mirror of
				https://github.com/gohugoio/hugo.git
				synced 2024-05-11 05:54:58 +00:00 
			
		
		
		
	
		
			
				
	
	
		
			340 lines
		
	
	
		
			9.6 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			340 lines
		
	
	
		
			9.6 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
// Copyright 2017-present The Hugo Authors. All rights reserved.
 | 
						|
//
 | 
						|
// Licensed under the Apache License, Version 2.0 (the "License");
 | 
						|
// you may not use this file except in compliance with the License.
 | 
						|
// You may obtain a copy of the License at
 | 
						|
// http://www.apache.org/licenses/LICENSE-2.0
 | 
						|
//
 | 
						|
// Unless required by applicable law or agreed to in writing, software
 | 
						|
// distributed under the License is distributed on an "AS IS" BASIS,
 | 
						|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 | 
						|
// See the License for the specific language governing permissions and
 | 
						|
// limitations under the License.
 | 
						|
 | 
						|
package resource
 | 
						|
 | 
						|
import (
 | 
						|
	"fmt"
 | 
						|
	"math/rand"
 | 
						|
	"path/filepath"
 | 
						|
	"strconv"
 | 
						|
	"testing"
 | 
						|
 | 
						|
	"github.com/disintegration/imaging"
 | 
						|
 | 
						|
	"sync"
 | 
						|
 | 
						|
	"github.com/stretchr/testify/require"
 | 
						|
)
 | 
						|
 | 
						|
func TestParseImageConfig(t *testing.T) {
 | 
						|
	for i, this := range []struct {
 | 
						|
		in     string
 | 
						|
		expect interface{}
 | 
						|
	}{
 | 
						|
		{"300x400", newImageConfig(300, 400, 0, 0, "", "")},
 | 
						|
		{"100x200 bottomRight", newImageConfig(100, 200, 0, 0, "", "BottomRight")},
 | 
						|
		{"10x20 topleft Lanczos", newImageConfig(10, 20, 0, 0, "Lanczos", "topleft")},
 | 
						|
		{"linear left 10x r180", newImageConfig(10, 0, 0, 180, "linear", "left")},
 | 
						|
		{"x20 riGht Cosine q95", newImageConfig(0, 20, 95, 0, "cosine", "right")},
 | 
						|
 | 
						|
		{"", false},
 | 
						|
		{"foo", false},
 | 
						|
	} {
 | 
						|
		result, err := parseImageConfig(this.in)
 | 
						|
		if b, ok := this.expect.(bool); ok && !b {
 | 
						|
			if err == nil {
 | 
						|
				t.Errorf("[%d] parseImageConfig didn't return an expected error", i)
 | 
						|
			}
 | 
						|
		} else {
 | 
						|
			if err != nil {
 | 
						|
				t.Fatalf("[%d] err: %s", i, err)
 | 
						|
			}
 | 
						|
			if fmt.Sprint(result) != fmt.Sprint(this.expect) {
 | 
						|
				t.Fatalf("[%d] got\n%v\n but expected\n%v", i, result, this.expect)
 | 
						|
			}
 | 
						|
		}
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
func TestImageTransform(t *testing.T) {
 | 
						|
 | 
						|
	assert := require.New(t)
 | 
						|
 | 
						|
	image := fetchSunset(assert)
 | 
						|
 | 
						|
	assert.Equal("/a/sunset.jpg", image.RelPermalink())
 | 
						|
	assert.Equal("image", image.ResourceType())
 | 
						|
 | 
						|
	resized, err := image.Resize("300x200")
 | 
						|
	assert.NoError(err)
 | 
						|
	assert.True(image != resized)
 | 
						|
	assert.True(image.genericResource != resized.genericResource)
 | 
						|
 | 
						|
	resized0x, err := image.Resize("x200")
 | 
						|
	assert.NoError(err)
 | 
						|
	assert.Equal(320, resized0x.Width())
 | 
						|
	assert.Equal(200, resized0x.Height())
 | 
						|
	assertFileCache(assert, image.spec.Fs, resized0x.RelPermalink(), 320, 200)
