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package resources_test
import (
"image"
"io"
"os"
"path/filepath"
"runtime"
"strings"
"testing"
"github.com/gohugoio/hugo/config"
"github.com/gohugoio/hugo/config/testconfig"
"github.com/gohugoio/hugo/deps"
"github.com/gohugoio/hugo/resources"
qt "github.com/frankban/quicktest"
"github.com/gohugoio/hugo/helpers"
"github.com/gohugoio/hugo/hugofs"
"github.com/gohugoio/hugo/resources/images"
"github.com/gohugoio/hugo/resources/page"
"github.com/gohugoio/hugo/resources/resource"
"github.com/spf13/afero"
)
type specDescriptor struct {
baseURL string
c *qt.C
fs afero.Fs
}
func newTestResourceSpec(desc specDescriptor) *resources.Spec {
baseURL := desc.baseURL
if baseURL == "" {
baseURL = "https://example.com/"
}
afs := desc.fs
if afs == nil {
afs = afero.NewMemMapFs()
}
if hugofs.IsOsFs(afs) {
panic("osFs not supported for this test")
}
if err := afs.MkdirAll("assets", 0755); err != nil {
panic(err)
}
cfg := config.New()
cfg.Set("baseURL", baseURL)
cfg.Set("publishDir", "public")
imagingCfg := map[string]any{
"resampleFilter": "linear",
"quality": 68,
"anchor": "left",
}
cfg.Set("imaging", imagingCfg)
d := testconfig.GetTestDeps(
afs, cfg,
func(d *deps.Deps) { d.Fs.PublishDir = hugofs.NewCreateCountingFs(d.Fs.PublishDir) },
)
return d.ResourceSpec
}
func newTargetPaths(link string) func() page.TargetPaths {
return func() page.TargetPaths {
return page.TargetPaths{
SubResourceBaseTarget: filepath.FromSlash(link),
SubResourceBaseLink: link,
}
}
}
func newTestResourceOsFs(c *qt.C) (*resources.Spec, string) {
cfg := config.New()
cfg.Set("baseURL", "https://example.com")
workDir, err := os.MkdirTemp("", "hugores")
c.Assert(err, qt.IsNil)
c.Assert(workDir, qt.Not(qt.Equals), "")
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
}
cfg.Set("workingDir", workDir)
os.MkdirAll(filepath.Join(workDir, "assets"), 0755)
d := testconfig.GetTestDeps(hugofs.Os, cfg)
return d.ResourceSpec, workDir
}
func fetchSunset(c *qt.C) (*resources.Spec, images.ImageResource) {
return fetchImage(c, "sunset.jpg")
}
func fetchImage(c *qt.C, name string) (*resources.Spec, images.ImageResource) {
spec := newTestResourceSpec(specDescriptor{c: c})
return spec, fetchImageForSpec(spec, c, name)
}
func fetchImageForSpec(spec *resources.Spec, c *qt.C, name string) images.ImageResource {
r := fetchResourceForSpec(spec, c, name)
img := r.(images.ImageResource)
c.Assert(img, qt.Not(qt.IsNil))
return img
}
func fetchResourceForSpec(spec *resources.Spec, c *qt.C, name string, targetPathAddends ...string) resource.ContentResource {
src, err := os.Open(filepath.FromSlash("testdata/" + name))
c.Assert(err, qt.IsNil)
if len(targetPathAddends) > 0 {
addends := strings.Join(targetPathAddends, "_")
name = addends + "_" + name
}
out, err := helpers.OpenFileForWriting(spec.Fs.WorkingDirWritable, filepath.Join(filepath.Join("assets", name)))
c.Assert(err, qt.IsNil)
_, err = io.Copy(out, src)
out.Close()
src.Close()
c.Assert(err, qt.IsNil)
factory := newTargetPaths("/a")
r, err := spec.New(resources.ResourceSourceDescriptor{Fs: spec.BaseFs.Assets.Fs, TargetPaths: factory, LazyPublish: true, RelTargetFilename: name, SourceFilename: name})
c.Assert(err, qt.IsNil)
c.Assert(r, qt.Not(qt.IsNil))
return r.(resource.ContentResource)
}
func assertImageFile(c *qt.C, fs afero.Fs, filename string, width, height int) {
filename = filepath.Clean(filename)
f, err := fs.Open(filename)
c.Assert(err, qt.IsNil)
defer f.Close()
config, _, err := image.DecodeConfig(f)
c.Assert(err, qt.IsNil)
c.Assert(config.Width, qt.Equals, width)
c.Assert(config.Height, qt.Equals, height)
}
func assertFileCache(c *qt.C, fs afero.Fs, filename string, width, height int) {
assertImageFile(c, fs, filepath.Clean(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)
}
}
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