ref: 7a634898c359a6af0da52be17df07cae97c7937c
dir: /resource/testhelpers_test.go/
package resource
import (
"path/filepath"
"testing"
"image"
"io"
"io/ioutil"
"os"
"path"
"runtime"
"strings"
"github.com/gohugoio/hugo/helpers"
"github.com/gohugoio/hugo/hugofs"
"github.com/gohugoio/hugo/media"
"github.com/spf13/afero"
"github.com/spf13/viper"
"github.com/stretchr/testify/require"
)
func newTestResourceSpec(assert *require.Assertions) *Spec {
return newTestResourceSpecForBaseURL(assert, "https://example.com/")
}
func newTestResourceSpecForBaseURL(assert *require.Assertions, baseURL string) *Spec {
cfg := viper.New()
cfg.Set("baseURL", baseURL)
cfg.Set("resourceDir", "/res")
imagingCfg := map[string]interface{}{
"resampleFilter": "linear",
"quality": 68,
"anchor": "left",
}
cfg.Set("imaging", imagingCfg)
fs := hugofs.NewMem(cfg)
s, err := helpers.NewPathSpec(fs, cfg)
assert.NoError(err)
spec, err := NewSpec(s, media.DefaultTypes)
assert.NoError(err)
return spec
}
func newTestResourceOsFs(assert *require.Assertions) *Spec {
cfg := viper.New()
cfg.Set("baseURL", "https://example.com")
workDir, err := ioutil.TempDir("", "hugores")
if runtime.GOOS == "darwin" && !strings.HasPrefix(workDir, "/private") {
// To get the entry folder in line with the rest. This its a little bit
// mysterious, but so be it.
workDir = "/private" + workDir
}
contentDir := "base"
cfg.Set("workingDir", workDir)
cfg.Set("contentDir", contentDir)
cfg.Set("resourceDir", filepath.Join(workDir, "res"))
fs := hugofs.NewFrom(hugofs.Os, cfg)
fs.Destination = &afero.MemMapFs{}
s, err := helpers.NewPathSpec(fs, cfg)
assert.NoError(err)
spec, err := NewSpec(s, media.DefaultTypes)
assert.NoError(err)
return spec
}
func fetchSunset(assert *require.Assertions) *Image {
return fetchImage(assert, "sunset.jpg")
}
func fetchImage(assert *require.Assertions, name string) *Image {
spec := newTestResourceSpec(assert)
return fetchImageForSpec(spec, assert, name)
}
func fetchImageForSpec(spec *Spec, assert *require.Assertions, name string) *Image {
r := fetchResourceForSpec(spec, assert, name)
assert.IsType(&Image{}, r)
return r.(*Image)
}
func fetchResourceForSpec(spec *Spec, assert *require.Assertions, name string) Resource {
src, err := os.Open(filepath.FromSlash("testdata/" + name))
assert.NoError(err)
workingDir := spec.Cfg.GetString("workingDir")
f := filepath.Join(workingDir, name)
out, err := spec.Fs.Source.Create(f)
assert.NoError(err)
_, err = io.Copy(out, src)
out.Close()
src.Close()
assert.NoError(err)
factory := func(s string) string {
return path.Join("/a", s)
}
r, err := spec.NewResourceFromFilename(factory, "/public", f, name)
assert.NoError(err)
return r
}
func assertImageFile(assert *require.Assertions, fs *hugofs.Fs, filename string, width, height int) {
f, err := fs.Source.Open(filename)
assert.NoError(err)
defer f.Close()
config, _, err := image.DecodeConfig(f)
assert.NoError(err)
assert.Equal(width, config.Width)
assert.Equal(height, config.Height)
}
func assertFileCache(assert *require.Assertions, fs *hugofs.Fs, filename string, width, height int) {
assertImageFile(assert, fs, filepath.Join("/res/_gen/images", filename), width, height)
}
func writeSource(t testing.TB, fs *hugofs.Fs, filename, content string) {
writeToFs(t, fs.Source, filename, content)
}
func writeToFs(t testing.TB, fs afero.Fs, filename, content string) {
if err := afero.WriteFile(fs, filepath.FromSlash(filename), []byte(content), 0755); err != nil {
t.Fatalf("Failed to write file: %s", err)
}
}