public void GetCaption()
{
TestRuntime.AssertXcodeVersion(11, 0);
Assert.Throws <ArgumentNullException> (() => MAImageCaptioning.GetCaption(null, out _));
using (NSUrl url = new NSUrl(NetworkResources.MicrosoftUrl)) {
var s = MAImageCaptioning.GetCaption(url, out var e);
Assert.Null(s, "remote / return value");
if (e != null && e.Description.Contains("Invalid url:"))
{
Assert.Fail("Ignore this failure when network is down"); // could not connect to the network, fail and add a nice reason
}
else
{
Assert.Null(e, "remote / no error"); // weird should be an "image on disk"
}
}
string file = Path.Combine(NSBundle.MainBundle.ResourcePath, "basn3p08.png");
file = file.Replace(" ", "%20");
using (NSUrl url = new NSUrl(file)) {
var s = MAImageCaptioning.GetCaption(url, out var e);
Assert.Null(s, "local / return value");
Assert.NotNull(e, "local / error"); // does not like the URL (invalid)
}
file = NSBundle.MainBundle.ResourceUrl.AbsoluteString + "basn3p08.png";
file = file.Replace(" ", "%20");
using (NSUrl url = new NSUrl(file)) {
var s = MAImageCaptioning.GetCaption(url, out var e);
Assert.Null(s, "local / return value");
Assert.Null(e, "local / no error");
}
}
public void GetMetadataTagPath()
{
TestRuntime.AssertXcodeVersion(11, 0);
// https://iptc.org/standards/photo-metadata/iptc-standard/
// but headers mention `Iptc4xmpExt:AOContentDescription` for the Get/Set API
Assert.That(MAImageCaptioning.GetMetadataTagPath(), Is.EqualTo("Iptc4xmpExt:ArtworkContentDescription"));
}
public void GetCaption()
{
TestRuntime.AssertXcodeVersion(11, 0);
Assert.Throws <ArgumentNullException> (() => MAImageCaptioning.GetCaption(null, out _));
using (NSUrl url = new NSUrl(NetworkResources.MicrosoftUrl)) {
var s = MAImageCaptioning.GetCaption(url, out var e);
Assert.Null(s, "remote / return value");
Assert.Null(e, "remote / no error"); // weird should be an "image on disk"
}
string file = Path.Combine(NSBundle.MainBundle.ResourcePath, "basn3p08.png");
file = file.Replace(" ", "%20");
using (NSUrl url = new NSUrl(file)) {
var s = MAImageCaptioning.GetCaption(url, out var e);
Assert.Null(s, "local / return value");
Assert.NotNull(e, "local / error"); // does not like the URL (invalid)
}
file = NSBundle.MainBundle.ResourceUrl.AbsoluteString + "basn3p08.png";
file = file.Replace(" ", "%20");
using (NSUrl url = new NSUrl(file)) {
var s = MAImageCaptioning.GetCaption(url, out var e);
Assert.Null(s, "local / return value");
Assert.Null(e, "local / no error");
}
}
public void SetCaption()
{
TestRuntime.AssertXcodeVersion(11, 0);
Assert.Throws <ArgumentNullException> (() => MAImageCaptioning.SetCaption(null, "xamarin", out _));
// note: calling on a remote URL crash the process - not that it should work but...
var temp = String.Empty;
using (NSUrl url = new NSUrl(NSBundle.MainBundle.ResourceUrl.AbsoluteString + "basn3p08.png")) {
#if __MACOS__
var read_only = false;
#else
var read_only = Runtime.Arch == Arch.DEVICE;
#endif
if (read_only)
{
Assert.False(MAImageCaptioning.SetCaption(url, "xamarin", out var e), "Set");
Assert.NotNull(e, "ro / set / no error"); // weird, it can't be saved back to the file metadata
var s = MAImageCaptioning.GetCaption(url, out e);
Assert.Null(s, "ro / roundtrip"); // not very surprising since Set can't save it
Assert.Null(e, "ro / get / no error");
Assert.False(MAImageCaptioning.SetCaption(url, "xamarin", out e), "Set 2");
s = MAImageCaptioning.GetCaption(url, out e);
Assert.Null(s, "ro / back to original");
Assert.Null(e, "ro / get back / no error");
}
else
{
Assert.True(MAImageCaptioning.SetCaption(url, "xamarin", out var e), "Set");
Assert.Null(e, "ro / set / no error"); // weird, it can't be saved back to the file metadata
var s = MAImageCaptioning.GetCaption(url, out e);
if (TestRuntime.CheckXcodeVersion(12, TestRuntime.MinorXcode12APIMismatch))
{
Assert.AreEqual("xamarin", s, "ro / roundtrip");
}
else
{
Assert.Null(s, "ro / roundtrip"); // not very surprising since Set can't save it
}
Assert.Null(e, "ro / get / no error");
Assert.True(MAImageCaptioning.SetCaption(url, "xamarin", out e), "Set 2");
s = MAImageCaptioning.GetCaption(url, out e);
if (TestRuntime.CheckXcodeVersion(12, TestRuntime.MinorXcode12APIMismatch))
{
Assert.AreEqual("xamarin", s, "ro / back to original");
}
else
{
Assert.Null(s, "ro / back to original");
}
Assert.Null(e, "ro / get back / no error");
// Restore original value
Assert.True(MAImageCaptioning.SetCaption(url, null, out e), "Set 2");
s = MAImageCaptioning.GetCaption(url, out e);
Assert.Null(s, "ro / back to null");
Assert.Null(e, "ro / get back null / no error");
}
// 2nd try with a read/write copy
temp = Path.Combine(Path.GetTempPath(), "basn3p08.png");
File.Copy(url.Path, temp, overwrite: true);
}
using (var rw_url = NSUrl.FromFilename(temp)) {
Assert.True(MAImageCaptioning.SetCaption(rw_url, "xamarin", out var e), "Set");
Assert.Null(e, "rw / set / no error"); // weird, it can't be saved back to the file metadata
var s = MAImageCaptioning.GetCaption(rw_url, out e);
if (TestRuntime.CheckXcodeVersion(12, TestRuntime.MinorXcode12APIMismatch))
{
Assert.AreEqual("xamarin", s, "rw / roundtrip"); // :)
}
else
{
Assert.Null(s, "rw / roundtrip"); // :(
}
Assert.Null(e, "rw / get / no error");
Assert.True(MAImageCaptioning.SetCaption(rw_url, "xamarin", out e), "Set 2");
s = MAImageCaptioning.GetCaption(rw_url, out e);
if (TestRuntime.CheckXcodeVersion(12, TestRuntime.MinorXcode12APIMismatch))
{
Assert.AreEqual("xamarin", s, "rw / back to original");
}
else
{
Assert.Null(s, "rw / back to original");
}
Assert.Null(e, "rw / get back / no error");
}
}
