Add some fingerprint tests - hugo - [fork] hugo port for 9front
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       ---
 (DIR) commit 45d7988f2d0aa95d1a56f4c66342574075cf2963
 (DIR) parent ce47c21a2998630f8edcbd056983d9c59a80b676
 (HTM) Author: Bjørn Erik Pedersen <bjorn.erik.pedersen@gmail.com>
       Date:   Mon,  2 Sep 2019 17:09:56 +0200
       
       Add some fingerprint tests
       
       Closes #6284
       Closes #6280
       
       Diffstat:
         M hugolib/image_test.go               |      33 ++++++++++++++++++++++---------
         M hugolib/resource_chain_test.go      |      12 +++++++++++-
       
       2 files changed, 35 insertions(+), 10 deletions(-)
       ---
 (DIR) diff --git a/hugolib/image_test.go b/hugolib/image_test.go
       @@ -14,6 +14,7 @@
        package hugolib
        
        import (
       +        "image/jpeg"
                "io"
                "os"
                "path/filepath"
       @@ -61,8 +62,9 @@ title: "My bundle"
        {{ $b := $img2.Resize "345x678" }}
        {{ $b2 := $b.Resize "34x67" }}
        {{ $c := $img3.Resize "456x789" }}
       +{{ $fingerprinted := $img1.Resize "350x" | fingerprint }}
        
       -{{ $images := slice $r $r2 $b $b2 $c }}
       +{{ $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 }}|
       @@ -98,20 +100,33 @@ title: "My bundle"
                b := newBuilder()
                b.Build(BuildCfg{})
        
       -        imgExpect := []string{
       -                "Resized1: images/sunset.jpg|123|234|image/jpg|/images/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_123x234_resize_q75_box.jpg|",
       -                "Resized2: images/sunset.jpg|12|23|image/jpg|/images/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_ada4bb1a57f77a63306e3bd67286248e.jpg|",
       -                "Resized3: sunset.jpg|345|678|image/jpg|/mybundle/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_345x678_resize_q75_box.jpg|",
       -                "Resized4: sunset.jpg|34|67|image/jpg|/mybundle/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_44d8c928664d7c5a67377c6ec58425ce.jpg|",
       -                " Resized5: images/sunset.jpg|456|789|image/jpg|/images/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_456x789_resize_q75_box.jpg|",
       +        assertImage := func(width, height int, filename string) {
       +                filename = filepath.Join(workDir, "public", filename)
       +                f, err := b.Fs.Destination.Open(filename)
       +                c.Assert(err, qt.IsNil)
       +                defer f.Close()
       +                cfg, err := jpeg.DecodeConfig(f)
       +                c.Assert(cfg.Width, qt.Equals, width)
       +                c.Assert(cfg.Height, qt.Equals, height)
                }
        
       -        b.AssertFileContent(filepath.Join(workDir, "public/index.html"), imgExpect...)
       +        imgExpect := `
       +Resized1: images/sunset.jpg|123|234|image/jpg|/images/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_123x234_resize_q75_box.jpg|
       +Resized2: images/sunset.jpg|12|23|image/jpg|/images/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_ada4bb1a57f77a63306e3bd67286248e.jpg|
       +Resized3: sunset.jpg|345|678|image/jpg|/mybundle/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_345x678_resize_q75_box.jpg|
       +Resized4: sunset.jpg|34|67|image/jpg|/mybundle/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_44d8c928664d7c5a67377c6ec58425ce.jpg|
       +Resized5: images/sunset.jpg|456|789|image/jpg|/images/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_456x789_resize_q75_box.jpg|
       +Resized6: images/sunset.jpg|350|219|image/jpg|/images/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_350x0_resize_q75_box.a86fe88d894e5db613f6aa8a80538fefc25b20fa24ba0d782c057adcef616f56.jpg|
       +
       +`
       +
       +        b.AssertFileContent(filepath.Join(workDir, "public/index.html"), imgExpect)
       +        assertImage(350, 219, "images/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_350x0_resize_q75_box.a86fe88d894e5db613f6aa8a80538fefc25b20fa24ba0d782c057adcef616f56.jpg")
        
                // Build it again to make sure we read images from file cache.
                b = newBuilder()
                b.Build(BuildCfg{})
        
       -        b.AssertFileContent(filepath.Join(workDir, "public/index.html"), imgExpect...)
       +        b.AssertFileContent(filepath.Join(workDir, "public/index.html"), imgExpect)
        
        }
 (DIR) diff --git a/hugolib/resource_chain_test.go b/hugolib/resource_chain_test.go
       @@ -174,6 +174,9 @@ func TestResourceChainBasic(t *testing.T) {
                b := newTestSitesBuilder(t)
                b.WithTemplatesAdded("index.html", `
        {{ $hello := "<h1>     Hello World!   </h1>" | resources.FromString "hello.html" | fingerprint "sha512" | minify  | fingerprint }}
       +{{ $cssFingerprinted1 := "body {  background-color: lightblue; }" | resources.FromString "styles.css" |  minify  | fingerprint }}
       +{{ $cssFingerprinted2 := "body {  background-color: orange; }" | resources.FromString "styles2.css" |  minify  | fingerprint }}
       +
        
        HELLO: {{ $hello.Name }}|{{ $hello.RelPermalink }}|{{ $hello.Content | safeHTML }}
        
       @@ -183,6 +186,9 @@ HELLO: {{ $hello.Name }}|{{ $hello.RelPermalink }}|{{ $hello.Content | safeHTML 
        {{ $img = $img | fingerprint }}
        SUNSET: {{ $img.Name }}|{{ $img.RelPermalink }}|{{ $img.Width }}|{{ len $img.Content }}
        FIT: {{ $fit.Name }}|{{ $fit.RelPermalink }}|{{ $fit.Width }}
       +CSS integrity Data first: {{ $cssFingerprinted1.Data.Integrity }} {{ $cssFingerprinted1.RelPermalink }}
       +CSS integrity Data last:  {{ $cssFingerprinted2.RelPermalink }} {{ $cssFingerprinted2.Data.Integrity }}
       +
        `)
        
                fs := b.Fs.Source
       @@ -207,9 +213,13 @@ FIT: {{ $fit.Name }}|{{ $fit.RelPermalink }}|{{ $fit.Width }}
                                `
        SUNSET: images/sunset.jpg|/images/sunset.a9bf1d944e19c0f382e0d8f51de690f7d0bc8fa97390c4242a86c3e5c0737e71.jpg|900|90587
        FIT: images/sunset.jpg|/images/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_200x200_fit_q75_box.jpg|200
       -
       +CSS integrity Data first: sha256-od9YaHw8nMOL8mUy97Sy8sKwMV3N4hI3aVmZXATxH&#43;8= /styles.min.a1df58687c3c9cc38bf26532f7b4b2f2c2b0315dcde212376959995c04f11fef.css
       +CSS integrity Data last:  /styles2.min.1cfc52986836405d37f9998a63fd6dd8608e8c410e5e3db1daaa30f78bc273ba.css sha256-HPxSmGg2QF03&#43;ZmKY/1t2GCOjEEOXj2x2qow94vCc7o=
        `)
        
       +                b.AssertFileContent("public/styles.min.a1df58687c3c9cc38bf26532f7b4b2f2c2b0315dcde212376959995c04f11fef.css", "body{background-color:#add8e6}")
       +                b.AssertFileContent("public//styles2.min.1cfc52986836405d37f9998a63fd6dd8608e8c410e5e3db1daaa30f78bc273ba.css", "body{background-color:orange}")
       +
                        b.EditFiles("page1.md", `
        ---
        title: "Page 1 edit"