package meta import ( "testing" "github.com/stretchr/testify/assert" ) func TestExif(t *testing.T) { t.Run("photoshop.jpg", func(t *testing.T) { data, err := Exif("testdata/photoshop.jpg") if err != nil { t.Fatal(err) } assert.Equal(t, "Michael Mayer", data.Artist) assert.Equal(t, "2020-01-01T16:28:23Z", data.TakenAt.Format("2006-01-02T15:04:05Z")) assert.Equal(t, "2020-01-01T17:28:23Z", data.TakenAtLocal.Format("2006-01-02T15:04:05Z")) assert.Equal(t, "Example file for development", data.Description) assert.Equal(t, "This is a legal notice", data.Copyright) assert.Equal(t, 540, data.Height) assert.Equal(t, 720, data.Width) assert.Equal(t, float32(52.45969), data.Lat) assert.Equal(t, float32(13.321832), data.Lng) assert.Equal(t, 0, data.Altitude) assert.Equal(t, "1/50", data.Exposure) assert.Equal(t, "HUAWEI", data.CameraMake) assert.Equal(t, "ELE-L29", data.CameraModel) assert.Equal(t, "", data.CameraOwner) assert.Equal(t, "", data.CameraSerial) assert.Equal(t, 27, data.FocalLength) assert.Equal(t, 1, int(data.Orientation)) // TODO: Values are empty - why? // assert.Equal(t, "HUAWEI P30 Rear Main Camera", data.LensModel) }) t.Run("ladybug.jpg", func(t *testing.T) { data, err := Exif("testdata/ladybug.jpg") if err != nil { t.Fatal(err) } // t.Logf("all: %+v", data.All) assert.Equal(t, "Photographer: TMB", data.Artist) assert.Equal(t, "2011-07-10T17:34:28Z", data.TakenAt.Format("2006-01-02T15:04:05Z")) assert.Equal(t, "2011-07-10T19:34:28Z", data.TakenAtLocal.Format("2006-01-02T15:04:05Z")) assert.Equal(t, "", data.Title) // Should be "Ladybug" assert.Equal(t, "", data.Keywords) // Should be "Ladybug" assert.Equal(t, "", data.Description) assert.Equal(t, "", data.Copyright) assert.Equal(t, 540, data.Height) assert.Equal(t, 720, data.Width) assert.Equal(t, float32(51.254852), data.Lat) assert.Equal(t, float32(7.389468), data.Lng) assert.Equal(t, 0, data.Altitude) assert.Equal(t, "1/125", data.Exposure) assert.Equal(t, "Canon", data.CameraMake) assert.Equal(t, "Canon EOS 50D", data.CameraModel) assert.Equal(t, "Thomas Meyer-Boudnik", data.CameraOwner) assert.Equal(t, "2260716910", data.CameraSerial) assert.Equal(t, "", data.LensMake) assert.Equal(t, "EF100mm f/2.8 Macro USM", data.LensModel) assert.Equal(t, 100, data.FocalLength) assert.Equal(t, 1, int(data.Orientation)) }) t.Run("gopro_hd2.jpg", func(t *testing.T) { data, err := Exif("testdata/gopro_hd2.jpg") if err != nil { t.Fatal(err) } // t.Logf("all: %+v", data.All) assert.Equal(t, "", data.Artist) assert.Equal(t, "2017-12-21T05:17:28Z", data.TakenAt.Format("2006-01-02T15:04:05Z")) assert.Equal(t, "2017-12-21T05:17:28Z", data.TakenAtLocal.Format("2006-01-02T15:04:05Z")) assert.Equal(t, "", data.Title) assert.Equal(t, "", data.Keywords) assert.Equal(t, "DCIM\\100GOPRO", data.Description) assert.Equal(t, "", data.Copyright) assert.Equal(t, 180, data.Height) assert.Equal(t, 240, data.Width) assert.Equal(t, float32(0), data.Lng) assert.Equal(t, 0, data.Altitude) assert.Equal(t, "1/2462", data.Exposure) assert.Equal(t, "GoPro", data.CameraMake) assert.Equal(t, "HD2", data.CameraModel) assert.Equal(t, "", data.CameraOwner) assert.Equal(t, "", data.CameraSerial) assert.Equal(t, 16, data.FocalLength) assert.Equal(t, 1, int(data.Orientation)) }) t.Run("tweethog.png", func(t *testing.T) { _, err := Exif("testdata/tweethog.png") if err == nil { t.Fatal("err should NOT be nil") } assert.Equal(t, "no exif data in tweethog.png", err.Error()) }) t.Run("iphone_7.heic", func(t *testing.T) { data, err := Exif("testdata/iphone_7.heic") if err != nil { t.Fatal(err) } assert.Equal(t, "2018-09-10T03:16:13Z", data.TakenAt.Format("2006-01-02T15:04:05Z")) assert.Equal(t, "2018-09-10T12:16:13Z", data.TakenAtLocal.Format("2006-01-02T15:04:05Z")) assert.Equal(t, float32(34.79745), data.Lat) assert.Equal(t, float32(134.76463), data.Lng) assert.Equal(t, 0, data.Altitude) assert.Equal(t, "1/4000", data.Exposure) assert.Equal(t, "Apple", data.CameraMake) assert.Equal(t, "iPhone 7", data.CameraModel) assert.Equal(t, 74, data.FocalLength) assert.Equal(t, 