1 files changed, 119 insertions, 0 deletions
diff --git a/main_test.go b/main_test.go
new file mode 100644
index 0000000..741311c
--- /dev/null
+++ b/main_test.go
@@ -0,0 +1,119 @@
+package main
+
+import (
+	"os"
+	"path/filepath"
+	"runtime"
+	"testing"
+)
+
+func TestLoadVideosDetectsMP4(t *testing.T) {
+	dir := t.TempDir()
+	videoPath := filepath.Join(dir, "video.mp4")
+	if err := os.WriteFile(videoPath, []byte("dummy"), 0o644); err != nil {
+		t.Fatalf("failed to create test video: %v", err)
+	}
+	upperPath := filepath.Join(dir, "UPPER.MP4")
+	if err := os.WriteFile(upperPath, []byte("dummy"), 0o644); err != nil {
+		t.Fatalf("failed to create upper test video: %v", err)
+	}
+
+	vids, pending, err := loadVideos(dir, nil, nil)
+	if err != nil {
+		t.Fatalf("loadVideos returned error: %v", err)
+	}
+	if len(vids) != 2 {
+		t.Fatalf("expected 2 videos, got %d", len(vids))
+	}
+	paths := map[string]bool{videoPath: false, upperPath: false}
+	for _, v := range vids {
+		if _, ok := paths[v.Path]; ok {
+			paths[v.Path] = true
+		}
+	}
+	for p, seen := range paths {
+		if !seen {
+			t.Fatalf("missing video %s", p)
+		}
+	}
+	if len(pending) != 2 {
+		t.Fatalf("expected pending durations for both videos, got %d", len(pending))
+	}
+}
+
+func TestLoadVideosFollowSymlinkDirectories(t *testing.T) {
+	if runtime.GOOS == "windows" {
+		t.Skip("symlink permissions vary on Windows")
+	}
+
+	root := t.TempDir()
+	storage := t.TempDir()
+
+	if err := os.WriteFile(filepath.Join(storage, "movie.mp4"), []byte("dummy"), 0o644); err != nil {
+		t.Fatalf("failed to create storage video: %v", err)
+	}
+
+	linkPath := filepath.Join(root, "videos")
+	if err := os.Symlink(storage, linkPath); err != nil {
+		t.Skipf("symlink not supported: %v", err)
+	}
+
+	vids, _, err := loadVideos(root, nil, nil)
+	if err != nil {
+		t.Fatalf("loadVideos returned error: %v", err)
+	}
+
+	expected := filepath.Join(linkPath, "movie.mp4")
+	found := false
+	for _, v := range vids {
+		if v.Path == expected {
+			found = true
+			break
+		}
+	}
+	if !found {
+		t.Fatalf("expected to find video at %s, paths=%v", expected, vids)
+	}
+}
+
+func TestResolveRootPathDefaultCreatesDirectory(t *testing.T) {
+	tmp := t.TempDir()
+	t.Setenv("HOME", tmp)
+
+	got, err := resolveRootPath("")
+	if err != nil {
+		t.Fatalf("resolveRootPath returned error: %v", err)
+	}
+	want := filepath.Join(tmp, "Yoga")
+	if got != want {
+		t.Fatalf("expected %s, got %s", want, got)
+	}
+	info, err := os.Stat(want)
+	if err != nil {
+		t.Fatalf("stat expected dir failed: %v", err)
+	}
+	if !info.IsDir() {
+		t.Fatalf("expected %s to be a directory", want)
+	}
+}
+
+func TestResolveRootPathRequiresExistingDirectory(t *testing.T) {
+	tmp := t.TempDir()
+	missing := filepath.Join(tmp, "missing")
+	if _, err := resolveRootPath(missing); err == nil {
+		t.Fatalf("expected error for missing path %s", missing)
+	}
+}
+
+func TestExpandPathHome(t *testing.T) {
+	tmp := t.TempDir()
+	t.Setenv("HOME", tmp)
+	got, err := expandPath("~/custom")
+	if err != nil {
+		t.Fatalf("expandPath error: %v", err)
+	}
+	want := filepath.Join(tmp, "custom")
+	if got != want {
+		t.Fatalf("expected %s, got %s", want, got)
+	}
+}