 | 
						|
 | 
						|
	resizedx0, err := image.Resize("200x")
 | 
						|
	assert.NoError(err)
 | 
						|
	assert.Equal(200, resizedx0.Width())
 | 
						|
	assert.Equal(125, resizedx0.Height())
 | 
						|
	assertFileCache(assert, image.spec.Fs, resizedx0.RelPermalink(), 200, 125)
 | 
						|
 | 
						|
	resizedAndRotated, err := image.Resize("x200 r90")
 | 
						|
	assert.NoError(err)
 | 
						|
	assert.Equal(125, resizedAndRotated.Width())
 | 
						|
	assert.Equal(200, resizedAndRotated.Height())
 | 
						|
	assertFileCache(assert, image.spec.Fs, resizedAndRotated.RelPermalink(), 125, 200)
 | 
						|
 | 
						|
	assert.Equal("/a/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_300x200_resize_q68_linear.jpg", resized.RelPermalink())
 | 
						|
	assert.Equal(300, resized.Width())
 | 
						|
	assert.Equal(200, resized.Height())
 | 
						|
 | 
						|
	fitted, err := resized.Fit("50x50")
 | 
						|
	assert.NoError(err)
 | 
						|
	assert.Equal("/a/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_625708021e2bb281c9f1002f88e4753f.jpg", fitted.RelPermalink())
 | 
						|
	assert.Equal(50, fitted.Width())
 | 
						|
	assert.Equal(31, fitted.Height())
 | 
						|
 | 
						|
	// Check the MD5 key threshold
 | 
						|
	fittedAgain, _ := fitted.Fit("10x20")
 | 
						|
	fittedAgain, err = fittedAgain.Fit("10x20")
 | 
						|
	assert.NoError(err)
 | 
						|
	assert.Equal("/a/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_3f65ba24dc2b7fba0f56d7f104519157.jpg", fittedAgain.RelPermalink())
 | 
						|
	assert.Equal(10, fittedAgain.Width())
 | 
						|
	assert.Equal(6, fittedAgain.Height())
 | 
						|
 | 
						|
	filled, err := image.Fill("200x100 bottomLeft")
 | 
						|
	assert.NoError(err)
 | 
						|
	assert.Equal("/a/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_200x100_fill_q68_linear_bottomleft.jpg", filled.RelPermalink())
 | 
						|
	assert.Equal(200, filled.Width())
 | 
						|
	assert.Equal(100, filled.Height())
 | 
						|
	assertFileCache(assert, image.spec.Fs, filled.RelPermalink(), 200, 100)
 | 
						|
 | 
						|
	smart, err := image.Fill("200x100 smart")
 | 
						|
	assert.NoError(err)
 | 
						|
	assert.Equal(fmt.Sprintf("/a/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_200x100_fill_q68_linear_smart%d.jpg", smartCropVersionNumber), smart.RelPermalink())
 | 
						|
	assert.Equal(200, smart.Width())
 | 
						|
	assert.Equal(100, smart.Height())
 | 
						|
	assertFileCache(assert, image.spec.Fs, smart.RelPermalink(), 200, 100)
 | 
						|
 | 
						|
	// Check cache
 | 
						|
	filledAgain, err := image.Fill("200x100 bottomLeft")
 | 
						|
	assert.NoError(err)
 | 
						|
	assert.True(filled == filledAgain)
 | 
						|
	assertFileCache(assert, image.spec.Fs, filledAgain.RelPermalink(), 200, 100)
 | 
						|
 | 
						|
}
 | 
						|
 | 
						|
// https://github.com/gohugoio/hugo/issues/4261
 | 
						|
func TestImageTransformLongFilename(t *testing.T) {
 | 
						|
	assert := require.New(t)
 | 
						|
 | 
						|
	image := fetchImage(assert, "1234567890qwertyuiopasdfghjklzxcvbnm5to6eeeeee7via8eleph.jpg")
 | 
						|
	assert.NotNil(image)
 | 
						|
 | 
						|
	resized, err := image.Resize("200x")
 | 
						|
	assert.NoError(err)
 | 
						|
	assert.NotNil(resized)
 | 
						|
	assert.Equal(200, resized.Width())
 | 
						|
	assert.Equal("/a/_hu59e56ffff1bc1d8d122b1403d34e039f_90587_65b757a6e14debeae720fe8831f0a9bc.jpg", resized.RelPermalink())
