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Error handling

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This commit is contained in:
Darren Burns
2022-02-04 11:43:35 +00:00
parent d50e2e1b0d
commit bb8b4e89d3
7 changed files with 215 additions and 180 deletions
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150
tests/css/test_tokenize.py
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@@ -20,65 +20,65 @@ 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_at=None),
Token(name='whitespace', value=' ', path='', code=css, location=(0, 14), referenced_at=None),
Token(name='token', value='black', path='', code=css, location=(0, 15), referenced_at=None),
Token(name='whitespace', value=' ', path='', code=css, location=(0, 20), referenced_at=None),
Token(name='token', value='on', path='', code=css, location=(0, 21), referenced_at=None),
Token(name='whitespace', value=' ', path='', code=css, location=(0, 23), referenced_at=None),
Token(name='token', value='red', path='', code=css, location=(0, 24), referenced_at=None),
Token(name='variable_value_end', value=';', path='', code=css, location=(0, 27), referenced_at=None),
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='$x:', path='', code=css, location=(0, 0), referenced_at=None),
Token(name='whitespace', value=' ', path='', code=css, location=(0, 3), referenced_at=None),
Token(name='scalar', value='2vw', path='', code=css, location=(0, 4), referenced_at=None),
Token(name='whitespace', value='\t', path='', code=css, location=(0, 7), referenced_at=None),
Token(name='scalar', value='4%', path='', code=css, location=(0, 8), referenced_at=None),
Token(name='whitespace', value=' ', path='', code=css, location=(0, 10), referenced_at=None),
Token(name='duration', value='6s', path='', code=css, location=(0, 11), referenced_at=None),
Token(name='whitespace', value=' ', path='', code=css, location=(0, 13), referenced_at=None),
Token(name='token', value='red', path='', code=css, location=(0, 15), referenced_at=None),
Token(name='variable_value_end', value=';', path='', code=css, location=(0, 18), referenced_at=None),
Token(name='variable_name', value='$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_at=None),
Token(name='whitespace', value=' ', path='', code=css, location=(0, 3), referenced_at=None),
Token(name='token', value='red', path='', code=css, location=(0, 4), referenced_at=None),
Token(name='variable_value_end', value=';', path='', code=css, location=(0, 7), referenced_at=None),
Token(name='whitespace', value=' ', path='', code=css, location=(0, 8), referenced_at=None),
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='$x:', path='', code=css, location=(0, 0), referenced_at=None),
Token(name='whitespace', value=' ', path='', code=css, location=(0, 3), referenced_at=None),
Token(name='token', value='re', path='', code=css, location=(0, 4), referenced_at=None),
Token(name='token', value='d', path='', code=css, location=(0, 19), referenced_at=None),
Token(name='variable_value_end', value=';', path='', code=css, location=(0, 20), referenced_at=None),
Token(name='variable_name', value='$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='$x:', path='', code=css, location=(0, 0), referenced_at=None),
Token(name='whitespace', value=' ', path='', code=css, location=(0, 3), referenced_at=None),
Token(name='number', value='1', path='', code=css, location=(0, 4), referenced_at=None),
Token(name='variable_value_end', value='\n', path='', code=css, location=(0, 5), referenced_at=None),
Token(name='variable_name', value='$y:', path='', code=css, location=(1, 0), referenced_at=None),
Token(name='whitespace', value=' ', path='', code=css, location=(1, 3), referenced_at=None),
Token(name='number', value='2', path='', code=css, location=(1, 4), referenced_at=None),
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),
]
@@ -92,68 +92,68 @@ 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_at=None),
Token(name='number', value='1', path='', code=css, location=(0, 3), referenced_at=None),
Token(name='variable_value_end', value=';', path='', code=css, location=(0, 4), referenced_at=None),
Token(name='whitespace', value=' ', path='', code=css, location=(0, 5), referenced_at=None),
