精简后的项目：仅保留 api/ui 源码、文档、构建依赖

2026-09-11 16:11:09 +08:00
commit 490e85634e
457 changed files with 86862 additions and 0 deletions
@@ -0,0 +1,141 @@
+package exif
+
+import (
+	"os"
+	"sync"
+	"testing"
+	"time"
+
+	_ "github.com/photoview/photoview/api/test_utils/flags"
+)
+
+func resetForTest() {
+	globalMu.Lock()
+	defer globalMu.Unlock()
+	if globalExifParser != nil {
+		_ = globalExifParser.Close()
+	}
+	globalExifParser = nil
+	// Allow Initialize() to run again in subsequent tests
+	globalInit = sync.Once{}
+}
+
+func TestParseWithoutInit(t *testing.T) {
+	resetForTest()
+	if _, err := Parse("./test_data/bird.jpg"); err == nil {
+		t.Fatalf("Parse() without Init() doesn't return an error")
+	}
+}
+
+func TestParse(t *testing.T) {
+	resetForTest()
+
+	cleanup, err := Initialize()
+	if err != nil {
+		t.Fatalf("Initialize() error: %v", err)
+	}
+	defer cleanup()
+
+	filename := "./test_data/bird.jpg"
+
+	metadata, err := Parse(filename)
+	if err != nil {
+		t.Fatalf("Parse() returns an error: %v", err)
+	}
+
+	if metadata == nil {
+		t.Errorf("Parse(%q) should not return nil", filename)
+	}
+}
+
+func TestMIMEType(t *testing.T) {
+	resetForTest()
+
+	cleanup, err := Initialize()
+	if err != nil {
+		t.Fatalf("Initialize() error: %v", err)
+	}
+	defer cleanup()
+
+	filename := "./test_data/bird.jpg"
+
+	mime, err := MIMEType(filename)
+	if err != nil {
+		t.Fatalf("MIMEType() returns an error: %v", err)
+	}
+
+	if mime == "" {
+		t.Errorf("MIMEType(%q) should not return an empty string", filename)
+	}
+}
+
+func fileModifyDateLiteralInUTC(t *testing.T, file string) time.Time {
+	fstat, err := os.Stat(file)
+	if err != nil {
+		t.Fatalf("os.Stat(%q) error: %v", file, err)
+	}
+
+	ret := fstat.ModTime().Truncate(time.Second)
+	_, offset := ret.Zone()
+	ret = ret.Add(time.Duration(offset) * time.Second).UTC()
+
+	return ret
+}
+
+func mustParseNoTimeZone(t *testing.T, timeStr string) time.Time {
+	layout := "2006:01:02 15:04:05.999"
+	ret, err := time.ParseInLocation(layout, timeStr, time.UTC)
+	if err != nil {
+		t.Fatalf("time.Parse(%q) error: %v", timeStr, err)
+	}
+	return ret
+}
+
+func TestSamplesTime(t *testing.T) {
+	resetForTest()
+
+	cleanup, err := Initialize()
+	if err != nil {
+		t.Fatalf("Initialize() error: %v", err)
+	}
+	defer cleanup()
+
+	tests := []struct {
+		file          string
+		wantTime      time.Time
+		wantOffsetSec *int
+	}{
+		{"./test_data/sample1.heif", fileModifyDateLiteralInUTC(t, "./test_data/sample1.heif"), nil},
+		{"./test_data/sample1_nef.jpg", mustParseNoTimeZone(t, "2008:03:15 07:44:21.49"), new(-7 * 60 * 60)},
+	}
+
+	for _, tc := range tests {
+		t.Run(tc.file, func(t *testing.T) {
+			metadata, err := Parse(tc.file)
+			if err != nil {
+				t.Fatalf("Parse(%q) returns an error: %v", tc.file, err)
+			}
+
+			if metadata == nil {
+				t.Fatalf("metadata == nil")
+			}
+			if metadata.DateShot == nil {
+				t.Fatalf("metadata.DateShot == nil")
+			}
+
+			if got := *metadata.DateShot; !got.Equal(tc.wantTime) {
+				t.Errorf("metadata.DateShot = %v, want: %v", got, tc.wantTime)
+			}
+
+			if tc.wantOffsetSec == nil {
+				if got := metadata.OffsetSecShot; got != nil {
+					t.Errorf("metadata.OffsetSecShot = %+v, want: nil", got)
+				}
+			} else {
+				if got, want := *metadata.OffsetSecShot, *tc.wantOffsetSec; got != want {
+					t.Errorf("metadata.OffsetSecShot = &(%v), want: &(%v)", got, want)
+				}
+			}
+		})
+	}
+}