1 files changed, 251 insertions, 0 deletions
diff --git a/hugolib/image_test.go b/hugolib/image_test.go
new file mode 100644
index 000000000..84d43f5e9
--- /dev/null
+++ b/hugolib/image_test.go
@@ -0,0 +1,251 @@
+// Copyright 2019 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 hugolib
+
+import (
+	"io"
+	"os"
+	"path/filepath"
+	"runtime"
+	"strings"
+	"testing"
+
+	"github.com/gohugoio/hugo/htesting"
+
+	qt "github.com/frankban/quicktest"
+	"github.com/gohugoio/hugo/hugofs"
+	"github.com/spf13/viper"
+)
+
+// We have many tests for the different resize operations etc. in the resource package,
+// this is an integration test.
+func TestImageOps(t *testing.T) {
+	c := qt.New(t)
+	// Make this a real as possible.
+	workDir, clean, err := htesting.CreateTempDir(hugofs.Os, "image-resize")
+	c.Assert(err, qt.IsNil)
+	defer clean()
+
+	newBuilder := func(timeout interface{}) *sitesBuilder {
+
+		v := viper.New()
+		v.Set("workingDir", workDir)
+		v.Set("baseURL", "https://example.org")
+		v.Set("timeout", timeout)
+
+		b := newTestSitesBuilder(t).WithWorkingDir(workDir)
+		b.Fs = hugofs.NewDefault(v)
+		b.WithViper(v)
+		b.WithContent("mybundle/index.md", `
+---
+title: "My bundle"
+---
+
+{{< imgproc >}}
+
+`)
+
+		b.WithTemplatesAdded(
+			"shortcodes/imgproc.html", `
+{{ $img := resources.Get "images/sunset.jpg" }}
+{{ $r := $img.Resize "129x239" }}
+IMG SHORTCODE: {{ $r.RelPermalink }}/{{ $r.Width }}
+`,
+			"index.html", `
+{{ $p := .Site.GetPage "mybundle" }}
+{{ $img1 := resources.Get "images/sunset.jpg" }}
+{{ $img2 := $p.Resources.GetMatch "sunset.jpg" }}
+{{ $img3 := resources.GetMatch "images/*.jpg" }}
+{{ $r := $img1.Resize "123x234" }}
+{{ $r2 := $r.Resize "12x23" }}
+{{ $b := $img2.Resize "345x678" }}
+{{ $b2 := $b.Resize "34x67" }}
+{{ $c := $img3.Resize "456x789" }}
+{{ $fingerprinted := $img1.Resize "350x" | fingerprint }}
+
+{{ $images := slice $r $r2 $b $b2 $c $fingerprinted }}
+
+{{ range $i, $r := $images }}
+{{ printf "Resized%d:" (add $i  1) }} {{ $r.Name }}|{{ $r.Width }}|{{ $r.Height }}|{{ $r.MediaType }}|{{ $r.RelPermalink }}|
+{{ end }}
+
+{{ $blurryGrayscale1 := $r | images.Filter images.Grayscale (images.GaussianBlur 8) }}
+BG1: {{ $blurryGrayscale1.RelPermalink }}/{{ $blurryGrayscale1.Width }}
+{{ $blurryGrayscale2 := $r.Filter images.Grayscale (images.GaussianBlur 8) }}
+BG2: {{ $blurryGrayscale2.RelPermalink }}/{{ $blurryGrayscale2.Width }}
+{{ $blurryGrayscale2_2 := $r.Filter images.Grayscale (images.GaussianBlur 8) }}
+BG2_2: {{ $blurryGrayscale2_2.RelPermalink }}/{{ $blurryGrayscale2_2.Width }}
+
+{{ $filters := slice images.Grayscale (images.GaussianBlur 9) }}
+{{ $blurryGrayscale3 := $r | images.Filter $filters }}
+BG3: {{ $blurryGrayscale3.RelPermalink }}/{{ $blurryGrayscale3.Width }}
+
+{{ $blurryGrayscale4 := $r.Filter $filters }}
+BG4: {{ $blurryGrayscale4.RelPermalink }}/{{ $blurryGrayscale4.Width }}
+
+{{ $p.Content }}
+
+`)
+
+		return b
+	}
+
+	imageDir := filepath.Join(workDir, "assets", "images")
+	bundleDir := filepath.Join(workDir, "content", "mybundle")
+
+	c.Assert(os.MkdirAll(imageDir, 0777), qt.IsNil)
+	c.Assert(os.MkdirAll(bundleDir, 0777), qt.IsNil)
+	src, err := os.Open("testdata/sunset.jpg")
+	c.Assert(err, qt.IsNil)
+	out, err := os.Create(filepath.Join(imageDir, "sunset.jpg"))
+	c.Assert(err, qt.IsNil)
+	_, err = io.Copy(out, src)
+	c.Assert(err, qt.IsNil)
+	out.Close()
+
+	src.Seek(0, 0)
+
+	out, err = os.Create(filepath.Join(bundleDir, "sunset.jpg"))
+	c.Assert(err, qt.IsNil)
+	_, err = io.Copy(out, src)
+	c.Assert(err, qt.IsNil)
+	out.Close()
+	src.Close()
+
+	// First build it with a very short timeout to trigger errors.
