf("%dx%d smart", test.targetWH, test.targetWH))
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c.Assert(err, qt.IsNil)
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c.Assert(resized, qt.Not(qt.IsNil))
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c.Assert(resized.Width(), qt.Equals, test.targetWH)
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c.Assert(resized.Height(), qt.Equals, test.targetWH)
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})
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}
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})
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}
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func TestImageTransformConcurrent(t *testing.T) {
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var wg sync.WaitGroup
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c := qt.New(t)
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spec, workDir := newTestResourceOsFs(c)
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defer func() {
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os.Remove(workDir)
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}()
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image := fetchImageForSpec(spec, c, "sunset.jpg")
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for i := 0; i < 4; i++ {
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wg.Add(1)
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go func(id int) {
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defer wg.Done()
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for j := 0; j < 5; j++ {
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img := image
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for k := 0; k < 2; k++ {
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r1, err := img.Resize(fmt.Sprintf("%dx", id-k))
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if err != nil {
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t.Error(err)
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}
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if r1.Width() != id-k {
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t.Errorf("Width: %d:%d", r1.Width(), j)
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}
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r2, err := r1.Resize(fmt.Sprintf("%dx", id-k-1))
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if err != nil {
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t.Error(err)
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}
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img = r2
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}
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}
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}(i + 20)
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}
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wg.Wait()
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}
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|
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func TestImageResize8BitPNG(t *testing.T) {
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c := qt.New(t)
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|
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_, image := fetchImage(c, "gohugoio.png")
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c.Assert(image.MediaType().Type, qt.Equals, "image/png")
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c.Assert(image.RelPermalink(), qt.Equals, "/a/gohugoio.png")
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c.Assert(image.ResourceType(), qt.Equals, "image")
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c.Assert(image.Exif(), qt.IsNil)
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resized, err := image.Resize("800x")
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c.Assert(err, qt.IsNil)
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c.Assert(resized.MediaType().Type, qt.Equals, "image/png")
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c.Assert(resized.RelPermalink(), qt.Equals, "/a/gohugoio_hu0e1b9e4a4be4d6f86c7b37b9ccce3fbc_73886_800x0_resize_linear_3.png")
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c.Assert(resized.Width(), qt.Equals, 800)
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}
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|
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func TestSVGImage(t *testing.T) {
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c := qt.New(t)
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spec := newTestResourceSpec(specDescriptor{c: c})
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svg := fetchResourceForSpec(spec, c, "circle.svg")
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c.Assert(svg, qt.Not(qt.IsNil))
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}
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func TestSVGImageContent(t *testing.T) {
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c := qt.New(t)
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spec := newTestResourceSpec(specDescriptor{c: c})
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svg := fetchResourceForSpec(spec, c, "circle.svg")
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c.Assert(svg, qt.Not(qt.IsNil))
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content, err := svg.Content(context.Background())
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c.Assert(err, qt.IsNil)
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c.Assert(content, hqt.IsSameType, "")
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c.Assert(content.(string), qt.Contains, `<svg height="100" width="100">`)
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}
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|
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func TestImageExif(t *testing.T) {
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c := qt.New(t)
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fs := afero.NewMemMapFs()
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spec := newTestResourceSpec(specDescriptor{fs: fs, c: c})
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image := fetchResourceForSpec(spec, c, "sunset.jpg").(images.ImageResource)
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|
|
getAndCheckExif := func(c *qt.C, image images.ImageResource) {
|
|
x := image.Exif()
|
|
c.Assert(x, qt.Not(qt.IsNil))
|
|
|
|
c.Assert(x.Date.Format("2006-01-02"), qt.Equals, "2017-10-27")
|
|
|
|
// Malaga: https://goo.gl/taazZy
|
|
c.Assert(x.Lat, qt.Equals, float64(36.59744166666667))
|
|
c.Assert(x.Long, qt.Equals, float64(-4.50846))
|
|
|
|
v, found := x.Tags["LensModel"]
|
|
c.Assert(found, qt.Equals, true)
|
|
lensModel, ok := v.(string)
|
|
c.Assert(ok, qt.Equals, true)
|
|
c.Assert(lensModel, qt.Equals, "smc PENTAX-DA* 16-50mm F2.8 ED AL [IF] SDM")
|
|
resized, _ := image.Resize("300x200")
|
|
x2 := resized.Exif()
|
|
c.Assert(x2, eq, x)
|
|
}
|
|
|
|
getAndCheckExif(c, image)
|
|
image = fetchResourceForSpec(spec, c, "sunset.jpg").(images.ImageResource)
|
|
// This will read from file cache.
