mirror of
https://github.com/gohugoio/hugo.git
synced 2024-11-21 20:46:30 -05:00
354 lines
10 KiB
Go
354 lines
10 KiB
Go
// Copyright 2017-present 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 resource
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import (
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"fmt"
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"math/rand"
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"os"
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"path/filepath"
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"strconv"
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"testing"
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"github.com/disintegration/imaging"
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"sync"
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"github.com/stretchr/testify/require"
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)
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func TestParseImageConfig(t *testing.T) {
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for i, this := range []struct {
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in string
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expect interface{}
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}{
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{"300x400", newImageConfig(300, 400, 0, 0, "", "")},
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{"100x200 bottomRight", newImageConfig(100, 200, 0, 0, "", "BottomRight")},
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{"10x20 topleft Lanczos", newImageConfig(10, 20, 0, 0, "Lanczos", "topleft")},
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{"linear left 10x r180", newImageConfig(10, 0, 0, 180, "linear", "left")},
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{"x20 riGht Cosine q95", newImageConfig(0, 20, 95, 0, "cosine", "right")},
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{"", false},
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{"foo", false},
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} {
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result, err := parseImageConfig(this.in)
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if b, ok := this.expect.(bool); ok && !b {
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if err == nil {
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t.Errorf("[%d] parseImageConfig didn't return an expected error", i)
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}
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} else {
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if err != nil {
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t.Fatalf("[%d] err: %s", i, err)
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}
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if fmt.Sprint(result) != fmt.Sprint(this.expect) {
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t.Fatalf("[%d] got\n%v\n but expected\n%v", i, result, this.expect)
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}
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}
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}
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}
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func TestImageTransformBasic(t *testing.T) {
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assert := require.New(t)
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image := fetchSunset(assert)
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printFs(image.sourceFs(), "", os.Stdout)
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assert.Equal("/a/sunset.jpg", image.RelPermalink())
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assert.Equal("image", image.ResourceType())
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resized, err := image.Resize("300x200")
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assert.NoError(err)
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assert.True(image != resized)
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assert.True(image.genericResource != resized.genericResource)
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resized0x, err := image.Resize("x200")
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assert.NoError(err)
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assert.Equal(320, resized0x.Width())
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assert.Equal(200, resized0x.Height())
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assertFileCache(assert, image.spec.BaseFs.ResourcesFs, resized0x.RelPermalink(), 320, 200)
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resizedx0, err := image.Resize("200x")
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assert.NoError(err)
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assert.Equal(200, resizedx0.Width())
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assert.Equal(125, resizedx0.Height())
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assertFileCache(assert, image.spec.BaseFs.ResourcesFs, resizedx0.RelPermalink(), 200, 125)
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resizedAndRotated, err := image.Resize("x200 r90")
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assert.NoError(err)
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assert.Equal(125, resizedAndRotated.Width())
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assert.Equal(200, resizedAndRotated.Height())
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assertFileCache(assert, image.spec.BaseFs.ResourcesFs, resizedAndRotated.RelPermalink(), 125, 200)
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assert.Equal("/a/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_300x200_resize_q68_linear.jpg", resized.RelPermalink())
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assert.Equal(300, resized.Width())
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assert.Equal(200, resized.Height())
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fitted, err := resized.Fit("50x50")
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assert.NoError(err)
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assert.Equal("/a/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_625708021e2bb281c9f1002f88e4753f.jpg", fitted.RelPermalink())
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assert.Equal(50, fitted.Width())
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assert.Equal(31, fitted.Height())
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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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assert.NoError(err)
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assert.Equal("/a/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_3f65ba24dc2b7fba0f56d7f104519157.jpg", fittedAgain.RelPermalink())
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assert.Equal(10, fittedAgain.Width())
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assert.Equal(6, fittedAgain.Height())
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filled, err := image.Fill("200x100 bottomLeft")
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assert.NoError(err)
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assert.Equal("/a/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_200x100_fill_q68_linear_bottomleft.jpg", filled.RelPermalink())