 | 
						|
	resized, err = resized.Resize("100x")
 | 
						|
	assert.NoError(err)
 | 
						|
	assert.NotNil(resized)
 | 
						|
	assert.Equal(100, resized.Width())
 | 
						|
	assert.Equal("/a/_hu59e56ffff1bc1d8d122b1403d34e039f_90587_c876768085288f41211f768147ba2647.jpg", resized.RelPermalink())
 | 
						|
}
 | 
						|
 | 
						|
func TestImageTransformConcurrent(t *testing.T) {
 | 
						|
 | 
						|
	var wg sync.WaitGroup
 | 
						|
 | 
						|
	assert := require.New(t)
 | 
						|
 | 
						|
	spec := newTestResourceOsFs(assert)
 | 
						|
 | 
						|
	image := fetchImageForSpec(spec, assert, "sunset.jpg")
 | 
						|
 | 
						|
	for i := 0; i < 4; i++ {
 | 
						|
		wg.Add(1)
 | 
						|
		go func(id int) {
 | 
						|
			defer wg.Done()
 | 
						|
			for j := 0; j < 5; j++ {
 | 
						|
				img := image
 | 
						|
				for k := 0; k < 2; k++ {
 | 
						|
					r1, err := img.Resize(fmt.Sprintf("%dx", id-k))
 | 
						|
					if err != nil {
 | 
						|
						t.Fatal(err)
 | 
						|
					}
 | 
						|
 | 
						|
					if r1.Width() != id-k {
 | 
						|
						t.Fatalf("Width: %d:%d", r1.Width(), j)
 | 
						|
					}
 | 
						|
 | 
						|
					r2, err := r1.Resize(fmt.Sprintf("%dx", id-k-1))
 | 
						|
					if err != nil {
 | 
						|
						t.Fatal(err)
 | 
						|
					}
 | 
						|
 | 
						|
					_, err = r2.decodeSource()
 | 
						|
					if err != nil {
 | 
						|
						t.Fatal("Err decode:", err)
 | 
						|
					}
 | 
						|
 | 
						|
					img = r1
 | 
						|
				}
 | 
						|
			}
 | 
						|
		}(i + 20)
 | 
						|
	}
 | 
						|
 | 
						|
	wg.Wait()
 | 
						|
}
 | 
						|
 | 
						|
func TestDecodeImaging(t *testing.T) {
 | 
						|
	assert := require.New(t)
 | 
						|
	m := map[string]interface{}{
 | 
						|
		"quality":        42,
 | 
						|
		"resampleFilter": "NearestNeighbor",
 | 
						|
		"anchor":         "topLeft",
 | 
						|
	}
 | 
						|
 | 
						|
	imaging, err := decodeImaging(m)
 | 
						|
 | 
						|
	assert.NoError(err)
 | 
						|
	assert.Equal(42, imaging.Quality)
 | 
						|
	assert.Equal("nearestneighbor", imaging.ResampleFilter)
 | 
						|
	assert.Equal("topleft", imaging.Anchor)
 | 
						|
 | 
						|
	m = map[string]interface{}{}
 | 
						|
 | 
						|
	imaging, err = decodeImaging(m)
 | 
						|
	assert.NoError(err)
 | 
						|
	assert.Equal(defaultJPEGQuality, imaging.Quality)
 | 
						|
	assert.Equal("box", imaging.ResampleFilter)
 | 
						|
	assert.Equal("smart", imaging.Anchor)
 | 
						|
 | 
						|
	_, err = decodeImaging(map[string]interface{}{
 | 
						|
		"quality": 123,
 | 
						|
	})
 | 
						|
	assert.Error(err)
 | 
						|
 | 
						|
	_, err = decodeImaging(map[string]interface{}{
 | 
						|
		"resampleFilter": "asdf",
 | 
						|
	})
 | 
						|
	assert.Error(err)
 | 
						|
 | 
						|
	_, err = decodeImaging(map[string]interface{}{
 | 
						|
		"anchor": "asdf",
 | 
						|
	})
 | 
						|
	assert.Error(err)
 | 
						|
 | 
						|
	imaging, err = decodeImaging(map[string]interface{}{
 | 
						|
		"anchor": "Smart",
 | 
						|
	})
 | 
						|
	assert.NoError(err)
 | 
						|
	assert.Equal("smart", imaging.Anchor)
 | 
						|
 | 
						|
}
 | 
						|
 | 
						|
func TestImageWithMetadata(t *testing.T) {
 | 
						|
	assert := require.New(t)
 | 
						|
 | 
						|
	image := fetchSunset(assert)
 | 
						|
 | 
						|
	var meta = []map[string]interface{}{
 | 
						|