|
|
getAndCheckExif(c, image)
|
|
}
|
|
|
|
func TestImageColorsLuminance(t *testing.T) {
|
|
c := qt.New(t)
|
|
|
|
_, image := fetchSunset(c)
|
|
c.Assert(image, qt.Not(qt.IsNil))
|
|
colors, err := image.Colors()
|
|
c.Assert(err, qt.IsNil)
|
|
c.Assert(len(colors), qt.Equals, 6)
|
|
var prevLuminance float64
|
|
for i, color := range colors {
|
|
luminance := color.Luminance()
|
|
c.Assert(err, qt.IsNil)
|
|
c.Assert(luminance > 0, qt.IsTrue)
|
|
c.Assert(luminance, qt.Not(qt.Equals), prevLuminance, qt.Commentf("i=%d", i))
|
|
prevLuminance = luminance
|
|
}
|
|
}
|
|
|
|
func BenchmarkImageExif(b *testing.B) {
|
|
getImages := func(c *qt.C, b *testing.B, fs afero.Fs) []images.ImageResource {
|
|
spec := newTestResourceSpec(specDescriptor{fs: fs, c: c})
|
|
imgs := make([]images.ImageResource, b.N)
|
|
for i := 0; i < b.N; i++ {
|
|
imgs[i] = fetchResourceForSpec(spec, c, "sunset.jpg", strconv.Itoa(i)).(images.ImageResource)
|
|
}
|
|
return imgs
|
|
}
|
|
|
|
getAndCheckExif := func(c *qt.C, image images.ImageResource) {
|
|
x := image.Exif()
|
|
c.Assert(x, qt.Not(qt.IsNil))
|
|
c.Assert(x.Long, qt.Equals, float64(-4.50846))
|
|
}
|
|
|
|
b.Run("Cold cache", func(b *testing.B) {
|
|
b.StopTimer()
|
|
c := qt.New(b)
|
|
images := getImages(c, b, afero.NewMemMapFs())
|
|
|
|
b.StartTimer()
|
|
for i := 0; i < b.N; i++ {
|
|
getAndCheckExif(c, images[i])
|
|
}
|
|
})
|
|
|
|
b.Run("Cold cache, 10", func(b *testing.B) {
|
|
b.StopTimer()
|
|
c := qt.New(b)
|
|
images := getImages(c, b, afero.NewMemMapFs())
|
|
|
|
b.StartTimer()
|
|
for i := 0; i < b.N; i++ {
|
|
for j := 0; j < 10; j++ {
|
|
getAndCheckExif(c, images[i])
|
|
}
|
|
}
|
|
})
|
|
|
|
b.Run("Warm cache", func(b *testing.B) {
|
|
b.StopTimer()
|
|
c := qt.New(b)
|
|
fs := afero.NewMemMapFs()
|
|
images := getImages(c, b, fs)
|
|
for i := 0; i < b.N; i++ {
|
|
getAndCheckExif(c, images[i])
|
|
}
|
|
|
|
images = getImages(c, b, fs)
|
|
|
|
b.StartTimer()
|
|
for i := 0; i < b.N; i++ {
|
|
getAndCheckExif(c, images[i])
|
|
}
|
|
})
|
|
}
|
|
|
|
// usesFMA indicates whether "fused multiply and add" (FMA) instruction is
|
|
// used. The command "grep FMADD go/test/codegen/floats.go" can help keep
|
|
// the FMA-using architecture list updated.
|
|
var usesFMA = runtime.GOARCH == "s390x" ||
|
|
runtime.GOARCH == "ppc64" ||
|
|
runtime.GOARCH == "ppc64le" ||
|
|
runtime.GOARCH == "arm64" ||
|
|
runtime.GOARCH == "riscv64"
|
|
|
|
// goldenEqual compares two NRGBA images. It is used in golden tests only.
|
|
// A small tolerance is allowed on architectures using "fused multiply and add"
|
|
// (FMA) instruction to accommodate for floating-point rounding differences
|
|
// with control golden images that were generated on amd64 architecture.
|
|
// See https://golang.org/ref/spec#Floating_point_operators
|
|
// and https://github.com/gohugoio/hugo/issues/6387 for more information.
|
|
//
|
|
// Borrowed from https://github.com/disintegration/gift/blob/a999ff8d5226e5ab14b64a94fca07c4ac3f357cf/gift_test.go#L598-L625
|
|
// Copyright (c) 2014-2019 Grigory Dryapak
|
|
// Licensed under the MIT License.