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assert.Equal(200, filled.Width())
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assert.Equal(100, filled.Height())
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assertFileCache(assert, image.spec.BaseFs.ResourcesFs, filled.RelPermalink(), 200, 100)
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smart, err := image.Fill("200x100 smart")
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assert.NoError(err)
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assert.Equal(fmt.Sprintf("/a/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_200x100_fill_q68_linear_smart%d.jpg", smartCropVersionNumber), smart.RelPermalink())
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assert.Equal(200, smart.Width())
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assert.Equal(100, smart.Height())
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assertFileCache(assert, image.spec.BaseFs.ResourcesFs, smart.RelPermalink(), 200, 100)
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// Check cache
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filledAgain, err := image.Fill("200x100 bottomLeft")
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assert.NoError(err)
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assert.True(filled == filledAgain)
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assertFileCache(assert, image.spec.BaseFs.ResourcesFs, filledAgain.RelPermalink(), 200, 100)
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}
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// https://github.com/gohugoio/hugo/issues/4261
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func TestImageTransformLongFilename(t *testing.T) {
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assert := require.New(t)
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image := fetchImage(assert, "1234567890qwertyuiopasdfghjklzxcvbnm5to6eeeeee7via8eleph.jpg")
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assert.NotNil(image)
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resized, err := image.Resize("200x")
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assert.NoError(err)
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assert.NotNil(resized)
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assert.Equal(200, resized.Width())
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assert.Equal("/a/_hu59e56ffff1bc1d8d122b1403d34e039f_90587_65b757a6e14debeae720fe8831f0a9bc.jpg", resized.RelPermalink())
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resized, err = resized.Resize("100x")
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assert.NoError(err)
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assert.NotNil(resized)
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assert.Equal(100, resized.Width())
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assert.Equal("/a/_hu59e56ffff1bc1d8d122b1403d34e039f_90587_c876768085288f41211f768147ba2647.jpg", resized.RelPermalink())
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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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assert := require.New(t)
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spec := newTestResourceOsFs(assert)
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image := fetchImageForSpec(spec, assert, "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.Fatal(err)
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}
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if r1.Width() != id-k {
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t.Fatalf("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.Fatal(err)
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}
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_, err = r2.decodeSource()
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if err != nil {
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t.Fatal("Err decode:", err)
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}
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img = r1
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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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func TestDecodeImaging(t *testing.T) {
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assert := require.New(t)
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m := map[string]interface{}{
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"quality": 42,
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"resampleFilter": "NearestNeighbor",
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"anchor": "topLeft",
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}
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imaging, err := decodeImaging(m)
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assert.NoError(err)
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assert.Equal(42, imaging.Quality)
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assert.Equal("nearestneighbor", imaging.ResampleFilter)
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assert.Equal("topleft", imaging.Anchor)
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m = map[string]interface{}{}
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imaging, err = decodeImaging(m)
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assert.NoError(err)
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assert.Equal(defaultJPEGQuality, imaging.Quality)
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assert.Equal("box", imaging.ResampleFilter)
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assert.Equal("smart", imaging.Anchor)
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_, err = decodeImaging(map[string]interface{}{
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"quality": 123,
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})
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assert.Error(err)
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_, err = decodeImaging(map[string]interface{}{
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"resampleFilter": "asdf",
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})
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assert.Error(err)
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_, err = decodeImaging(map[string]interface{}{
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"anchor": "asdf",
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})
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assert.Error(err)
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imaging, err = decodeImaging(map[string]interface{}{
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"anchor": "Smart",
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})
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assert.NoError(err)
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assert.Equal("smart", imaging.Anchor)
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}
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func TestImageWithMetadata(t *testing.T) {
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assert := require.New(t)
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image := fetchSunset(assert)
