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After upgrading `pytest-asyncio` to the latest version, lots of tests started failing in CI only on Python 3.9: `RuntimeError: There is no current event loop in thread 'MainThread'` Apparently these tests may have only been passing previously due to issues in earlier versions of `pytest-asyncio`. Changing these tests to async seems to fix the failures on Python 3.9. Related issue: https://github.com/pytest-dev/pytest-asyncio/issues/1039
121 lines
4.6 KiB
Python
121 lines
4.6 KiB
Python
import pytest
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from textual.widgets import Tree
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from textual.widgets.tree import AddNodeError
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async def test_tree_node_add_before_and_after_raises_exception():
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tree = Tree[None]("root")
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with pytest.raises(AddNodeError):
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tree.root.add("error", before=99, after=0)
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async def test_tree_node_add_before_or_after_with_invalid_type_raises_exception():
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tree = Tree[None]("root")
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tree.root.add("node")
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with pytest.raises(TypeError):
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tree.root.add("before node", before="node")
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with pytest.raises(TypeError):
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tree.root.add("after node", after="node")
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async def test_tree_node_add_before_index():
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tree = Tree[None]("root")
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tree.root.add("node")
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tree.root.add("before node", before=0)
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tree.root.add("first", before=-99)
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tree.root.add("after first", before=-2)
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tree.root.add("last", before=99)
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tree.root.add("after node", before=4)
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tree.root.add("before last", before=-1)
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assert str(tree.root.children[0].label) == "first"
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assert str(tree.root.children[1].label) == "after first"
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assert str(tree.root.children[2].label) == "before node"
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assert str(tree.root.children[3].label) == "node"
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assert str(tree.root.children[4].label) == "after node"
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assert str(tree.root.children[5].label) == "before last"
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assert str(tree.root.children[6].label) == "last"
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async def test_tree_node_add_after_index():
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tree = Tree[None]("root")
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tree.root.add("node")
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tree.root.add("after node", after=0)
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tree.root.add("first", after=-99)
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tree.root.add("after first", after=-3)
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tree.root.add("before node", after=1)
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tree.root.add("before last", after=99)
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tree.root.add("last", after=-1)
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assert str(tree.root.children[0].label) == "first"
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assert str(tree.root.children[1].label) == "after first"
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assert str(tree.root.children[2].label) == "before node"
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assert str(tree.root.children[3].label) == "node"
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assert str(tree.root.children[4].label) == "after node"
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assert str(tree.root.children[5].label) == "before last"
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assert str(tree.root.children[6].label) == "last"
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async def test_tree_node_add_relative_to_unknown_node_raises_exception():
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tree = Tree[None]("root")
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removed_node = tree.root.add("removed node")
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removed_node.remove()
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with pytest.raises(AddNodeError):
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tree.root.add("node", before=removed_node)
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with pytest.raises(AddNodeError):
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tree.root.add("node", after=removed_node)
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async def test_tree_node_add_before_node():
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tree = Tree[None]("root")
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node = tree.root.add("node")
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before_node = tree.root.add("before node", before=node)
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tree.root.add("first", before=before_node)
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tree.root.add("after first", before=before_node)
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last = tree.root.add("last", before=4)
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before_last = tree.root.add("before last", before=last)
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tree.root.add("after node", before=before_last)
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assert str(tree.root.children[0].label) == "first"
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assert str(tree.root.children[1].label) == "after first"
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assert str(tree.root.children[2].label) == "before node"
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assert str(tree.root.children[3].label) == "node"
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assert str(tree.root.children[4].label) == "after node"
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assert str(tree.root.children[5].label) == "before last"
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assert str(tree.root.children[6].label) == "last"
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async def test_tree_node_add_after_node():
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tree = Tree[None]("root")
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node = tree.root.add("node")
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after_node = tree.root.add("after node", after=node)
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first = tree.root.add("first", after=-3)
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after_first = tree.root.add("after first", after=first)
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tree.root.add("before node", after=after_first)
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before_last = tree.root.add("before last", after=after_node)
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tree.root.add("last", after=before_last)
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assert str(tree.root.children[0].label) == "first"
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assert str(tree.root.children[1].label) == "after first"
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assert str(tree.root.children[2].label) == "before node"
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assert str(tree.root.children[3].label) == "node"
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assert str(tree.root.children[4].label) == "after node"
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assert str(tree.root.children[5].label) == "before last"
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assert str(tree.root.children[6].label) == "last"
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async def test_tree_node_add_leaf_before_or_after():
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tree = Tree[None]("root")
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leaf = tree.root.add_leaf("leaf")
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tree.root.add_leaf("before leaf", before=leaf)
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tree.root.add_leaf("after leaf", after=leaf)
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tree.root.add_leaf("first", before=0)
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tree.root.add_leaf("last", after=-1)
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assert str(tree.root.children[0].label) == "first"
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assert str(tree.root.children[1].label) == "before leaf"
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assert str(tree.root.children[2].label) == "leaf"
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assert str(tree.root.children[3].label) == "after leaf"
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assert str(tree.root.children[4].label) == "last"
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