|
|
func goldenEqual(img1, img2 *image.NRGBA) bool {
|
|
maxDiff := 0
|
|
if usesFMA {
|
|
maxDiff = 1
|
|
}
|
|
if !img1.Rect.Eq(img2.Rect) {
|
|
return false
|
|
}
|
|
if len(img1.Pix) != len(img2.Pix) {
|
|
return false
|
|
}
|
|
for i := 0; i < len(img1.Pix); i++ {
|
|
diff := int(img1.Pix[i]) - int(img2.Pix[i])
|
|
if diff < 0 {
|
|
diff = -diff
|
|
}
|
|
if diff > maxDiff {
|
|
return false
|
|
}
|
|
}
|
|
return true
|
|
}
|
|
|
|
// Issue #8729
|
|
func TestImageOperationsGoldenWebp(t *testing.T) {
|
|
if !htesting.IsCI() {
|
|
t.Skip("skip long running test in local mode")
|
|
}
|
|
if !webp.Supports() {
|
|
t.Skip("skip webp test")
|
|
}
|
|
c := qt.New(t)
|
|
c.Parallel()
|
|
|
|
devMode := false
|
|
|
|
testImages := []string{"fuzzy-cirlcle.png"}
|
|
|
|
spec, workDir := newTestResourceOsFs(c)
|
|
defer func() {
|
|
if !devMode {
|
|
os.Remove(workDir)
|
|
}
|
|
}()
|
|
|
|
if devMode {
|
|
fmt.Println(workDir)
|
|
}
|
|
|
|
for _, imageName := range testImages {
|
|
image := fetchImageForSpec(spec, c, imageName)
|
|
imageWebp, err := image.Resize("200x webp")
|
|
c.Assert(err, qt.IsNil)
|
|
c.Assert(imageWebp.Width(), qt.Equals, 200)
|
|
}
|
|
|
|
if devMode {
|
|
return
|
|
}
|
|
|
|
dir1 := filepath.Join(workDir, "resources/_gen/images/a")
|
|
dir2 := filepath.FromSlash("testdata/golden_webp")
|
|
|
|
assetGoldenDirs(c, dir1, dir2)
|
|
}
|
|
|
|
func TestImageOperationsGolden(t *testing.T) {
|
|
if !htesting.IsCI() {
|
|
t.Skip("skip long running test in local mode")
|
|
}
|
|
c := qt.New(t)
|
|
c.Parallel()
|
|
|
|
// Note, if you're enabling this on a MacOS M1 (ARM) you need to run the test with GOARCH=amd64.
|
|
// GOARCH=amd64 go test -count 1 -timeout 30s -run "^TestImageOperationsGolden$" ./resources -v
|
|
// The above will print out a folder.
|
|
// Replace testdata/golden with resources/_gen/images in that folder.
|
|
devMode := false
|
|
|
|
testImages := []string{"sunset.jpg", "gohugoio8.png", "gohugoio24.png"}
|
|
|
|
spec, workDir := newTestResourceOsFs(c)
|
|
defer func() {
|
|
if !devMode {
|
|
os.Remove(workDir)
|
|
}
|
|
}()
|
|
|
|
if devMode {
|
|
fmt.Println(workDir)
|
|
}
|
|
|
|
gopher := fetchImageForSpec(spec, c, "gopher-hero8.png")
|
|
var err error
|
|
gopher, err = gopher.Resize("30x")
|
|
c.Assert(err, qt.IsNil)
|
|
|
|
f := &images.Filters{}
|
|
|
|
sunset := fetchImageForSpec(spec, c, "sunset.jpg")
|
|
|
|
// Test PNGs with alpha channel.
|
|
for _, img := range []string{"gopher-hero8.png", "gradient-circle.png"} {
|
|
orig := fetchImageForSpec(spec, c, img)
|
|
for _, resizeSpec := range []string{"200x #e3e615", "200x jpg #e3e615"} {
|
|
resized, err := orig.Resize(resizeSpec)
|
|
c.Assert(err, qt.IsNil)
|
|
rel := resized.RelPermalink()
|
|
|
|
c.Assert(rel, qt.Not(qt.Equals), "")
|
|
|
|
}
|
|
|
|
// Check the Opacity filter.
|
|
opacity30, err := orig.Filter(f.Opacity(30))
|
|
c.Assert(err, qt.IsNil)
|
|
overlay, err := sunset.Filter(f.Overlay(opacity30.(images.ImageSource), 20, 20))
|
|
c.Assert(err, qt.IsNil)
|
|
rel := overlay.RelPermalink()
|
|
c.Assert(rel, qt.Not(qt.Equals), "")
|
|
|
|
}
|
|
|
|
// A simple Gif file (no animation).
