| from __future__ import annotations |
|
|
| import pytest |
|
|
| from textual.css.tokenize import tokenize |
| from textual.css.tokenizer import Token, TokenError |
|
|
| VALID_VARIABLE_NAMES = [ |
| "warning-text", |
| "warning_text", |
| "warningtext1", |
| "1warningtext", |
| "WarningText1", |
| "warningtext_", |
| "warningtext-", |
| "_warningtext", |
| "-warningtext", |
| ] |
|
|
|
|
| @pytest.mark.parametrize("name", VALID_VARIABLE_NAMES) |
| def test_variable_declaration_valid_names(name): |
| css = f"${name}: black on red;" |
| assert list(tokenize(css, "")) == [ |
| Token( |
| name="variable_name", |
| value=f"${name}:", |
| path="", |
| code=css, |
| location=(0, 0), |
| referenced_by=None, |
| ), |
| Token( |
| name="whitespace", |
| value=" ", |
| path="", |
| code=css, |
| location=(0, 14), |
| referenced_by=None, |
| ), |
| Token( |
| name="token", |
| value="black", |
| path="", |
| code=css, |
| location=(0, 15), |
| referenced_by=None, |
| ), |
| Token( |
| name="whitespace", |
| value=" ", |
| path="", |
| code=css, |
| location=(0, 20), |
| referenced_by=None, |
| ), |
| Token( |
| name="token", |
| value="on", |
| path="", |
| code=css, |
| location=(0, 21), |
| referenced_by=None, |
| ), |
| Token( |
| name="whitespace", |
| value=" ", |
| path="", |
| code=css, |
| location=(0, 23), |
| referenced_by=None, |
| ), |
| Token( |
| name="token", |
| value="red", |
| path="", |
| code=css, |
| location=(0, 24), |
| referenced_by=None, |
| ), |
| Token( |
| name="variable_value_end", |
| value=";", |
| path="", |
| code=css, |
| location=(0, 27), |
| referenced_by=None, |
| ), |
| ] |
|
|
|
|
| def test_variable_declaration_multiple_values(): |
| css = "$x: 2vw\t4% 6s red;" |
| assert list(tokenize(css, "")) == [ |
| Token( |
| name="variable_name", |
| value="$x:", |
| path="", |
| code=css, |
| location=(0, 0), |
| referenced_by=None, |
| ), |
| Token( |
| name="whitespace", |
| value=" ", |
| path="", |
| code=css, |
| location=(0, 3), |
| referenced_by=None, |
| ), |
| Token( |
| name="scalar", |
| value="2vw", |
| path="", |
| code=css, |
| location=(0, 4), |
| referenced_by=None, |
| ), |
| Token( |
| name="whitespace", |
| value="\t", |
| path="", |
| code=css, |
| location=(0, 7), |
| referenced_by=None, |
| ), |
| Token( |
| name="scalar", |
| value="4%", |
| path="", |
| code=css, |
| location=(0, 8), |
| referenced_by=None, |
| ), |
| Token( |
| name="whitespace", |
| value=" ", |
| path="", |
| code=css, |
| location=(0, 10), |
| referenced_by=None, |
| ), |
| Token( |
| name="duration", |
| value="6s", |
| path="", |
| code=css, |
| location=(0, 11), |
| referenced_by=None, |
| ), |
| Token( |
| name="whitespace", |
| value=" ", |
| path="", |
| code=css, |
| location=(0, 13), |
| referenced_by=None, |
| ), |
| Token( |
| name="token", |
| value="red", |
| path="", |
| code=css, |
| location=(0, 15), |
| referenced_by=None, |
| ), |
| Token( |
| name="variable_value_end", |
| value=";", |
| path="", |
| code=css, |
| location=(0, 18), |
| referenced_by=None, |
| ), |
| ] |
|
|
|
|
| def test_variable_declaration_comment_ignored(): |
| css = "$x: red; /* comment */" |
| assert list(tokenize(css, "")) == [ |
| Token( |
| name="variable_name", |
| value="$x:", |
| path="", |
| code=css, |
| location=(0, 0), |
| referenced_by=None, |
| ), |
| Token( |
| name="whitespace", |
| value=" ", |
| path="", |
| code=css, |
| location=(0, 3), |
