grass/tests/args.rs
Connor Skees ffaee04613
rewrite parsing, evaluation, and serialization (#67)
Adds support for the indented syntax, plain CSS imports, `@forward`, and many other previously missing features.
2022-12-26 15:33:04 -05:00

354 lines
7.5 KiB
Rust

#[macro_use]
mod macros;
error!(
variable_after_varargs,
"@function foo($a..., $b) {\n @return $a;\n}\n", "Error: expected \")\"."
);
error!(
two_varargs,
"@function foo($a..., $b...) {\n @return $a;\n}\n", "Error: expected \")\"."
);
error!(
varargs_one_period,
"@function foo($a.) {\n @return $a;\n}\n", "Error: expected \".\"."
);
error!(
varargs_two_periods,
"@function foo($a..) {\n @return $a;\n}\n", "Error: expected \".\"."
);
test!(
mixin_varargs_are_comma_separated,
"@mixin foo($a...) {\n color: $a;\n}\n\na {\n @include foo(1, 2, 3, 4, 5);\n}\n",
"a {\n color: 1, 2, 3, 4, 5;\n}\n"
);
test!(
function_varargs_are_comma_separated,
"@function foo($a...) {\n @return $a;\n}\n\na {\n color: foo(1, 2, 3, 4, 5);\n}\n",
"a {\n color: 1, 2, 3, 4, 5;\n}\n"
);
test!(
default_args_are_lazily_evaluated,
"$da: a;\n\n@mixin foo($x: $da) {\n color: $x;\n}\n$da: b;\n\na {\n @include foo();\n}\n",
"a {\n color: b;\n}\n"
);
test!(
variable_being_subtracted,
"$index: 1;\n\n@function foo($a) {\n @return $a;\n}\n\na {\n color: foo($index - 1);\n}\n",
"a {\n color: 0;\n}\n"
);
test!(
parens_in_default_arg_value,
"@function foo($arg1: bar()) {\n @return true;\n}\n\na {\n color: foo();\n}\n",
"a {\n color: true;\n}\n"
);
test!(
self_referential_default_arg_value,
"@function foo($a, $b: $a) {\n @return $b;\n}\n\na {\n color: foo(2);\n}\n",
"a {\n color: 2;\n}\n"
);
test!(
arg_errors_are_lazy_for_if,
"a {\n color: if(false, unit(foo), red);\n}\n",
"a {\n color: red;\n}\n"
);
test!(
silent_comments_in_arg_with_default_val,
"@function foo($a//
://
red//
) {
@return $a;
}
a {
color: foo();
}",
"a {\n color: red;\n}\n"
);
error!(
nothing_after_open,
"a { color:rgb(; }", "Error: expected \")\"."
);
error!(
nothing_after_open_paren_in_fn_args,
"@function foo(", "Error: expected \")\"."
);
error!(
args_are_evaluated_eagerly,
"@function foo($a) {\n @return foo;\n}\n\na {\n color: foo(unit(bar));\n}\n",
"Error: $number: bar is not a number."
);
test!(
variable_is_only_hyphens,
"$--: red;
a {
color: foo($--);
}",
"a {\n color: foo(red);\n}\n"
);
test!(
no_space_after_colon_in_keyword_arg,
"@function foo($a) {
@return $a;
}
$b: red;
a {
color: foo($a:$b);
}",
"a {\n color: red;\n}\n"
);
test!(
comment_after_comma_in_func_args,
"@mixin a(
$foo,//foo
) {
color: $foo;
}
a {
@include a(red);
}",
"a {\n color: red;\n}\n"
);
test!(
filter_one_arg,
"a {\n color: foo(a=a);\n}\n",
"a {\n color: foo(a=a);\n}\n"
);
test!(
filter_two_args,
"a {\n color: foo(a=a, b=b);\n}\n",
"a {\n color: foo(a=a, b=b);\n}\n"
);
test!(
filter_whitespace,
"a {\n color: foo( a = a );\n}\n",
"a {\n color: foo(a=a);\n}\n"
);
test!(
filter_whitespace_list,
"a {\n color: foo( A a = a );\n}\n",
"a {\n color: foo(A a=a);\n}\n"
);
test!(
filter_function_call,
"a {\n color: foo(hue(green)=hue(green));\n}\n",
"a {\n color: foo(120deg=120deg);\n}\n"
);
test!(
filter_addition,
"a {\n color: foo(1+1=1+1);\n}\n",
"a {\n color: foo(2=2);\n}\n"
);
test!(
filter_splat_of_single_value,
"a {\n color: foo(a=a...);\n}\n",
"a {\n color: foo(a=a);\n}\n"
);
test!(
filter_splat_of_list,
"a {\n color: foo(a=[a, b]...);\n}\n",
"a {\n color: foo(a=[a, b]);\n}\n"
);
test!(
filter_both_null,
"a {\n color: foo(null=null);\n}\n",
"a {\n color: foo(=);\n}\n"
);
error!(
filter_splat_missing_third_period,
"a {\n color: foo(1 + 1 = a..);\n}\n", "Error: expected \".\"."