|
|
orig := fetchImageForSpec(spec, c, "gohugoio-card.gif")
|
|
for _, width := range []int{100, 220} {
|
|
resized, err := orig.Resize(fmt.Sprintf("%dx", width))
|
|
c.Assert(err, qt.IsNil)
|
|
rel := resized.RelPermalink()
|
|
c.Assert(rel, qt.Not(qt.Equals), "")
|
|
c.Assert(resized.Width(), qt.Equals, width)
|
|
}
|
|
|
|
// Animated GIF
|
|
orig = fetchImageForSpec(spec, c, "giphy.gif")
|
|
for _, resizeSpec := range []string{"200x", "512x", "100x jpg"} {
|
|
resized, err := orig.Resize(resizeSpec)
|
|
c.Assert(err, qt.IsNil)
|
|
rel := resized.RelPermalink()
|
|
c.Assert(rel, qt.Not(qt.Equals), "")
|
|
}
|
|
|
|
for _, img := range testImages {
|
|
|
|
orig := fetchImageForSpec(spec, c, img)
|
|
for _, resizeSpec := range []string{"200x100", "600x", "200x r90 q50 Box"} {
|
|
resized, err := orig.Resize(resizeSpec)
|
|
c.Assert(err, qt.IsNil)
|
|
rel := resized.RelPermalink()
|
|
c.Assert(rel, qt.Not(qt.Equals), "")
|
|
}
|
|
|
|
for _, fillSpec := range []string{"300x200 Gaussian Smart", "100x100 Center", "300x100 TopLeft NearestNeighbor", "400x200 BottomLeft"} {
|
|
resized, err := orig.Fill(fillSpec)
|
|
c.Assert(err, qt.IsNil)
|
|
rel := resized.RelPermalink()
|
|
c.Assert(rel, qt.Not(qt.Equals), "")
|
|
}
|
|
|
|
for _, fitSpec := range []string{"300x200 Linear"} {
|
|
resized, err := orig.Fit(fitSpec)
|
|
c.Assert(err, qt.IsNil)
|
|
rel := resized.RelPermalink()
|
|
c.Assert(rel, qt.Not(qt.Equals), "")
|
|
}
|
|
|
|
filters := []gift.Filter{
|
|
f.Grayscale(),
|
|
f.GaussianBlur(6),
|
|
f.Saturation(50),
|
|
f.Sepia(100),
|
|
f.Brightness(30),
|
|
f.ColorBalance(10, -10, -10),
|
|
f.Colorize(240, 50, 100),
|
|
f.Gamma(1.5),
|
|
f.UnsharpMask(1, 1, 0),
|
|
f.Sigmoid(0.5, 7),
|
|
f.Pixelate(5),
|
|
f.Invert(),
|
|
f.Hue(22),
|
|
f.Contrast(32.5),
|
|
f.Overlay(gopher.(images.ImageSource), 20, 30),
|
|
f.Text("No options"),
|
|
f.Text("This long text is to test line breaks. Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat."),
|
|
f.Text("Hugo rocks!", map[string]any{"x": 3, "y": 3, "size": 20, "color": "#fc03b1"}),
|
|
}
|
|
|
|
resized, err := orig.Fill("400x200 center")
|
|
c.Assert(err, qt.IsNil)
|
|
|
|
for _, filter := range filters {
|
|
resized, err := resized.Filter(filter)
|
|
c.Assert(err, qt.IsNil)
|
|
rel := resized.RelPermalink()
|
|
c.Assert(rel, qt.Not(qt.Equals), "")
|
|
}
|
|
|
|
resized, err = resized.Filter(filters[0:4])
|
|
c.Assert(err, qt.IsNil)
|
|
rel := resized.RelPermalink()
|
|
c.Assert(rel, qt.Not(qt.Equals), "")
|
|
}
|
|
|
|
if devMode {
|
|
return
|
|
}
|
|
|
|
dir1 := filepath.Join(workDir, "resources/_gen/images/a/")
|
|
dir2 := filepath.FromSlash("testdata/golden")
|
|
|
|
assetGoldenDirs(c, dir1, dir2)
|
|
}
|
|
|
|
func assetGoldenDirs(c *qt.C, dir1, dir2 string) {
|
|
// The two dirs above should now be the same.