| referenced_by=None, |
| ), |
| Token( |
| name="token", |
| value="red", |
| path="", |
| code=css, |
| location=(0, 4), |
| referenced_by=None, |
| ), |
| Token( |
| name="variable_value_end", |
| value=";", |
| path="", |
| code=css, |
| location=(0, 7), |
| referenced_by=None, |
| ), |
| Token( |
| name="whitespace", |
| value=" ", |
| path="", |
| code=css, |
| location=(0, 8), |
| referenced_by=None, |
| ), |
| ] |
|
|
|
|
| def test_variable_declaration_comment_interspersed_ignored(): |
| css = "$x: re/* comment */d;" |
| assert list(tokenize(css, "")) == [ |
| Token( |
| name="variable_name", |
| value="$x:", |
| path="", |
| code=css, |
| location=(0, 0), |
| referenced_by=None, |
| ), |
| Token( |
| name="whitespace", |
| value=" ", |
| path="", |
| code=css, |
| location=(0, 3), |
| referenced_by=None, |
| ), |
| Token( |
| name="token", |
| value="re", |
| path="", |
| code=css, |
| location=(0, 4), |
| referenced_by=None, |
| ), |
| Token( |
| name="token", |
| value="d", |
| path="", |
| code=css, |
| location=(0, 19), |
| referenced_by=None, |
| ), |
| Token( |
| name="variable_value_end", |
| value=";", |
| path="", |
| code=css, |
| location=(0, 20), |
| referenced_by=None, |
| ), |
| ] |
|
|
|
|
| def test_variable_declaration_no_semicolon(): |
| css = "$x: 1\n$y: 2" |
| assert list(tokenize(css, "")) == [ |
| Token( |
| name="variable_name", |
| value="$x:", |
| path="", |
| code=css, |
| location=(0, 0), |
| referenced_by=None, |
| ), |
| Token( |
| name="whitespace", |
| value=" ", |
| path="", |
| code=css, |
| location=(0, 3), |
| referenced_by=None, |
| ), |
| Token( |
| name="number", |
| value="1", |
| path="", |
| code=css, |
| location=(0, 4), |
| referenced_by=None, |
| ), |
| Token( |
| name="variable_value_end", |
| value="\n", |
| path="", |
| code=css, |
| location=(0, 5), |
| referenced_by=None, |
| ), |
| Token( |
| name="variable_name", |
| value="$y:", |
| path="", |
| code=css, |
| location=(1, 0), |
| referenced_by=None, |
| ), |
| Token( |
| name="whitespace", |
| value=" ", |
| path="", |
| code=css, |
| location=(1, 3), |
| referenced_by=None, |
| ), |
| Token( |
| name="number", |
| value="2", |
| path="", |
| code=css, |
| location=(1, 4), |
| referenced_by=None, |
| ), |
| ] |
|
|
|
|
| def test_variable_declaration_invalid_value(): |
| css = "$x:(@$12x)" |
| with pytest.raises(TokenError): |
| list(tokenize(css, "")) |
|
|
|
|
| def test_variables_declarations_amongst_rulesets(): |
| css = "$x:1; .thing{text:red;} $y:2;" |
| tokens = list(tokenize(css, "")) |
| assert tokens == [ |
| Token( |
| name="variable_name", |
| value="$x:", |
| path="", |
| code=css, |
| location=(0, 0), |
| referenced_by=None, |
| ), |
| Token( |
| name="number", |
| value="1", |
| path="", |
| code=css, |
| location=(0, 3), |
| referenced_by=None, |
| ), |
| Token( |
| name="variable_value_end", |
| value=";", |
| path="", |
| code=css, |
| location=(0, 4), |
| referenced_by=None, |
| ), |
| Token( |
| name="whitespace", |
| value=" ", |
| path="", |
| code=css, |
| location=(0, 5), |
| referenced_by=None, |
| ), |
| Token( |
| name="selector_start_class", |
| value=".thing", |
| path="", |
| code=css, |
| location=(0, 6), |
| referenced_by=None, |
| ), |
| Token( |
| name="declaration_set_start", |
| value="{", |
| path="", |
| code=css, |
| location=(0, 12), |
| referenced_by=None, |
| ), |
| Token( |
| name="declaration_name", |
| value="text:", |