Token(name='selector_start_class', value='.thing', path='', code=css, location=(0, 6), referenced_at=None),
Token(name='declaration_set_start', value='{', path='', code=css, location=(0, 12), referenced_at=None),
Token(name='declaration_name', value='text:', path='', code=css, location=(0, 13), referenced_at=None),
Token(name='token', value='red', path='', code=css, location=(0, 18), referenced_at=None),
Token(name='declaration_end', value=';', path='', code=css, location=(0, 21), referenced_at=None),
Token(name='declaration_set_end', value='}', path='', code=css, location=(0, 22), referenced_at=None),
Token(name='whitespace', value=' ', path='', code=css, location=(0, 23), referenced_at=None),
Token(name='variable_name', value='$y:', path='', code=css, location=(0, 24), referenced_at=None),
Token(name='number', value='2', path='', code=css, location=(0, 27), referenced_at=None),
Token(name='variable_value_end', value=';', path='', code=css, location=(0, 28), referenced_at=None),
Token(name='variable_name', value='$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: $warning;}"
assert list(tokenize(css, "")) == [
Token(name='selector_start_class', value='.warn', path='', code=css, location=(0, 0), referenced_at=None),
Token(name='declaration_set_start', value='{', path='', code=css, location=(0, 5), referenced_at=None),
Token(name='declaration_name', value='text:', path='', code=css, location=(0, 6), referenced_at=None),
Token(name='whitespace', value=' ', path='', code=css, location=(0, 11), referenced_at=None),
Token(name='variable_ref', value='$warning', path='', code=css, location=(0, 12), referenced_at=None),
Token(name='declaration_end', value=';', path='', code=css, location=(0, 20), referenced_at=None),
Token(name='declaration_set_end', value='}', path='', code=css, location=(0, 21), referenced_at=None),
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 $pad-x;}"
assert list(tokenize(css, "")) == [
Token(name='selector_start_class', value='.card', path='', code=css, location=(0, 0), referenced_at=None),
Token(name='declaration_set_start', value='{', path='', code=css, location=(0, 5), referenced_at=None),
Token(name='declaration_name', value='padding:', path='', code=css, location=(0, 6), referenced_at=None),
Token(name='whitespace', value=' ', path='', code=css, location=(0, 14), referenced_at=None),
Token(name='variable_ref', value='$pad-y', path='', code=css, location=(0, 15), referenced_at=None),
Token(name='whitespace', value=' ', path='', code=css, location=(0, 21), referenced_at=None),
Token(name='variable_ref', value='$pad-x', path='', code=css, location=(0, 22), referenced_at=None),
Token(name='declaration_end', value=';', path='', code=css, location=(0, 28), referenced_at=None),
Token(name='declaration_set_end', value='}', path='', code=css, location=(0, 29), referenced_at=None)
Token(name='selector_start_class', value='.card', path='', code=css, location=(0, 0), referenced_by=None),
Token(name='declaration_set_start', value='{', path='', code=css, location=(0, 5), referenced_by=None),
Token(name='declaration_name', value='padding:', path='', code=css, location=(0, 6), referenced_by=None),
Token(name='whitespace', value=' ', path='', code=css, location=(0, 14), referenced_by=None),
Token(name='variable_ref', value='$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_at=None),
Token(name='whitespace', value=' ', path='', code=css, location=(0, 3), referenced_at=None),
Token(name='variable_ref', value='$y', path='', code=css, location=(0, 4), referenced_at=None),
Token(name='variable_value_end', value=';', path='', code=css, location=(0, 6), referenced_at=None)
Token(name='variable_name', value='$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_at=None),
Token(name='whitespace', value=' ', path='', code=css, location=(0, 3), referenced_at=None),
Token(name='variable_ref', value='$y', path='', code=css, location=(0, 4), referenced_at=None),
Token(name='whitespace', value=' ', path='', code=css, location=(0, 6), referenced_at=None),
Token(name='variable_ref', value='$z', path='', code=css, location=(0, 8), referenced_at=None),
Token(name='variable_value_end', value='\n', path='', code=css, location=(0, 10), referenced_at=None)
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)
]