|
|
dirinfos1, err := os.ReadDir(dir1)
|
|
c.Assert(err, qt.IsNil)
|
|
dirinfos2, err := os.ReadDir(dir2)
|
|
c.Assert(err, qt.IsNil)
|
|
c.Assert(len(dirinfos1), qt.Equals, len(dirinfos2))
|
|
|
|
for i, fi1 := range dirinfos1 {
|
|
fi2 := dirinfos2[i]
|
|
c.Assert(fi1.Name(), qt.Equals, fi2.Name(), qt.Commentf("i=%d", i))
|
|
|
|
f1, err := os.Open(filepath.Join(dir1, fi1.Name()))
|
|
c.Assert(err, qt.IsNil)
|
|
f2, err := os.Open(filepath.Join(dir2, fi2.Name()))
|
|
c.Assert(err, qt.IsNil)
|
|
|
|
decodeAll := func(f *os.File) []image.Image {
|
|
var images []image.Image
|
|
|
|
if strings.HasSuffix(f.Name(), ".gif") {
|
|
gif, err := gif.DecodeAll(f)
|
|
c.Assert(err, qt.IsNil)
|
|
images = make([]image.Image, len(gif.Image))
|
|
for i, img := range gif.Image {
|
|
images[i] = img
|
|
}
|
|
} else {
|
|
img, _, err := image.Decode(f)
|
|
c.Assert(err, qt.IsNil)
|
|
images = append(images, img)
|
|
}
|
|
return images
|
|
}
|
|
|
|
imgs1 := decodeAll(f1)
|
|
imgs2 := decodeAll(f2)
|
|
c.Assert(len(imgs1), qt.Equals, len(imgs2))
|
|
|
|
LOOP:
|
|
for i, img1 := range imgs1 {
|
|
img2 := imgs2[i]
|
|
nrgba1 := image.NewNRGBA(img1.Bounds())
|
|
gift.New().Draw(nrgba1, img1)
|
|
nrgba2 := image.NewNRGBA(img2.Bounds())
|
|
gift.New().Draw(nrgba2, img2)
|
|
|
|
if !goldenEqual(nrgba1, nrgba2) {
|
|
switch fi1.Name() {
|
|
case "gohugoio8_hu7f72c00afdf7634587afaa5eff2a25b2_73538_73c19c5f80881858a85aa23cd0ca400d.png",
|
|
"gohugoio8_hu7f72c00afdf7634587afaa5eff2a25b2_73538_ae631e5252bb5d7b92bc766ad1a89069.png",
|
|
"gohugoio8_hu7f72c00afdf7634587afaa5eff2a25b2_73538_d1bbfa2629bffb90118cacce3fcfb924.png",
|
|
"giphy_hu3eafc418e52414ace6236bf1d31f82e1_52213_200x0_resize_box_1.gif":
|
|
c.Log("expectedly differs from golden due to dithering:", fi1.Name())
|
|
default:
|
|
c.Errorf("resulting image differs from golden: %s", fi1.Name())
|
|
break LOOP
|
|
}
|
|
}
|
|
}
|
|
|
|
if !usesFMA {
|
|
c.Assert(fi1, eq, fi2)
|
|
|
|
_, err = f1.Seek(0, 0)
|
|
c.Assert(err, qt.IsNil)
|
|
_, err = f2.Seek(0, 0)
|
|
c.Assert(err, qt.IsNil)
|
|
|
|
hash1, err := helpers.MD5FromReader(f1)
|
|
c.Assert(err, qt.IsNil)
|
|
hash2, err := helpers.MD5FromReader(f2)
|
|
c.Assert(err, qt.IsNil)
|
|
|
|
c.Assert(hash1, qt.Equals, hash2)
|
|
}
|
|
|
|
f1.Close()
|
|
f2.Close()
|
|
}
|
|
}
|
|
|
|
func BenchmarkResizeParallel(b *testing.B) {
|
|
c := qt.New(b)
|
|
_, img := fetchSunset(c)
|
|
|
|
b.RunParallel(func(pb *testing.PB) {
|
|
for pb.Next() {
|
|
w := rand.Intn(10) + 10
|
|
resized, err := img.Resize(strconv.Itoa(w) + "x")
|
|
if err != nil {
|
|
b.Fatal(err)
|
|
}
|
|
_, err = resized.Resize(strconv.Itoa(w-1) + "x")
|
|
if err != nil {
|
|
b.Fatal(err)
|
|
}
|
|
}
|
|
})
|
|
}
|
|
|
|
func assertWidthHeight(c *qt.C, img images.ImageResource, w, h int) {
|
|
c.Helper()
|
|
c.Assert(img, qt.Not(qt.IsNil))
|
|
c.Assert(img.Width(), qt.Equals, w)
|
|
c.Assert(img.Height(), qt.Equals, h)
|
|
}
|