| path="", |
| code=css, |
| location=(0, 13), |
| referenced_by=None, |
| ), |
| Token( |
| name="token", |
| value="red", |
| path="", |
| code=css, |
| location=(0, 18), |
| referenced_by=None, |
| ), |
| Token( |
| name="declaration_end", |
| value=";", |
| path="", |
| code=css, |
| location=(0, 21), |
| referenced_by=None, |
| ), |
| Token( |
| name="declaration_set_end", |
| value="}", |
| path="", |
| code=css, |
| location=(0, 22), |
| referenced_by=None, |
| ), |
| Token( |
| name="whitespace", |
| value=" ", |
| path="", |
| code=css, |
| location=(0, 23), |
| referenced_by=None, |
| ), |
| Token( |
| name="variable_name", |
| value="$y:", |
| path="", |
| code=css, |
| location=(0, 24), |
| referenced_by=None, |
| ), |
| Token( |
| name="number", |
| value="2", |
| path="", |
| code=css, |
| location=(0, 27), |
| referenced_by=None, |
| ), |
| Token( |
| name="variable_value_end", |
| value=";", |
| path="", |
| code=css, |
| location=(0, 28), |
| referenced_by=None, |
| ), |
| ] |
|
|
|
|
| def test_variables_reference_in_rule_declaration_value(): |
| css = ".warn{text: $warning;}" |
| assert list(tokenize(css, "")) == [ |
| Token( |
| name="selector_start_class", |
| value=".warn", |
| path="", |
| code=css, |
| location=(0, 0), |
| referenced_by=None, |
| ), |
| Token( |
| name="declaration_set_start", |
| value="{", |
| path="", |
| code=css, |
| location=(0, 5), |
| referenced_by=None, |
| ), |
| Token( |
| name="declaration_name", |
| value="text:", |
| path="", |
| code=css, |
| location=(0, 6), |
| referenced_by=None, |
| ), |
| Token( |
| name="whitespace", |
| value=" ", |
| path="", |
| code=css, |
| location=(0, 11), |
| referenced_by=None, |
| ), |
| Token( |
| name="variable_ref", |
| value="$warning", |
| path="", |
| code=css, |
| location=(0, 12), |
| referenced_by=None, |
| ), |
| Token( |
| name="declaration_end", |
| value=";", |
| path="", |
| code=css, |
| location=(0, 20), |
| referenced_by=None, |
| ), |
| Token( |
| name="declaration_set_end", |
| value="}", |
| path="", |
| code=css, |
| location=(0, 21), |
| referenced_by=None, |
| ), |
| ] |
|
|
|
|
| def test_variables_reference_in_rule_declaration_value_multiple(): |
| css = ".card{padding: $pad-y $pad-x;}" |
| assert list(tokenize(css, "")) == [ |
| Token( |
| name="selector_start_class", |
| value=".card", |
| path="", |
| code=css, |
| location=(0, 0), |
| referenced_by=None, |
| ), |
| Token( |
| name="declaration_set_start", |
| value="{", |
| path="", |
| code=css, |
| location=(0, 5), |
| referenced_by=None, |
| ), |
| Token( |
| name="declaration_name", |
| value="padding:", |
| path="", |
| code=css, |
| location=(0, 6), |
| referenced_by=None, |
| ), |
| Token( |
| name="whitespace", |
| value=" ", |
| path="", |
| code=css, |
| location=(0, 14), |
| referenced_by=None, |
| ), |
| Token( |
| name="variable_ref", |
| value="$pad-y", |
| path="", |
| code=css, |
| location=(0, 15), |
| referenced_by=None, |
| ), |
| Token( |
| name="whitespace", |
| value=" ", |
| path="", |
| code=css, |
| location=(0, 21), |
| referenced_by=None, |
| ), |
| Token( |
| name="variable_ref", |
| value="$pad-x", |
| path="", |
| code=css, |
| location=(0, 22), |
| referenced_by=None, |
| ), |
| Token( |
| name="declaration_end", |
| value=";", |
| path="", |
| code=css, |
| location=(0, 28), |
| referenced_by=None, |
| ), |
| Token( |
| name="declaration_set_end", |
| value="}", |
