ref: 76d38d5e5322fc6220fb9e74f9ca0668606ebb5d
dir: /resource/image_test.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"
"testing"
"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 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{}{
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())
}