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|
package processor
import (
"os"
"path/filepath"
"runtime"
"testing"
"codeberg.org/snonux/snonux/internal/config"
)
func TestIsSimpleImageRef(t *testing.T) {
t.Parallel()
cases := []struct {
ref string
want bool
}{
{"img.png", true},
{"a.png", true},
{"sub/img.png", false},
{"a/b/c.png", false},
{"../img.png", false},
{"img/../other.png", false},
{"/etc/passwd", false},
}
for _, c := range cases {
t.Run(c.ref, func(t *testing.T) {
t.Parallel()
got := isSimpleImageRef(c.ref)
if got != c.want {
t.Fatalf("isSimpleImageRef(%q) = %v; want %v", c.ref, got, c.want)
}
})
}
}
func TestFindLocalImages(t *testing.T) {
t.Parallel()
t.Run("remote skipped", func(t *testing.T) {
t.Parallel()
dir := t.TempDir()
got := findLocalImages(` `, dir)
if len(got) != 0 {
t.Fatalf("expected no locals, got %v", got)
}
})
t.Run("missing file ignored", func(t *testing.T) {
t.Parallel()
dir := t.TempDir()
got := findLocalImages(``, dir)
if len(got) != 0 {
t.Fatalf("expected no locals, got %v", got)
}
})
t.Run("picks existing basename", func(t *testing.T) {
t.Parallel()
dir := t.TempDir()
if err := os.WriteFile(filepath.Join(dir, "shot.png"), []byte("x"), 0o644); err != nil {
t.Fatal(err)
}
got := findLocalImages(``, dir)
if len(got) != 1 || got[0] != "shot.png" {
t.Fatalf("got %v; want [shot.png]", got)
}
})
t.Run("subdir ref ignored even if file exists", func(t *testing.T) {
t.Parallel()
dir := t.TempDir()
if err := os.MkdirAll(filepath.Join(dir, "sub"), 0o755); err != nil {
t.Fatal(err)
}
if err := os.WriteFile(filepath.Join(dir, "sub", "photo.png"), []byte("x"), 0o644); err != nil {
t.Fatal(err)
}
got := findLocalImages(``, dir)
if len(got) != 0 {
t.Fatalf("expected no locals for subdir ref, got %v", got)
}
})
t.Run("parent traversal ref ignored even if file exists", func(t *testing.T) {
t.Parallel()
// Create a layout where ../photo.png from dir would resolve to a real file.
base := t.TempDir()
dir := filepath.Join(base, "inbox")
if err := os.MkdirAll(dir, 0o755); err != nil {
t.Fatal(err)
}
if err := os.WriteFile(filepath.Join(base, "photo.png"), []byte("x"), 0o644); err != nil {
t.Fatal(err)
}
got := findLocalImages(``, dir)
if len(got) != 0 {
t.Fatalf("expected no locals for traversal ref, got %v", got)
}
})
tests := []struct {
name string
md string
files []string
want []string
wantLen int
}{
{
name: "multiple locals order",
md: ` `,
files: []string{"a.png", "b.png"},
wantLen: 2,
},
{
name: "alt with spaces",
md: ``,
files: []string{"z.gif"},
want: []string{"z.gif"},
wantLen: 1,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
t.Parallel()
dir := t.TempDir()
for _, f := range tt.files {
if err := os.WriteFile(filepath.Join(dir, f), []byte("x"), 0o644); err != nil {
t.Fatal(err)
}
}
got := findLocalImages(tt.md, dir)
if tt.want != nil {
if len(got) != len(tt.want) {
t.Fatalf("got %v; want %v", got, tt.want)
}
for i := range tt.want {
if got[i] != tt.want[i] {
t.Fatalf("got %v; want %v", got, tt.want)
}
}
return
}
if len(got) != tt.wantLen {
t.Fatalf("len(got)=%d; want %d (%v)", len(got), tt.wantLen, got)
}
})
}
}
func TestRun_UnreadableMarkdownPreScanFails(t *testing.T) {
t.Parallel()
if runtime.GOOS == "windows" {
t.Skip("chmod does not reliably deny read for owned files on Windows")
}
base := t.TempDir()
inputDir := filepath.Join(base, "inbox")
outputDir := filepath.Join(base, "out")
if err := os.MkdirAll(inputDir, 0o755); err != nil {
t.Fatal(err)
}
if err := os.MkdirAll(outputDir, 0o755); err != nil {
t.Fatal(err)
}
mdPath := filepath.Join(inputDir, "note.md")
if err := os.WriteFile(mdPath, []byte("# x\n"), 0o644); err != nil {
t.Fatal(err)
}
if err := os.Chmod(mdPath, 0); err != nil {
t.Fatal(err)
}
t.Cleanup(func() { _ = os.Chmod(mdPath, 0o644) })
cfg := &config.Config{InputDir: inputDir, OutputDir: outputDir}
_, err := Run(cfg)
if err == nil {
t.Fatal("Run: expected error when markdown pre-scan cannot read a .md file")
}
}
|