| path="", |
| code=css, |
| location=(0, 29), |
| referenced_by=None, |
| ), |
| ] |
|
|
|
|
| def test_variables_reference_in_variable_declaration(): |
| css = "$x: $y;" |
| assert list(tokenize(css, "")) == [ |
| Token( |
| name="variable_name", |
| value="$x:", |
| path="", |
| code=css, |
| location=(0, 0), |
| referenced_by=None, |
| ), |
| Token( |
| name="whitespace", |
| value=" ", |
| path="", |
| code=css, |
| location=(0, 3), |
| referenced_by=None, |
| ), |
| Token( |
| name="variable_ref", |
| value="$y", |
| path="", |
| code=css, |
| location=(0, 4), |
| referenced_by=None, |
| ), |
| Token( |
| name="variable_value_end", |
| value=";", |
| path="", |
| code=css, |
| location=(0, 6), |
| referenced_by=None, |
| ), |
| ] |
|
|
|
|
| def test_variable_references_in_variable_declaration_multiple(): |
| css = "$x: $y $z\n" |
| assert list(tokenize(css, "")) == [ |
| Token( |
| name="variable_name", |
| value="$x:", |
| path="", |
| code=css, |
| location=(0, 0), |
| referenced_by=None, |
| ), |
| Token( |
| name="whitespace", |
| value=" ", |
| path="", |
| code=css, |
| location=(0, 3), |
| referenced_by=None, |
| ), |
| Token( |
| name="variable_ref", |
| value="$y", |
| path="", |
| code=css, |
| location=(0, 4), |
| referenced_by=None, |
| ), |
| Token( |
| name="whitespace", |
| value=" ", |
| path="", |
| code=css, |
| location=(0, 6), |
| referenced_by=None, |
| ), |
| Token( |
| name="variable_ref", |
| value="$z", |
| path="", |
| code=css, |
| location=(0, 8), |
| referenced_by=None, |
| ), |
| Token( |
| name="variable_value_end", |
| value="\n", |
| path="", |
| code=css, |
| location=(0, 10), |
| referenced_by=None, |
| ), |
| ] |
|
|
|
|
| def test_allow_new_lines(): |
| css = ".foo{margin: 1\n1 0 0}" |
| tokens = list(tokenize(css, "")) |
| print(repr(tokens)) |
| expected = [ |
| Token( |
| name="selector_start_class", |
| value=".foo", |
| path="", |
| code=".foo{margin: 1\n1 0 0}", |
| location=(0, 0), |
| ), |
| Token( |
| name="declaration_set_start", |
| value="{", |
| path="", |
| code=".foo{margin: 1\n1 0 0}", |
| location=(0, 4), |
| ), |
| Token( |
| name="declaration_name", |
| value="margin:", |
| path="", |
| code=".foo{margin: 1\n1 0 0}", |
| location=(0, 5), |
| ), |
| Token( |
| name="whitespace", |
| value=" ", |
| path="", |
| code=".foo{margin: 1\n1 0 0}", |
| location=(0, 12), |
| ), |
| Token( |
| name="number", |
| value="1", |
| path="", |
| code=".foo{margin: 1\n1 0 0}", |
| location=(0, 13), |
| ), |
| Token( |
| name="whitespace", |
| value="\n", |
| path="", |
| code=".foo{margin: 1\n1 0 0}", |
| location=(0, 14), |
| ), |
| Token( |
| name="number", |
| value="1", |
| path="", |
| code=".foo{margin: 1\n1 0 0}", |
| location=(1, 0), |
| ), |
| Token( |
| name="whitespace", |
| value=" ", |
| path="", |
| code=".foo{margin: 1\n1 0 0}", |
| location=(1, 1), |
| ), |
| Token( |
| name="number", |
| value="0", |
| path="", |
| code=".foo{margin: 1\n1 0 0}", |
| location=(1, 2), |
| ), |
| Token( |
| name="whitespace", |
| value=" ", |
| path="", |
| code=".foo{margin: 1\n1 0 0}", |
| location=(1, 3), |
| ), |
| Token( |
| name="number", |
| value="0", |
| path="", |
| code=".foo{margin: 1\n1 0 0}", |
| location=(1, 4), |
| ), |
| Token( |
| name="declaration_set_end", |
| value="}", |
| path="", |
| code=".foo{margin: 1\n1 0 0}", |
| location=(1, 5), |
| ), |
| ] |
| assert list(tokenize(css, "")) == expected |
|
|