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var meta = []map[string]interface{}{
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{
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"title": "My Sunset",
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"name": "Sunset #:counter",
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"src": "*.jpg",
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},
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}
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assert.NoError(AssignMetadata(meta, image))
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assert.Equal("Sunset #1", image.Name())
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resized, err := image.Resize("200x")
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assert.NoError(err)
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assert.Equal("Sunset #1", resized.Name())
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}
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func TestImageResize8BitPNG(t *testing.T) {
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assert := require.New(t)
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image := fetchImage(assert, "gohugoio.png")
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assert.Equal(imaging.PNG, image.format)
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assert.Equal("/a/gohugoio.png", image.RelPermalink())
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assert.Equal("image", image.ResourceType())
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resized, err := image.Resize("800x")
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assert.NoError(err)
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assert.Equal(imaging.PNG, resized.format)
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assert.Equal("/a/gohugoio_hu0e1b9e4a4be4d6f86c7b37b9ccce3fbc_73886_800x0_resize_linear_2.png", resized.RelPermalink())
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assert.Equal(800, resized.Width())
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}
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func TestImageResizeInSubPath(t *testing.T) {
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assert := require.New(t)
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image := fetchImage(assert, "sub/gohugoio2.png")
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assert.Equal(imaging.PNG, image.format)
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assert.Equal("/a/sub/gohugoio2.png", image.RelPermalink())
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assert.Equal("image", image.ResourceType())
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resized, err := image.Resize("101x101")
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assert.NoError(err)
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assert.Equal(imaging.PNG, resized.format)
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assert.Equal("/a/sub/gohugoio2_hu0e1b9e4a4be4d6f86c7b37b9ccce3fbc_73886_101x101_resize_linear_2.png", resized.RelPermalink())
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assert.Equal(101, resized.Width())
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assertFileCache(assert, image.spec.BaseFs.ResourcesFs, resized.RelPermalink(), 101, 101)
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publishedImageFilename := filepath.Clean(resized.RelPermalink())
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assertImageFile(assert, image.spec.BaseFs.PublishFs, publishedImageFilename, 101, 101)
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assert.NoError(image.spec.BaseFs.PublishFs.Remove(publishedImageFilename))
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// Cleare mem cache to simulate reading from the file cache.
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resized.spec.imageCache.clear()
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resizedAgain, err := image.Resize("101x101")
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assert.NoError(err)
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assert.Equal("/a/sub/gohugoio2_hu0e1b9e4a4be4d6f86c7b37b9ccce3fbc_73886_101x101_resize_linear_2.png", resizedAgain.RelPermalink())
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assert.Equal(101, resizedAgain.Width())
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assertFileCache(assert, image.spec.BaseFs.ResourcesFs, resizedAgain.RelPermalink(), 101, 101)
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assertImageFile(assert, image.spec.BaseFs.PublishFs, publishedImageFilename, 101, 101)
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}
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func TestSVGImage(t *testing.T) {
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assert := require.New(t)
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spec := newTestResourceSpec(assert)
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svg := fetchResourceForSpec(spec, assert, "circle.svg")
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assert.NotNil(svg)
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}
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func TestSVGImageContent(t *testing.T) {
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assert := require.New(t)
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spec := newTestResourceSpec(assert)
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svg := fetchResourceForSpec(spec, assert, "circle.svg")
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assert.NotNil(svg)
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content, err := svg.Content()
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assert.NoError(err)
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assert.IsType("", content)
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assert.Contains(content.(string), `<svg height="100" width="100">`)
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}
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func BenchmarkResizeParallel(b *testing.B) {
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assert := require.New(b)
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img := fetchSunset(assert)
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b.RunParallel(func(pb *testing.PB) {
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for pb.Next() {
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w := rand.Intn(10) + 10
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resized, err := img.Resize(strconv.Itoa(w) + "x")
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if err != nil {
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b.Fatal(err)
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}
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_, err = resized.Resize(strconv.Itoa(w-1) + "x")
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if err != nil {
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b.Fatal(err)
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}
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}
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})
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}
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