mirror of
https://github.com/gohugoio/hugo.git
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121 lines
2.8 KiB
Go
121 lines
2.8 KiB
Go
// Copyright 2017 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 images
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import (
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"bytes"
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"fmt"
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"image"
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"image/color"
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"image/png"
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"path/filepath"
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"testing"
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"github.com/gohugoio/hugo/deps"
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"github.com/gohugoio/hugo/hugofs"
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"github.com/spf13/afero"
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"github.com/spf13/cast"
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"github.com/spf13/viper"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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type tstNoStringer struct{}
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var configTests = []struct {
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path interface{}
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input []byte
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expect interface{}
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}{
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{
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path: "a.png",
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input: blankImage(10, 10),
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expect: image.Config{
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Width: 10,
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Height: 10,
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ColorModel: color.NRGBAModel,
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},
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},
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{
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path: "a.png",
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input: blankImage(10, 10),
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expect: image.Config{
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Width: 10,
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Height: 10,
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ColorModel: color.NRGBAModel,
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},
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},
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{
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path: "b.png",
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input: blankImage(20, 15),
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expect: image.Config{
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Width: 20,
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Height: 15,
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ColorModel: color.NRGBAModel,
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},
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},
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{
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path: "a.png",
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input: blankImage(20, 15),
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expect: image.Config{
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Width: 10,
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Height: 10,
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ColorModel: color.NRGBAModel,
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},
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},
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// errors
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{path: tstNoStringer{}, expect: false},
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{path: "non-existent.png", expect: false},
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{path: "", expect: false},
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}
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func TestNSConfig(t *testing.T) {
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t.Parallel()
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v := viper.New()
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v.Set("workingDir", "/a/b")
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ns := New(&deps.Deps{Fs: hugofs.NewMem(v)})
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for i, test := range configTests {
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errMsg := fmt.Sprintf("[%d] %s", i, test.path)
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// check for expected errors early to avoid writing files
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if b, ok := test.expect.(bool); ok && !b {
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_, err := ns.Config(interface{}(test.path))
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require.Error(t, err, errMsg)
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continue
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}
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// cast path to string for afero.WriteFile
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sp, err := cast.ToStringE(test.path)
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require.NoError(t, err, errMsg)
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afero.WriteFile(ns.deps.Fs.Source, filepath.Join(v.GetString("workingDir"), sp), test.input, 0755)
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result, err := ns.Config(test.path)
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require.NoError(t, err, errMsg)
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assert.Equal(t, test.expect, result, errMsg)
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assert.NotEqual(t, 0, len(ns.cache), errMsg)
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}
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}
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func blankImage(width, height int) []byte {
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var buf bytes.Buffer
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img := image.NewRGBA(image.Rect(0, 0, width, height))
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if err := png.Encode(&buf, img); err != nil {
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panic(err)
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}
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return buf.Bytes()
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}
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