def test_sync_timesteps_steps_relevant_readers(self):
# Given
e = self.engine
# Read a VTK XML data file.
r = VTKXMLFileReader()
r.initialize(self.abc1)
e.add_source(r)
# Create an outline for the data.
o = Outline()
e.add_module(o)
r2 = VTKXMLFileReader()
r2.initialize(self.def1)
e.add_source(r2)
r3 = VTKXMLFileReader()
r3.initialize(self.xyz1)
e.add_source(r3)
# When
r.sync_timestep = True
r.timestep = 1
# Then
self.assertEqual(r.timestep, r2.timestep)
self.assertNotEqual(r.timestep, r3.timestep)
r.timestep = 0
self.assertEqual(r.timestep, r2.timestep)
def test_sync_timesteps_steps_relevant_readers(self):
# Given
e = self.engine
# Read a VTK XML data file.
r = VTKXMLFileReader()
r.initialize(self.abc1)
e.add_source(r)
# Create an outline for the data.
o = Outline()
e.add_module(o)
r2 = VTKXMLFileReader()
r2.initialize(self.def1)
e.add_source(r2)
r3 = VTKXMLFileReader()
r3.initialize(self.xyz1)
e.add_source(r3)
# When
r.sync_timestep = True
r.timestep = 1
# Then
self.assertEqual(r.timestep, r2.timestep)
self.assertNotEqual(r.timestep, r3.timestep)
r.timestep = 0
self.assertEqual(r.timestep, r2.timestep)
def test_update_files_updates_all_file_lists(self):
# Given
e = self.engine
# Read a VTK XML data file.
r = VTKXMLFileReader()
r.initialize(self.abc1)
e.add_source(r)
r2 = VTKXMLFileReader()
r2.initialize(self.def1)
e.add_source(r2)
r.sync_timestep = True
r.timestep = 0
self.assertEqual(r._max_timestep, 1)
self.assertEqual(len(r.file_list), 2)
# When
shutil.copy(self.abc1, os.path.join(self.root, 'abc_3.vti'))
shutil.copy(self.def1, os.path.join(self.root, 'def_3.vti'))
r.update_files = True
# Then
self.assertEqual(r._max_timestep, 2)
self.assertEqual(len(r.file_list), 3)
self.assertEqual(r2._max_timestep, 2)
self.assertEqual(len(r2.file_list), 3)
def test_loop_loops_timesteps(self):
# Given
e = self.engine
# Read a VTK XML data file.
r = VTKXMLFileReader()
r.initialize(self.abc1)
r.timestep = 0
e.add_source(r)
# Create an outline for the data.
o = Outline()
e.add_module(o)
values = []
def callback(new):
values.append(new)
# Shut off so only one loop is done.
if new == 0:
r.loop = False
r.on_trait_change(callback, 'timestep')
# When
r.loop = True
r.play = True
# Then
expected = [1, 0, 1]
self.assertEqual(values, expected)
self.assertEqual(r.timestep, 1)
self.assertEqual(r.loop, False)
def test_update_files_updates_all_file_lists(self):
# Given
e = self.engine
# Read a VTK XML data file.
r = VTKXMLFileReader()
r.initialize(self.abc1)
e.add_source(r)
r2 = VTKXMLFileReader()
r2.initialize(self.def1)
e.add_source(r2)
r.sync_timestep = True
r.timestep = 0
self.assertEqual(r._max_timestep, 1)
self.assertEqual(len(r.file_list), 2)
# When
shutil.copy(self.abc1, os.path.join(self.root, "abc_3.vti"))
shutil.copy(self.def1, os.path.join(self.root, "def_3.vti"))
r.update_files = True
# Then
self.assertEqual(r._max_timestep, 2)
self.assertEqual(len(r.file_list), 3)
self.assertEqual(r2._max_timestep, 2)
self.assertEqual(len(r2.file_list), 3)
def test_loop_loops_timesteps(self):
# Given
e = self.engine
# Read a VTK XML data file.
r = VTKXMLFileReader()
r.initialize(self.abc1)
r.timestep = 0
e.add_source(r)
# Create an outline for the data.
o = Outline()
e.add_module(o)
values = []
def callback(new):
values.append(new)
# Shut off so only one loop is done.
if new == 0:
r.loop = False
r.on_trait_change(callback, "timestep")
# When
r.loop = True
r.play = True
# Then
expected = [1, 0, 1]
self.assertEqual(values, expected)
self.assertEqual(r.timestep, 1)
self.assertEqual(r.loop, False)
def test_play_updates_timestep(self):
# Given
e = self.engine
# Read a VTK XML data file.
r = VTKXMLFileReader()
r.initialize(self.abc1)
r.timestep = 0
e.add_source(r)
# Create an outline for the data.
o = Outline()
e.add_module(o)
r2 = VTKXMLFileReader()
r2.initialize(self.def1)
e.add_source(r2)
# When
r.play = True
# Then
self.assertEqual(r.timestep, 1)
self.assertEqual(r2.timestep, 0)
def test_play_updates_timestep(self):
# Given
e = self.engine
# Read a VTK XML data file.
r = VTKXMLFileReader()
r.initialize(self.abc1)
r.timestep = 0
e.add_source(r)
# Create an outline for the data.
o = Outline()
e.add_module(o)
r2 = VTKXMLFileReader()
r2.initialize(self.def1)
e.add_source(r2)
# When
r.play = True
# Then
self.assertEqual(r.timestep, 1)
self.assertEqual(r2.timestep, 0)
def test_play_calls_movie_maker_correctly(self):
# Given
e = self.engine
# Read a VTK XML data file.
r = VTKXMLFileReader()
r.initialize(self.abc1)
r.timestep = 0
e.add_source(r)
# Mock
s = make_mock_scene()
r.scene = s
mm = s.movie_maker
# Create an outline for the data.
o = Outline()
e.add_module(o)
# When
r.play = True
# Then
mm.animation_start.assert_called_once_with()
self.assertEqual(mm.animation_step.call_count, 1)
mm.animation_stop.assert_called_once_with()
def test_play_calls_movie_maker_correctly(self):
# Given
e = self.engine
# Read a VTK XML data file.
r = VTKXMLFileReader()
r.initialize(self.abc1)
r.timestep = 0
e.add_source(r)
# Mock
s = make_mock_scene()
r.scene = s
mm = s.movie_maker
# Create an outline for the data.
o = Outline()
e.add_module(o)
# When
r.play = True
# Then
mm.animation_start.assert_called_once_with()
self.assertEqual(mm.animation_step.call_count, 1)
mm.animation_stop.assert_called_once_with()