def test_topological(self):
expected = ('START', 'A', 'B', 'C', 'E', 'D', 'F', 'END')
p = Project('testproject.txt')
p.earliest()
p.latest()
for i, t in enumerate(p.topological()):
#print "%s, %s" % (t.name, expected[i])
self.assertEqual(t.name, expected[i])
def test_critical(self):
'''
The critical path function will return one critical path.
This path is expected with the testproject.txt-file.
name : START, ea: 0, la: 0, dur: 0
name : A, ea: 0, la: 0, dur: 3
name : D, ea: 3, la: 3, dur: 1
name : F, ea: 4, la: 4, dur: 3
name : END, ea: 7, la: 7, dur: 0
'''
expected = ('START', 'A', 'D', 'F', 'END')
p = Project('testproject.txt')
p.earliest()
p.latest()
path = p.critical()
for i, t in enumerate(path):
#print "name : %s, ea: %s, la: %s, dur: %s" % \
#(t.name, t.earliest_start, t.latest_start, t.duration)
self.assertEqual(t.name, expected[i])
def test_latest(self):
expected = (
('START', 0),
('A', 0),
('B', 0),
('C', 4),
('D', 3),
('E', 5),
('F', 4),
('END', 7),
)
p = Project('testproject.txt')
p.earliest(debug=False)
tree = p.latest(debug=False)
for name, latest_start in expected:
self.assertEqual(tree[name].latest_start, latest_start)
