Tests: Add unit tests #3658

internal/frame/angle_test.go

@@ -16,4 +16,16 @@ func TestRandomAngle(t *testing.T) {
 			assert.GreaterOrEqual(t, a, -1*e)
 		}
 	})
+	t.Run("max<0", func(t *testing.T) {
+		e := float64(-35)
+		a := RandomAngle(e)
+		assert.GreaterOrEqual(t, a, e)
+		assert.LessOrEqual(t, a, -1*e)
+	})
+	t.Run("max>180", func(t *testing.T) {
+		e := float64(200)
+		a := RandomAngle(e)
+		assert.LessOrEqual(t, a, e)
+		assert.GreaterOrEqual(t, a, -1*e)
+	})
 }

internal/frame/collage_test.go

@@ -59,4 +59,49 @@ func TestCollage(t *testing.T) {
 
 		_ = os.Remove(saveName)
 	})
+
+	t.Run("No images", func(t *testing.T) {
+		var images []image.Image
+
+		saveName := "testdata/test-no-images-collage.jpg"
+		preview, err := Collage(Polaroid, images)
+
+		assert.NoError(t, err)
+
+		err = imaging.Save(preview, saveName)
+
+		assert.NoError(t, err)
+		mimeType := fs.MimeType(saveName)
+		assert.Equal(t, fs.MimeTypeJPEG, mimeType)
+
+		_ = os.Remove(saveName)
+	})
+
+	t.Run("Unknown collage type", func(t *testing.T) {
+		var images []image.Image
+
+		img, err := imaging.Open("testdata/500x500.jpg")
+		assert.NoError(t, err)
+
+		for i := 0; i <= 5; i++ {
+			images = append(images, img)
+		}
+
+		saveName := "testdata/test-unknown-type-collage.jpg"
+
+		preview, err := Collage("Unknown", images)
+
+		assert.Error(t, err)
+		assert.Equal(t, "unknown collage type Unknown", err.Error())
+
+		err = imaging.Save(preview, saveName)
+
+		assert.NoError(t, err)
+
+		mimeType := fs.MimeType(saveName)
+		assert.Equal(t, fs.MimeTypeJPEG, mimeType)
+
+		_ = os.Remove(saveName)
+
+	})
 }

internal/frame/image_test.go

@@ -29,4 +29,24 @@ func TestImage(t *testing.T) {
 
 		_ = os.Remove(saveName)
 	})
+
+	t.Run("Unknown type", func(t *testing.T) {
+		img, err := imaging.Open("testdata/500x500.jpg")
+		assert.NoError(t, err)
+
+		saveName := "testdata/test-image.png"
+
+		out, err := Image("unknown", img, RandomAngle(30))
+
+		assert.Error(t, err)
+		assert.Equal(t, "unknown collage type unknown", err.Error())
+
+		err = imaging.Save(out, saveName)
+
+		assert.NoError(t, err)
+		mimeType := fs.MimeType(saveName)
+		assert.Equal(t, fs.MimeTypePNG, mimeType)
+
+		_ = os.Remove(saveName)
+	})
 }