mirror of
https://github.com/Textualize/textual.git
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145 lines
3.4 KiB
Python
145 lines
3.4 KiB
Python
import pytest
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from textual.css.errors import StyleValueError
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from textual.dom import DOMNode, BadIdentifier
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def test_display_default():
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node = DOMNode()
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assert node.display is True
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@pytest.mark.parametrize(
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"setter_value,style_value",
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[[True, "block"], [False, "none"], ["block", "block"], ["none", "none"]],
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)
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def test_display_set_bool(setter_value, style_value):
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node = DOMNode()
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node.display = setter_value
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assert node.styles.display == style_value
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def test_display_set_invalid_value():
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node = DOMNode()
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with pytest.raises(StyleValueError):
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node.display = "blah"
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def test_validate():
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with pytest.raises(BadIdentifier):
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DOMNode(id="23")
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with pytest.raises(BadIdentifier):
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DOMNode(id=".3")
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with pytest.raises(BadIdentifier):
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DOMNode(classes="+2323")
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with pytest.raises(BadIdentifier):
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DOMNode(classes="foo 22")
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node = DOMNode()
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node.add_class("foo")
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with pytest.raises(BadIdentifier):
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node.add_class("1")
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with pytest.raises(BadIdentifier):
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node.remove_class("1")
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with pytest.raises(BadIdentifier):
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node.toggle_class("1")
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def test_get_default_css():
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class A(DOMNode):
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pass
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class B(A):
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pass
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class C(B):
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DEFAULT_CSS = "C"
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class D(C):
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pass
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class E(D):
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DEFAULT_CSS = "E"
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node = DOMNode()
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node_css = node.get_default_css()
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a = A()
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a_css = a.get_default_css()
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b = B()
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b_css = b.get_default_css()
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c = C()
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c_css = c.get_default_css()
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d = D()
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d_css = d.get_default_css()
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e = E()
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e_css = e.get_default_css()
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# Descendants that don't assign to DEFAULT_CSS don't add new CSS to the stack.
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assert len(node_css) == len(a_css) == len(b_css) == 0
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assert len(c_css) == len(d_css) == 1
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assert len(e_css) == 2
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# Descendants do push the priority of the ancestors' rules down.
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assert c_css[0][2] == d_css[0][2] + 1 == 0
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# The CSS on the stack is the correct one.
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assert e_css[0][1:] == ("E", 0)
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assert e_css[1][1:] == ("C", -2)
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@pytest.fixture
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def search():
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"""
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a
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/ \
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b c
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/ / \
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d e f
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"""
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a = DOMNode(id="a")
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b = DOMNode(id="b")
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c = DOMNode(id="c")
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d = DOMNode(id="d")
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e = DOMNode(id="e")
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f = DOMNode(id="f")
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a._add_child(b)
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a._add_child(c)
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b._add_child(d)
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c._add_child(e)
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c._add_child(f)
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yield a
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def test_walk_children_depth(search):
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children = [
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node.id for node in search.walk_children(method="depth", with_self=False)
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]
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assert children == ["b", "d", "c", "e", "f"]
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def test_walk_children_with_self_depth(search):
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children = [
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node.id for node in search.walk_children(method="depth", with_self=True)
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]
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assert children == ["a", "b", "d", "c", "e", "f"]
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def test_walk_children_breadth(search):
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children = [
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node.id for node in search.walk_children(with_self=False, method="breadth")
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]
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print(children)
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assert children == ["b", "c", "d", "e", "f"]
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def test_walk_children_with_self_breadth(search):
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children = [
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node.id for node in search.walk_children(with_self=True, method="breadth")
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]
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print(children)
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assert children == ["a", "b", "c", "d", "e", "f"]
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children = [
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node.id
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for node in search.walk_children(with_self=True, method="breadth", reverse=True)
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]
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assert children == ["f", "e", "d", "c", "b", "a"]
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