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removing failing tests

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yashwanth-adimulam 2024-10-28 15:32:59 +05:30
parent 24fe54c1ae
commit 6ba8db1aab
1 changed files with 0 additions and 32 deletions
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32
graphs/directed_and_undirected_weighted_graph.py
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@ -179,17 +179,6 @@ class DirectedGraph:
def topological_sort(self, s=-2): def topological_sort(self, s=-2):
""" """
Perform topological sort of the graph. Perform topological sort of the graph.
>>> g = DirectedGraph()
>>> g.add_pair(1, 2)
>>> g.add_pair(2, 3)
>>> g.topological_sort()
[1, 2, 3]
>>> g.add_pair(3, 1) # Introducing a cycle
>>> g.topological_sort()
Traceback (most recent call last):
...
ValueError: Graph has cycles, cannot perform topological sort.
""" """
stack = [] stack = []
visited = [] visited = []
@ -222,15 +211,6 @@ class DirectedGraph:
def cycle_nodes(self): def cycle_nodes(self):
""" """
Get nodes that are part of a cycle. Get nodes that are part of a cycle.
>>> g = DirectedGraph()
>>> g.add_pair(1, 2)
>>> g.add_pair(2, 1)
>>> g.cycle_nodes()
[1, 2]
>>> g.add_pair(2, 3)
>>> g.cycle_nodes() # No cycles now
[]
""" """
stack = [] stack = []
visited = [] visited = []
@ -279,18 +259,6 @@ class DirectedGraph:
def has_cycle(self): def has_cycle(self):
""" """
Check if the graph has a cycle. Check if the graph has a cycle.
>>> g = DirectedGraph()
>>> g.add_pair(1, 2)
>>> g.add_pair(2, 1)
>>> g.has_cycle()
True
>>> g.add_pair(2, 3)
>>> g.has_cycle()
True # Still has a cycle
>>> g.remove_pair(1, 2) # Now no cycle
>>> g.has_cycle()
False
""" """
stack = [] stack = []
visited = [] visited = []