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110 lines
3.4 KiB
Python
110 lines
3.4 KiB
Python
# Created By: Virgil Dupras
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# Created On: 2010-02-12
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# Copyright 2014 Hardcoded Software (http://www.hardcoded.net)
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#
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# This software is licensed under the "BSD" License as described in the "LICENSE" file,
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# which should be included with this package. The terms are also available at
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# http://www.hardcoded.net/licenses/bsd_license
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from ..testutil import eq_
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from ..gui.tree import Tree, Node
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def tree_with_some_nodes():
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t = Tree()
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t.append(Node('foo'))
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t.append(Node('bar'))
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t.append(Node('baz'))
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t[0].append(Node('sub1'))
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t[0].append(Node('sub2'))
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return t
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def test_selection():
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t = tree_with_some_nodes()
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assert t.selected_node is None
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eq_(t.selected_nodes, [])
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assert t.selected_path is None
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eq_(t.selected_paths, [])
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def test_select_one_node():
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t = tree_with_some_nodes()
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t.selected_node = t[0][0]
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assert t.selected_node is t[0][0]
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eq_(t.selected_nodes, [t[0][0]])
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eq_(t.selected_path, [0, 0])
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eq_(t.selected_paths, [[0, 0]])
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def test_select_one_path():
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t = tree_with_some_nodes()
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t.selected_path = [0, 1]
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assert t.selected_node is t[0][1]
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def test_select_multiple_nodes():
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t = tree_with_some_nodes()
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t.selected_nodes = [t[0], t[1]]
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eq_(t.selected_paths, [[0], [1]])
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def test_select_multiple_paths():
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t = tree_with_some_nodes()
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t.selected_paths = [[0], [1]]
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eq_(t.selected_nodes, [t[0], t[1]])
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def test_select_none_path():
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# setting selected_path to None clears the selection
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t = Tree()
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t.selected_path = None
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assert t.selected_path is None
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def test_select_none_node():
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# setting selected_node to None clears the selection
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t = Tree()
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t.selected_node = None
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eq_(t.selected_nodes, [])
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def test_clear_removes_selection():
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# When clearing a tree, we want to clear the selection as well or else we end up with a crash
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# when calling selected_paths.
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t = tree_with_some_nodes()
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t.selected_path = [0]
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t.clear()
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assert t.selected_node is None
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def test_selection_override():
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# All selection changed pass through the _select_node() method so it's easy for subclasses to
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# customize the tree's behavior.
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class MyTree(Tree):
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called = False
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def _select_nodes(self, nodes):
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self.called = True
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t = MyTree()
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t.selected_paths = []
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assert t.called
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t.called = False
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t.selected_node = None
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assert t.called
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def test_findall():
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t = tree_with_some_nodes()
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r = t.findall(lambda n: n.name.startswith('sub'))
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eq_(set(r), set([t[0][0], t[0][1]]))
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def test_findall_dont_include_self():
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# When calling findall with include_self=False, the node itself is never evaluated.
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t = tree_with_some_nodes()
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del t._name # so that if the predicate is called on `t`, we crash
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r = t.findall(lambda n: not n.name.startswith('sub'), include_self=False) # no crash
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eq_(set(r), set([t[0], t[1], t[2]]))
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def test_find_dont_include_self():
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# When calling find with include_self=False, the node itself is never evaluated.
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t = tree_with_some_nodes()
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del t._name # so that if the predicate is called on `t`, we crash
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r = t.find(lambda n: not n.name.startswith('sub'), include_self=False) # no crash
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assert r is t[0]
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def test_find_none():
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# when find() yields no result, return None
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t = Tree()
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assert t.find(lambda n: False) is None # no StopIteration exception
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