SaveAnimation: extend test to check stereo images

Extending SaveAnimation test to check for saving of stereo images (and
video) with both eyes at the same time.

Remoting/Application/Testing/Data/Baseline/SaveAnimation_right.png.sha512

+286d6ecf1e2f77d931c564acee8d923893305af7dbd70af6012b2e15885e81676ca0bc10187b992054c9da30da3c3daf3ff1e92e161eddb6ea7d67efe2274fc7

Remoting/Application/Testing/Python/CMakeLists.txt

@@ -71,6 +71,7 @@ set(ParaView::RemotingApplication_ARGS)
 # Add tests for pvbatch.
 
 vtk_module_test_data(
+  "${CMAKE_CURRENT_SOURCE_DIR}/../Data/Baseline/SaveAnimation_right.png"
   "${CMAKE_CURRENT_SOURCE_DIR}/../Data/Baseline/MultiView_chart_view.png"
   "${CMAKE_CURRENT_SOURCE_DIR}/../Data/Baseline/MultiView_render_view.png")
 

Remoting/Application/Testing/Python/SaveAnimation.py

@@ -3,14 +3,17 @@ from paraview.simple import *
 from paraview import smtesting
 smtesting.ProcessCommandLineArguments()
 
+tempdir = smtesting.GetUniqueTempDirectory("SaveAnimation-")
+print("Generating output files in `%s`" % tempdir)
+
 def RegressionTest(imageName, baselineName):
     from paraview.vtk.vtkTestingRendering import vtkTesting
     testing = vtkTesting()
     testing.AddArgument("-T")
-    testing.AddArgument(smtesting.TempDir)
+    testing.AddArgument(tempdir)
     testing.AddArgument("-V")
     testing.AddArgument(smtesting.DataDir + "/Remoting/Application/Testing/Data/Baseline/" + baselineName)
-    return testing.RegressionTest(smtesting.TempDir + "/" + imageName, 10) == vtkTesting.PASSED
+    return testing.RegressionTest(tempdir + "/" + imageName, 10) == vtkTesting.PASSED
 
 
 # Create a new 'Render View'
@@ -36,9 +39,30 @@ animationScene1.UpdateAnimationUsingDataTimeSteps()
 # show data from reader
 canex2Display = Show(reader, renderView1)
 
-SaveAnimation(smtesting.TempDir + "/SaveAnimation.png", ImageResolution=[600, 600], ImageQuality=40)
+# Save animation images
+SaveAnimation(tempdir + "/SaveAnimation.png", ImageResolution=[600, 600], ImageQuality=40)
+
+# Lets save stereo animation images (two eyes at the same time)
+SaveAnimation(tempdir + "/SaveAnimationStereo.png",
+        ImageResolution=[600, 600], ImageQuality=40,
+        StereoMode="Both Eyes")
+
+# Lets save stere video
+SaveAnimation(tempdir + "/SaveAnimationStereo.ogv",
+        ImageResolution=[600, 600], ImageQuality=40,
+        StereoMode="Both Eyes")
 
 pm = servermanager.vtkProcessModule.GetProcessModule()
 if pm.GetPartitionId() == 0:
     if not RegressionTest("SaveAnimation.0002.png", "SaveAnimation.png"):
-        raise RuntimeError("Test failed")
+        raise RuntimeError("Test failed (non-stereo)")
+    if not RegressionTest("SaveAnimationStereo.0002_left.png", "SaveAnimation.png"):
+        raise RuntimeError("Test failed (stereo: left-eye)")
+    if not RegressionTest("SaveAnimationStereo.0002_right.png", "SaveAnimation_right.png"):
+        raise RuntimeError("Test failed (stereo: right-eye)")
+
+    import os.path
+    if not os.path.exists(os.path.join(tempdir, "SaveAnimationStereo_right.ogv")):
+        raise RuntimeError("Missing video file (stereo: right-eye)")
+    if not os.path.exists(os.path.join(tempdir, "SaveAnimationStereo_left.ogv")):
+        raise RuntimeError("Missing video file (stereo: left-eye)")