);
error!(
filter_invalid_css_value,
"a {\n color: foo((a: b)=a);\n}\n", "Error: (a: b) isn't a valid CSS value."
);
error!(
filter_nothing_before_equal,
"a {\n color: foo(=a);\n}\n", "Error: expected \")\"."
);
error!(
filter_nothing_after_equal,
"a {\n color: foo(a=);\n}\n", "Error: Expected expression."
);
error!(
filter_equal_is_last_char,
"a {\n color: foo(a=", "Error: Expected expression."
);
error!(
filter_value_after_equal_is_last_char,
"a {\n color: foo(a=a", "Error: expected \")\"."
);
error!(
unclosed_paren_in_nested_args,
"a { color: a(b(red); }", "Error: expected \")\"."
);
error!(
filter_rhs_missing_closing_paren,
"a { color: lighten(red=(green); }", "Error: expected \")\"."
);
test!(
space_after_loud_comment,
"@mixin foo($x) {
color: $x;
}
a {
@include foo($x /* blah */ : kwd-y);
}",
"a {\n color: kwd-y;\n}\n"
);
test!(
quoted_string_as_default_argument_value,
r#"@function foo($font-family: 'Roboto, "Helvetica Neue", sans-serif') {
@return $font-family;
}
a {
color: foo();
}"#,
"a {\n color: 'Roboto, \"Helvetica Neue\", sans-serif';\n}\n"
);
test!(
args_do_not_affect_existing_outer_variables,
"@mixin mixin2($a) {
color: $a;
}
@mixin mixin1($a) {
color: $a;
@include mixin2(bar);
color: $a;
}
a {
@include mixin1(foo);
}",
"a {\n color: foo;\n color: bar;\n color: foo;\n}\n"
);
test!(
splat_ends_with_comma,
"@function foo($arg1) {
@return $arg1;
}
a {
color: foo(a...,);
}",
"a {\n color: a;\n}\n"
);
test!(
two_splat_ends_with_comma,
"@function foo($arg1, $arg2) {
@return $arg1 $arg2;
}
a {
color: foo((value1,)..., (arg2: value2)...);
}",
"a {\n color: value1 value2;\n}\n"
);
error!(
splat_ends_with_two_commas,
"@function foo($arg1) {
@return $arg1;
}
a {
color: foo(a...,,);
}",
"Error: expected \")\"."
);
error!(
arg_ends_with_two_commas,
"@function foo($arg1) {
@return $arg1;
}
a {
color: foo(a,,);
}",
"Error: expected \")\"."
);
error!(
duplicate_named_arg,
"@function foo($a) {
@return $a;
}
a {
color: foo($a: red, $a: green);
}",
"Error: Duplicate argument."
);
error!(
keyword_arg_before_positional,
"@function foo($a, $b) {
@return $a, $b;
}
a {
color: foo($a: red, green);
}",
"Error: Positional arguments must come before keyword arguments."
);
error!(
duplicate_arg_in_declaration,
"@function foo($a, $a) {
@return $a;
}",
"Error: Duplicate argument."
);
error!(
variable_keyword_args_is_list,
"@function foo($a...) {
@return inspect($a);
}
a {
color: foo(a..., a b...);
}",
"Error: Variable keyword arguments must be a map (was a b)."
);
error!(
keyword_arg_to_function_expecting_varargs,
"a {\n color: zip(a, b, $a: c);\n}\n", "Error: No argument named $a."
);
error!(
too_many_keyword_args_passed_one_extra_arg,
"@function foo($a) {
@return $a;
}
a {
color: foo($a: red, $b: green);
}",
"Error: No argument named $b."
);
error!(
too_many_keyword_args_passed_two_extra_args,
"@function foo($a) {
@return $a;
}
a {
color: foo($a: red, $b: green, $c: blue);
}",
"Error: No arguments named $b or $c."
);
error!(
too_many_keyword_args_passed_three_extra_args,
"@function foo($a) {
@return $a;
}
a {
color: foo($a: red, $b: green, $c: blue, $d: brown);
}",
"Error: No arguments named $b, $c or $d."
);