Adding a unit test module for SceneCacheReader.

Author: Lucio Moser

test/IECoreNuke/All.py

@@ -47,6 +47,8 @@
 from ParameterisedHolderTest import ParameterisedHolderTest
 from ObjectKnobTest import ObjectKnobTest
 from OpHolderTest import OpHolderTest
+from SceneCacheReaderTest import SceneCacheReaderTest
+
 if IECore.withPNG() :
 	from PNGReaderTest import PNGReaderTest
 

test/IECoreNuke/SceneCacheReaderTest.py

@@ -0,0 +1,80 @@
+##########################################################################
+#
+#  Copyright (c) 2014, Image Engine Design Inc. All rights reserved.
+#
+#  Redistribution and use in source and binary forms, with or without
+#  modification, are permitted provided that the following conditions are
+#  met:
+#
+#     * Redistributions of source code must retain the above copyright
+#       notice, this list of conditions and the following disclaimer.
+#
+#     * Redistributions in binary form must reproduce the above copyright
+#       notice, this list of conditions and the following disclaimer in the
+#       documentation and/or other materials provided with the distribution.
+#
+#     * Neither the name of Image Engine Design nor the names of any
+#       other contributors to this software may be used to endorse or
+#       promote products derived from this software without specific prior
+#       written permission.
+#
+#  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+#  IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+#  THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+#  PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+#  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+#  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+#  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+#  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+#  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+#  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+##########################################################################
+
+import unittest
+import IECoreNuke
+import IECore
+import os
+import nuke
+from glob import glob
+
+class SceneCacheReaderTest( IECoreNuke.TestCase ) :
+
+	def setUp( self ) :
+		nuke.scriptClear()
+
+	def tearDown( self ) :
+		nuke.scriptClear()
+		for f in glob( "test/IECoreNuke/scripts/data/sceneCacheTestResults*.exr" ) :
+			try:
+				os.remove(f)
+			except:
+				pass
+
+	def testLoadedScriptWithRetime( self ) :
+
+		nuke.scriptOpen("test/IECoreNuke/scripts/sceneCacheTest.nk" )
+		w = nuke.toNode("Write1")
+		frames = [ 1, 10, 20, 30, 40, 50, 60, 70, 80 ]
+		nuke.executeMultiple( [ w ], map( lambda f: (f,f,1), frames ) )
+		for f in frames :
+			imageA = IECore.Reader.create( "test/IECoreNuke/scripts/data/sceneCacheExpectedResults.%04d.exr" % f )()
+			imageB = IECore.Reader.create( "test/IECoreNuke/scripts/data/sceneCacheTestResults.%04d.exr" % f )()
+			self.assertEqual( IECore.ImageDiffOp()( imageA = imageA, imageB = imageB, maxError = 0.05 ).value, False )
+		
+		n = nuke.toNode("ieSceneCacheReader4")
+		v = n.knob('sceneView')
+		self.assertEqual( set(v.getSelectedItems()), set(['/root/A/a']) )
+
+		# now force loading A+B and test in frame 20
+		v.setSelectedItems(['/root/A/a', '/root/B/b'])
+		self.assertEqual( set(v.getSelectedItems()), set(['/root/A/a', '/root/B/b']) )
+		nuke.executeMultiple( [ w ], [(20,20,1)] )
+		imageA = IECore.Reader.create( "test/IECoreNuke/scripts/data/sceneCacheExpectedResultsB.0020.exr" )()
+		imageB = IECore.Reader.create( "test/IECoreNuke/scripts/data/sceneCacheTestResults.0020.exr" )()
+		self.assertEqual( IECore.ImageDiffOp()( imageA = imageA, imageB = imageB, maxError = 0.05 ).value, False )
+
+if __name__ == "__main__":
+    unittest.main()
+