def test_present_xdot(self):
self.programsInPath(['xdot'])
objgraph._present_graph('foo.dot')
self.assertOutput("""
Spawning graph viewer (xdot)
subprocess.Popen(['xdot', 'foo.dot'])
""")
def test_present_xdot(self):
self.programsInPath(['xdot'])
objgraph._present_graph('foo.dot')
self.assertOutput("""
Spawning graph viewer (xdot)
subprocess.Popen(['xdot', 'foo.dot'])
""")
def test_present_png_no_dot(self):
self.programsInPath([])
objgraph._present_graph('foo.dot', 'bar.png')
self.assertOutput("""
Image renderer (dot) not found, not doing anything else
""")
self.assertFalse(os.path.exists('bar.png'))
def test_present_png(self):
self.programsInPath(['dot'])
objgraph._present_graph('foo.dot', 'bar.png')
self.assertOutput("""
subprocess.Popen(['dot', '-Tpng', '-obar.png', 'foo.dot'])
Image generated as bar.png
""")
def test_present_png_no_dot(self):
self.programsInPath([])
objgraph._present_graph('foo.dot', 'bar.png')
self.assertOutput("""
Image renderer (dot) not found, not doing anything else
""")
self.assertFalse(os.path.exists('bar.png'))
def test_present_png(self):
self.programsInPath(['dot'])
objgraph._present_graph('foo.dot', 'bar.png')
self.assertOutput("""
subprocess.Popen(['dot', '-Tpng', '-obar.png', 'foo.dot'])
Image generated as bar.png
""")
def test_present_no_xdot(self):
self.programsInPath(['dot'])
objgraph._present_graph('foo.dot')
self.assertOutput("""
Graph viewer (xdot) not found, generating a png instead
subprocess.Popen(['dot', '-Tpng', '-ofoo.png', 'foo.dot'])
Image generated as foo.png
""")
def test_present_png_failure(self):
self.programsInPath(['dot'])
objgraph.subprocess.should_fail = True
objgraph._present_graph('f.dot', 'b.png')
self.assertOutput("""
subprocess.Popen(['dot', '-Tpng', '-ob.png', 'f.dot'])
dot failed (exit code 1) while executing "dot -Tpng -ob.png f.dot"
""")
def test_present_no_xdot(self):
self.programsInPath(['dot'])
objgraph._present_graph('foo.dot')
self.assertOutput("""
Graph viewer (xdot) not found, generating a png instead
subprocess.Popen(['dot', '-Tpng', '-ofoo.png', 'foo.dot'])
Image generated as foo.png
""")
def test_present_png_failure(self):
self.programsInPath(['dot'])
objgraph.subprocess.should_fail = True
objgraph._present_graph('f.dot', 'b.png')
self.assertOutput("""
subprocess.Popen(['dot', '-Tpng', '-ob.png', 'f.dot'])
dot failed (exit code 1) while executing "dot -Tpng -ob.png f.dot"
""")
def test_present_no_xdot_and_no_not(self):
self.programsInPath([])
objgraph._present_graph('foo.dot')
self.assertOutput("Graph viewer (xdot) and image renderer (dot)"
" not found, not doing anything else\n")
def test_present_dot(self):
objgraph._present_graph('foo.dot', 'foo.dot')
self.assertOutput("")
def test_present_no_xdot_and_no_not(self):
self.programsInPath([])
objgraph._present_graph('foo.dot')
self.assertOutput("Graph viewer (xdot) and image renderer (dot)"
" not found, not doing anything else\n")
def test_present_dot(self):
objgraph._present_graph('foo.dot', 'foo.dot')
self.assertOutput("")