6, data.Orientation) assert.Equal(t, "Apple", data.LensMake) assert.Equal(t, "iPhone 7 back camera 3.99mm f/1.8", data.LensModel) }) t.Run("gps-2000.jpg", func(t *testing.T) { data, err := Exif("testdata/gps-2000.jpg") if err != nil { t.Fatal(err) } // t.Logf("GPS 2000: %+v", data.All) assert.Equal(t, "", data.Artist) assert.True(t, data.TakenAt.IsZero()) assert.True(t, data.TakenAtLocal.IsZero()) assert.Equal(t, "", data.Description) assert.Equal(t, "", data.Copyright) assert.Equal(t, 0, data.Height) // TODO assert.Equal(t, 0, data.Width) // TODO assert.Equal(t, float32(-38.405193), data.Lat) assert.Equal(t, float32(144.18896), data.Lng) assert.Equal(t, 0, data.Altitude) assert.Equal(t, "", data.Exposure) assert.Equal(t, "", data.CameraMake) assert.Equal(t, "", data.CameraModel) assert.Equal(t, "", data.CameraOwner) assert.Equal(t, "", data.CameraSerial) assert.Equal(t, 0, data.FocalLength) assert.Equal(t, 1, int(data.Orientation)) }) t.Run("image-2011.jpg", func(t *testing.T) { data, err := Exif("testdata/image-2011.jpg") if err != nil { t.Fatal(err) } // t.Logf("ALL: %+v", data.All) /* Exiftool date information: File Modification Date/Time : 2020:05:15 08:25:46+00:00 File Access Date/Time : 2020:05:15 08:25:47+00:00 File Inode Change Date/Time : 2020:05:15 08:25:46+00:00 Modify Date : 2020:05:15 10:25:45 Create Date : 2011:07:19 11:36:38 Metadata Date : 2020:05:15 10:25:45+02:00 */ // assert.Equal(t, "2011-07-19T11:36:38Z", data.TakenAt.Format("2006-01-02T15:04:05Z")) // TODO // assert.Equal(t, "2011-07-19T11:36:38Z", data.TakenAtLocal.Format("2006-01-02T15:04:05Z")) // TODO assert.Equal(t, float32(0), data.Lat) assert.Equal(t, float32(0), data.Lng) assert.Equal(t, 0, data.Altitude) assert.Equal(t, "1/1100", data.Exposure) assert.Equal(t, "SAMSUNG", data.CameraMake) assert.Equal(t, "GT-I9000", data.CameraModel) assert.Equal(t, 3, data.FocalLength) assert.Equal(t, 1, data.Orientation) assert.Equal(t, "", data.LensMake) assert.Equal(t, "", data.LensModel) }) t.Run("ship.jpg", func(t *testing.T) { data, err := Exif("testdata/ship.jpg") if err != nil { t.Fatal(err) } assert.Equal(t, "2019-05-12T15:13:53Z", data.TakenAt.Format("2006-01-02T15:04:05Z")) assert.Equal(t, "2019-05-12T17:13:53Z", data.TakenAtLocal.Format("2006-01-02T15:04:05Z")) assert.Equal(t, float32(53.12349), data.Lat) assert.Equal(t, float32(18.00152), data.Lng) assert.Equal(t, 63, data.Altitude) assert.Equal(t, "1/100", data.Exposure) assert.Equal(t, "Xiaomi", data.CameraMake) assert.Equal(t, "Mi A1", data.CameraModel) assert.Equal(t, 52, data.FocalLength) assert.Equal(t, 1, data.Orientation) assert.Equal(t, "", data.LensMake) assert.Equal(t, "", data.LensModel) }) t.Run("no-exif-data.jpg", func(t *testing.T) { _, err := Exif("testdata/no-exif-data.jpg") if err == nil { t.Fatal("err should NOT be nil") } assert.Equal(t, "no exif data in no-exif-data.jpg", err.Error()) }) t.Run("screenshot.png", func(t *testing.T) { data, err := Exif("testdata/screenshot.png") if err != nil { t.Fatal(err) } assert.Equal(t, "721", data.All["PixelXDimension"]) assert.Equal(t, "332", data.All["PixelYDimension"]) }) t.Run("orientation.jpg", func(t *testing.T) { data, err := Exif("testdata/orientation.jpg") if err != nil { t.Fatal(err) } assert.Equal(t, "3264", data.All["PixelXDimension"]) assert.Equal(t, "1836", data.All["PixelYDimension"]) assert.Equal(t, 3264, data.Width) assert.Equal(t, 1836, data.Height) assert.Equal(t, 6, data.Orientation) // TODO: Should be 1 if err := data.JSON("testdata/orientation.json", "orientation.jpg"); err != nil { t.Fatal(err) } assert.Equal(t, 326, data.Width) assert.Equal(t, 184, data.Height) assert.Equal(t, 1, data.Orientation) if err := data.JSON("testdata/orientation.json", "foo.jpg"); err != nil { assert.EqualError(t, err, "meta: original name foo.jpg does not match orientation.jpg (json)") } else { t.Error("error expected when providing wrong orginal name") } }) t.Run("gopher-preview.jpg", func(t *testing.T) { _, err := Exif("testdata/gopher-preview.jpg") assert.EqualError(t, err, "no exif data in gopher-preview.jpg") }) }