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135 lines
6.4 KiB
Python
135 lines
6.4 KiB
Python
import pytest
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import textual.css.tokenizer
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from textual.css.tokenize import tokenize
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from textual.css.tokenizer import Token, TokenizeError
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VALID_VARIABLE_NAMES = [
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"warning-text",
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"warning_text",
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"warningtext1",
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"1warningtext",
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"WarningText1",
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"warningtext_",
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"warningtext-",
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"_warningtext",
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"-warningtext",
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]
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@pytest.mark.parametrize("name", VALID_VARIABLE_NAMES)
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def test_variable_declaration_valid_names(name):
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css = f"${name}: black on red;"
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assert list(tokenize(css, "")) == [
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Token(
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name="variable_name", value=f"${name}:", path="", code=css, location=(0, 0)
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),
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Token(name="whitespace", value=" ", path="", code=css, location=(0, 14)),
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Token(name="variable_value", value="black on red", path="", code=css, location=(0, 15)),
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Token(name="variable_value_end", value=";", path="", code=css, location=(0, 27)),
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]
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def test_variable_declaration_comment_ignored():
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css = "$x: red; /* comment */"
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assert list(tokenize(css, "")) == [
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Token(name='variable_name', value='$x:', path='', code=css, location=(0, 0)),
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Token(name='whitespace', value=' ', path='', code=css, location=(0, 3)),
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Token(name='variable_value', value='red', path='', code=css, location=(0, 4)),
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Token(name='variable_value_end', value=';', path='', code=css, location=(0, 7)),
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Token(name='whitespace', value=' ', path='', code=css, location=(0, 8)),
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]
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def test_variable_declaration_comment_interspersed_raises():
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css = "$x: re/* comment */d;"
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with pytest.raises(TokenizeError):
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assert list(tokenize(css, ""))
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def test_variable_declaration_invalid_value_eof():
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css = "$x:\n"
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with pytest.raises(textual.css.tokenizer.EOFError):
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list(tokenize(css, ""))
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def test_variable_declaration_no_semicolon():
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css = "$x: 1\n$y: 2"
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assert list(tokenize(css, "")) == [
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Token(name="variable_name", value="$x:", code=css, path="", location=(0, 0)),
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Token(name="whitespace", value=" ", code=css, path="", location=(0, 3)),
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Token(name="variable_value", value="1", code=css, path="", location=(0, 4)),
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Token(name="variable_value_end", value="\n", code=css, path="", location=(0, 5)),
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Token(name="variable_name", value="$y:", code=css, path="", location=(1, 0)),
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Token(name="whitespace", value=" ", code=css, path="", location=(1, 3)),
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Token(name="variable_value", value="2", code=css, path="", location=(1, 4)),
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]
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def test_variables_declarations_amongst_rulesets():
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css = "$x:1; .thing{text:red;} $y:2;"
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assert list(tokenize(css, "")) == [
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Token(name='variable_name', value='$x:', path='', code=css, location=(0, 0)),
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Token(name='variable_value', value='1', path='', code=css, location=(0, 3)),
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Token(name='variable_value_end', value=';', path='', code=css, location=(0, 4)),
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Token(name='whitespace', value=' ', path='', code=css, location=(0, 5)),
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Token(name='selector_start_class', value='.thing', path='', code=css, location=(0, 6)),
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Token(name='declaration_set_start', value='{', path='', code=css, location=(0, 12)),
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Token(name='declaration_name', value='text:', path='', code=css, location=(0, 13)),
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Token(name='token', value='red', path='', code=css, location=(0, 18)),
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Token(name='declaration_end', value=';', path='', code=css, location=(0, 21)),
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Token(name='declaration_set_end', value='}', path='', code=css, location=(0, 22)),
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Token(name='whitespace', value=' ', path='', code=css, location=(0, 23)),
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Token(name='variable_name', value='$y:', path='', code=css, location=(0, 24)),
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Token(name='variable_value', value='2', path='', code=css, location=(0, 27)),
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Token(name='variable_value_end', value=';', path='', code=css, location=(0, 28)),
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]
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def test_variables_reference_in_rule_declaration_value():
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css = ".warn{text: $warning;}"
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assert list(tokenize(css, "")) == [
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Token(name='selector_start_class', value='.warn', path='', code=css, location=(0, 0)),
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Token(name='declaration_set_start', value='{', path='', code=css, location=(0, 5)),
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Token(name='declaration_name', value='text:', path='', code=css, location=(0, 6)),
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Token(name='whitespace', value=' ', path='', code=css, location=(0, 11)),
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Token(name='variable_ref', value='$warning', path='', code=css, location=(0, 12)),
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Token(name='declaration_end', value=';', path='', code=css, location=(0, 20)),
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Token(name='declaration_set_end', value='}', path='', code=css, location=(0, 21)),
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]
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def test_variables_reference_in_rule_declaration_value_multiple():
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css = ".card{padding: $pad-y $pad-x;}"
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assert list(tokenize(css, "")) == [
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Token(name='selector_start_class', value='.card', path='', code=css, location=(0, 0)),
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Token(name='declaration_set_start', value='{', path='', code=css, location=(0, 5)),
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Token(name='declaration_name', value='padding:', path='', code=css, location=(0, 6)),
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Token(name='whitespace', value=' ', path='', code=css, location=(0, 14)),
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Token(name='variable_ref', value='$pad-y', path='', code=css, location=(0, 15)),
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Token(name='whitespace', value=' ', path='', code=css, location=(0, 21)),
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Token(name='variable_ref', value='$pad-x', path='', code=css, location=(0, 22)),
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Token(name='declaration_end', value=';', path='', code=css, location=(0, 28)),
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Token(name='declaration_set_end', value='}', path='', code=css, location=(0, 29)),
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]
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def test_variables_reference_in_variable_declaration():
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css = "$x: $y;"
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assert list(tokenize(css, "")) == [
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Token(name='variable_name', value='$x:', path='', code=css, location=(0, 0)),
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Token(name='whitespace', value=' ', path='', code=css, location=(0, 3)),
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Token(name='variable_value', value='$y', path='', code=css, location=(0, 4)),
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Token(name='variable_value_end', value=';', path='', code=css, location=(0, 6)),
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]
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def test_variable_references_in_variable_declaration_multiple():
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css = "$x: $y $z\n"
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assert list(tokenize(css, "")) == [
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Token(name='variable_name', value='$x:', path='', code=css, location=(0, 0)),
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Token(name='whitespace', value=' ', path='', code=css, location=(0, 3)),
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Token(name='variable_value', value='$y $z', path='', code=css, location=(0, 4)),
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Token(name='variable_value_end', value='\n', path='', code=css, location=(0, 10)),
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]
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