画像読込のテストコード実装

shiosyakeyakini-info · Nov 13, 2024 · b5c6086 · b5c6086
1 parent 82e95dc
commit b5c6086
Show file tree

Hide file tree

Showing 6 changed files with 83 additions and 0 deletions.
diff --git a/test/assets/images/exif_ifd_only.jpg b/test/assets/images/exif_ifd_only.jpg
diff --git a/test/assets/images/exif_no_data.jpg b/test/assets/images/exif_no_data.jpg
diff --git a/test/assets/images/exif_test.jpg b/test/assets/images/exif_test.jpg
diff --git a/test/assets/images/test.gif b/test/assets/images/test.gif
diff --git a/test/assets/images/test.png b/test/assets/images/test.png
diff --git a/test/state_notifier/note_create_page/image_exif_test.dart b/test/state_notifier/note_create_page/image_exif_test.dart
@@ -0,0 +1,83 @@
+import "dart:io";
+import "package:flutter_test/flutter_test.dart";
+import "package:image/image.dart";
+import "package:miria/state_notifier/note_create_page/note_create_state_notifier.dart";
+
+void main() {
+  group("画像読込", () {
+    test("PNG画像が読み込めること", () async {
+      final file = File("test/assets/images/test.png");
+      final d = await NoteCreateNotifier().loadImage(file);
+      expect(decodePng(d), isNotNull);
+    });
+
+    test("GIF画像が読み込めること", () async {
+      final file = File("test/assets/images/test.gif");
+      final d = await NoteCreateNotifier().loadImage(file);
+
+      expect(decodeGif(d), isNotNull);
+    });
+
+    test("JPEG画像が読み込めること", () async {
+      final file = File("test/assets/images/exif_test.jpg");
+      final d = await NoteCreateNotifier().loadImage(file);
+      expect(decodeJpg(d), isNotNull);
+    });
+
+    test("入力JPEG画像にgpsIfdのキーがあること", () async {
+      final file = File("test/assets/images/exif_test.jpg");
+      final exif = decodeJpgExif(await file.readAsBytes());
+      expect(exif?.gpsIfd.values.length, 5);
+    });
+
+    test("出力JPEG画像にgpsIfdのキーが存在しないこと", () async {
+      final file = File("test/assets/images/exif_test.jpg");
+      final d = await NoteCreateNotifier().loadImage(file);
+      final exif = decodeJpgExif(d);
+      expect(exif, isNotNull);
+      expect(exif?.gpsIfd.keys.length, 0);
+    });
+
+    test("出力JPEG画像のEXIFに向き以外存在しないこと", () async {
+      final file = File("test/assets/images/exif_test.jpg");
+      final d = await NoteCreateNotifier().loadImage(file);
+      final exif = decodeJpgExif(d);
+      expect(exif, isNotNull);
+      expect(exif?.imageIfd.keys.length, 1);
+      expect(exif?.imageIfd.keys.first, 274);
+    });
+
+    test("出力JPEG画像のEXIFのOrientation値が6であること", () async {
+      final file = File("test/assets/images/exif_test.jpg");
+      final d = await NoteCreateNotifier().loadImage(file);
+      final exif = decodeJpgExif(d);
+      expect(exif, isNotNull);
+      expect(exif?.imageIfd.keys.length, 1);
+      expect(exif?.imageIfd.orientation, 6);
+    });
+
+    test("EXIFがIFDだけのJPEG画像が読み込めること", () async {
+      final file = File("test/assets/images/exif_ifd_only.jpg");
+      final d = await NoteCreateNotifier().loadImage(file);
+      final img = decodeJpg(d);
+      expect(img, isNotNull);
+    });
+
+    test("EXIFがIFDだけのJPEG画像はOrientation値が1になること", () async {
+      final file = File("test/assets/images/exif_ifd_only.jpg");
+      final d = await NoteCreateNotifier().loadImage(file);
+      final exif = decodeJpgExif(d);
+      expect(exif, isNotNull);
+      expect(exif?.imageIfd.keys.length, 1);
+      expect(exif?.imageIfd.orientation, 1);
+    });
+
+    test("EXIFがないJPEG画像の場合はEXIFをつけないこと", () async {
+      final file = File("test/assets/images/exif_no_data.jpg");
+      final d = await NoteCreateNotifier().loadImage(file);
+      expect(decodeJpg(d), isNotNull);
+      final exif = decodeJpgExif(d);
+      expect(exif, isNull);
+    });
+  });
+}