fix(tests)

image_test.go

@@ -42,42 +42,48 @@ func TestImageSvgResize(t *testing.T) {
 }
 
 func TestImageGifToJpeg(t *testing.T) {
-	i := initImage("test.gif")
-	options := Options{
-		Type: JPEG,
-	}
-	buf, err := i.Process(options)
-	if err != nil {
-		t.Errorf("Cannot process the image: %#v", err)
-	}
+	if VipsMinorVersion >= 8 && VipsMinorVersion > 2 {
+		i := initImage("test.gif")
+		options := Options{
+			Type: JPEG,
+		}
+		buf, err := i.Process(options)
+		if err != nil {
+			t.Errorf("Cannot process the image: %#v", err)
+		}
 
-	Write("fixtures/test_gif.jpg", buf)
+		Write("fixtures/test_gif.jpg", buf)
+	}
 }
 
 func TestImagePdfToJpeg(t *testing.T) {
-	i := initImage("test.pdf")
-	options := Options{
-		Type: JPEG,
-	}
-	buf, err := i.Process(options)
-	if err != nil {
-		t.Errorf("Cannot process the image: %#v", err)
-	}
+	if VipsMinorVersion >= 8 && VipsMinorVersion > 2 {
+		i := initImage("test.pdf")
+		options := Options{
+			Type: JPEG,
+		}
+		buf, err := i.Process(options)
+		if err != nil {
+			t.Errorf("Cannot process the image: %#v", err)
+		}
 
-	Write("fixtures/test_pdf.jpg", buf)
+		Write("fixtures/test_pdf.jpg", buf)
+	}
 }
 
 func TestImageSvgToJpeg(t *testing.T) {
-	i := initImage("test.svg")
-	options := Options{
-		Type: JPEG,
-	}
-	buf, err := i.Process(options)
-	if err != nil {
-		t.Errorf("Cannot process the image: %#v", err)
-	}
+	if VipsMinorVersion >= 8 && VipsMinorVersion > 2 {
+		i := initImage("test.svg")
+		options := Options{
+			Type: JPEG,
+		}
+		buf, err := i.Process(options)
+		if err != nil {
+			t.Errorf("Cannot process the image: %#v", err)
+		}
 
-	Write("fixtures/test_svg.jpg", buf)
+		Write("fixtures/test_svg.jpg", buf)
+	}
 }
 
 func TestImageResizeAndCrop(t *testing.T) {

vips.go

@@ -24,6 +24,12 @@ var debug = d.Debug("bimg")
 // VipsVersion exposes the current libvips semantic version
 const VipsVersion = string(C.VIPS_VERSION)
 
+// VipsMajorVersion exposes the current libvips major version number
+const VipsMajorVersion = string(C.VIPS_MAJOR_VERSION)
+
+// VipsMinorVersion exposes the current libvips minor version number
+const VipsMinorVersion = int(C.VIPS_MINOR_VERSION)
+
 // HasMagickSupport exposes if the current libvips compilation
 // supports libmagick bindings.
 const HasMagickSupport = int(C.VIPS_MAGICK_SUPPORT) == 1