		{
 | 
						|
			"title": "My Sunset",
 | 
						|
			"name":  "Sunset #:counter",
 | 
						|
			"src":   "*.jpg",
 | 
						|
		},
 | 
						|
	}
 | 
						|
 | 
						|
	assert.NoError(AssignMetadata(meta, image))
 | 
						|
	assert.Equal("Sunset #1", image.Name())
 | 
						|
 | 
						|
	resized, err := image.Resize("200x")
 | 
						|
	assert.NoError(err)
 | 
						|
	assert.Equal("Sunset #1", resized.Name())
 | 
						|
 | 
						|
}
 | 
						|
 | 
						|
func TestImageResize8BitPNG(t *testing.T) {
 | 
						|
 | 
						|
	assert := require.New(t)
 | 
						|
 | 
						|
	image := fetchImage(assert, "gohugoio.png")
 | 
						|
 | 
						|
	assert.Equal(imaging.PNG, image.format)
 | 
						|
	assert.Equal("/a/gohugoio.png", image.RelPermalink())
 | 
						|
	assert.Equal("image", image.ResourceType())
 | 
						|
 | 
						|
	resized, err := image.Resize("800x")
 | 
						|
	assert.NoError(err)
 | 
						|
	assert.Equal(imaging.PNG, resized.format)
 | 
						|
	assert.Equal("/a/gohugoio_hu0e1b9e4a4be4d6f86c7b37b9ccce3fbc_73886_800x0_resize_linear_2.png", resized.RelPermalink())
 | 
						|
	assert.Equal(800, resized.Width())
 | 
						|
 | 
						|
}
 | 
						|
 | 
						|
func TestImageResizeInSubPath(t *testing.T) {
 | 
						|
 | 
						|
	assert := require.New(t)
 | 
						|
 | 
						|
	image := fetchImage(assert, "sub/gohugoio2.png")
 | 
						|
 | 
						|
	assert.Equal(imaging.PNG, image.format)
 | 
						|
	assert.Equal("/a/sub/gohugoio2.png", image.RelPermalink())
 | 
						|
	assert.Equal("image", image.ResourceType())
 | 
						|
 | 
						|
	resized, err := image.Resize("101x101")
 | 
						|
	assert.NoError(err)
 | 
						|
	assert.Equal(imaging.PNG, resized.format)
 | 
						|
	assert.Equal("/a/sub/gohugoio2_hu0e1b9e4a4be4d6f86c7b37b9ccce3fbc_73886_101x101_resize_linear_2.png", resized.RelPermalink())
 | 
						|
	assert.Equal(101, resized.Width())
 | 
						|
 | 
						|
	assertFileCache(assert, image.spec.Fs, resized.RelPermalink(), 101, 101)
 | 
						|
	publishedImageFilename := filepath.Join("/public", resized.RelPermalink())
 | 
						|
	assertImageFile(assert, image.spec.Fs, publishedImageFilename, 101, 101)
 | 
						|
	assert.NoError(image.spec.Fs.Destination.Remove(publishedImageFilename))
 | 
						|
 | 
						|
	// Cleare mem cache to simulate reading from the file cache.
 | 
						|
	resized.spec.imageCache.clear()
 | 
						|
 | 
						|
	resizedAgain, err := image.Resize("101x101")
 | 
						|
	assert.NoError(err)
 | 
						|
	assert.Equal("/a/sub/gohugoio2_hu0e1b9e4a4be4d6f86c7b37b9ccce3fbc_73886_101x101_resize_linear_2.png", resizedAgain.RelPermalink())
 | 
						|
	assert.Equal(101, resizedAgain.Width())
 | 
						|
	assertFileCache(assert, image.spec.Fs, resizedAgain.RelPermalink(), 101, 101)
 | 
						|
	assertImageFile(assert, image.spec.Fs, publishedImageFilename, 101, 101)
 | 
						|
 | 
						|
}
 | 
						|
 | 
						|
func TestSVGImage(t *testing.T) {
 | 
						|
	assert := require.New(t)
 | 
						|
	spec := newTestResourceSpec(assert)
 | 
						|
	svg := fetchResourceForSpec(spec, assert, "circle.svg")
 | 
						|
	assert.NotNil(svg)
 | 
						|
}
 | 
						|
 | 
						|
func BenchmarkResizeParallel(b *testing.B) {
 | 
						|
	assert := require.New(b)
 | 
						|
	img := fetchSunset(assert)
 | 
						|
 | 
						|
	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)
 | 
						|
			}
 | 
						|
		}
 | 
						|
	})
 | 
						|
}
 |