+	b := newBuilder("10ns")
+
+	imgExpect := `
+Resized1: images/sunset.jpg|123|234|image/jpeg|/images/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_123x234_resize_q75_box.jpg|
+Resized2: images/sunset.jpg|12|23|image/jpeg|/images/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_ada4bb1a57f77a63306e3bd67286248e.jpg|
+Resized3: sunset.jpg|345|678|image/jpeg|/mybundle/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_345x678_resize_q75_box.jpg|
+Resized4: sunset.jpg|34|67|image/jpeg|/mybundle/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_44d8c928664d7c5a67377c6ec58425ce.jpg|
+Resized5: images/sunset.jpg|456|789|image/jpeg|/images/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_456x789_resize_q75_box.jpg|
+Resized6: images/sunset.jpg|350|219|image/jpeg|/images/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_350x0_resize_q75_box.a86fe88d894e5db613f6aa8a80538fefc25b20fa24ba0d782c057adcef616f56.jpg|
+BG1: /images/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_2ae8bb993431ec1aec40fe59927b46b4.jpg/123
+BG2: /images/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_2ae8bb993431ec1aec40fe59927b46b4.jpg/123
+BG3: /images/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_ed7740a90b82802261c2fbdb98bc8082.jpg/123
+BG4: /images/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_ed7740a90b82802261c2fbdb98bc8082.jpg/123
+IMG SHORTCODE: /images/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_129x239_resize_q75_box.jpg/129
+`
+
+	assertImages := func() {
+		b.Helper()
+		b.AssertFileContent(filepath.Join(workDir, "public/index.html"), imgExpect)
+		b.AssertImage(350, 219, "public/images/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_350x0_resize_q75_box.a86fe88d894e5db613f6aa8a80538fefc25b20fa24ba0d782c057adcef616f56.jpg")
+		b.AssertImage(129, 239, "public/images/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_129x239_resize_q75_box.jpg")
+	}
+
+	err = b.BuildE(BuildCfg{})
+	if runtime.GOOS != "windows" && !strings.Contains(runtime.GOARCH, "arm") {
+		// TODO(bep)
+		c.Assert(err, qt.Not(qt.IsNil))
+	}
+
+	b = newBuilder(29000)
+	b.Build(BuildCfg{})
+
+	assertImages()
+
+	// Truncate one image.
+	imgInCache := filepath.Join(workDir, "resources/_gen/images/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_ed7740a90b82802261c2fbdb98bc8082.jpg")
+	f, err := os.Create(imgInCache)
+	c.Assert(err, qt.IsNil)
+	f.Close()
+
+	// Build it again to make sure we read images from file cache.
+	b = newBuilder("30s")
+	b.Build(BuildCfg{})
+
+	assertImages()
+
+}
+
+func TestImageResizeMultilingual(t *testing.T) {
+
+	b := newTestSitesBuilder(t).WithConfigFile("toml", `
+baseURL="https://example.org"
+defaultContentLanguage = "en"
+
+[languages]
+[languages.en]
+title = "Title in English"
+languageName = "English"
+weight = 1
+[languages.nn]
+languageName = "Nynorsk"
+weight = 2
+title = "Tittel på nynorsk"
+[languages.nb]
+languageName = "Bokmål"
+weight = 3
+title = "Tittel på bokmål"
+[languages.fr]
+languageName = "French"
+weight = 4
+title = "French Title"
+
+`)
+
+	pageContent := `---
+title: "Page"
+---
+`
+
+	b.WithContent("bundle/index.md", pageContent)
+	b.WithContent("bundle/index.nn.md", pageContent)
+	b.WithContent("bundle/index.fr.md", pageContent)
+	b.WithSunset("content/bundle/sunset.jpg")
+	b.WithSunset("assets/images/sunset.jpg")
+	b.WithTemplates("index.html", `
+{{ with (.Site.GetPage "bundle" ) }}
+{{ $sunset := .Resources.GetMatch "sunset*" }}
+{{ if $sunset }}
+{{ $resized := $sunset.Resize "200x200" }}
+SUNSET FOR: {{ $.Site.Language.Lang }}: {{ $resized.RelPermalink }}/{{ $resized.Width }}/Lat: {{ $resized.Exif.Lat }}
+{{ end }}
+{{ else }}
+No bundle for {{ $.Site.Language.Lang }}
+{{ end }}
+
+{{ $sunset2 := resources.Get "images/sunset.jpg" }}
+{{ $resized2 := $sunset2.Resize "123x234" }}
+SUNSET2: {{ $resized2.RelPermalink }}/{{ $resized2.Width }}/Lat: {{ $resized2.Exif.Lat }}
+
+
+`)
+
+	b.Build(BuildCfg{})
+
+	b.AssertFileContent("public/index.html", "SUNSET FOR: en: /bundle/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_200x200_resize_q75_box.jpg/200/Lat: 36.59744166666667")
+	b.AssertFileContent("public/fr/index.html", "SUNSET FOR: fr: /fr/bundle/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_200x200_resize_q75_box.jpg/200/Lat: 36.59744166666667")
+	b.AssertFileContent("public/index.html", " SUNSET2: /images/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_123x234_resize_q75_box.jpg/123/Lat: 36.59744166666667")
+	b.AssertFileContent("public/nn/index.html", " SUNSET2: /images/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_123x234_resize_q75_box.jpg/123/Lat: 36.59744166666667")
+
+	b.AssertImage(200, 200, "public/fr/bundle/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_200x200_resize_q75_box.jpg")
+	b.AssertImage(200, 200, "public/bundle/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_200x200_resize_q75_box.jpg")
+
+	// Check the file cache
+	b.AssertImage(200, 200, "resources/_gen/images/bundle/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_200x200_resize_q75_box.jpg")
+
+	b.AssertFileContent("resources/_gen/images/bundle/sunset_7645215769587362592.json",
+		"DateTimeDigitized|time.Time", "PENTAX")
+	b.AssertImage(123, 234, "resources/_gen/images/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_123x234_resize_q75_box.jpg")
+	b.AssertFileContent("resources/_gen/images/sunset_7645215769587362592.json",
+		"DateTimeDigitized|time.Time", "PENTAX")
+
+	// TODO(bep) add this as a default assertion after Build()?
+	b.AssertNoDuplicateWrites()
+
+}