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drop obsolete tests

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This commit is contained in:
Aleksey Kladov 2021-10-10 15:11:33 +03:00
parent 0f849a7a35
commit bfc5d8529a
2 changed files with 2 additions and 301 deletions
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205
crates/mbe/src/tests.rs
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@ -1,210 +1,9 @@
mod expand;
use std::iter;
use std::{fmt::Write, iter};
use syntax::{ast, AstNode, NodeOrToken, SyntaxNode, WalkEvent};
use test_utils::assert_eq_text;
use crate::ParserEntryPoint;
use syntax::{ast, AstNode};
use super::*;
pub(crate) struct MacroFixture {
rules: MacroRules,
}
pub(crate) struct MacroFixture2 {
rules: MacroDef,
}
macro_rules! impl_fixture {
($name:ident) => {
impl $name {
pub(crate) fn expand_tt(&self, invocation: &str) -> tt::Subtree {
self.try_expand_tt(invocation).unwrap()
}
fn try_expand_tt(&self, invocation: &str) -> Result<tt::Subtree, ExpandError> {
let source_file = ast::SourceFile::parse(invocation).tree();
let macro_invocation =
source_file.syntax().descendants().find_map(ast::MacroCall::cast).unwrap();
let (invocation_tt, _) =
syntax_node_to_token_tree(macro_invocation.token_tree().unwrap().syntax());
self.rules.expand(&invocation_tt).result()
}
#[allow(unused)]
fn assert_expand_err(&self, invocation: &str, err: &ExpandError) {
assert_eq!(self.try_expand_tt(invocation).as_ref(), Err(err));
}
#[allow(unused)]
fn expand_items(&self, invocation: &str) -> SyntaxNode {
let expanded = self.expand_tt(invocation);
token_tree_to_syntax_node(&expanded, ParserEntryPoint::Items)
.unwrap()
.0
.syntax_node()
}
#[allow(unused)]
fn expand_statements(&self, invocation: &str) -> SyntaxNode {
let expanded = self.expand_tt(invocation);
token_tree_to_syntax_node(&expanded, ParserEntryPoint::Statements)
.unwrap()
.0
.syntax_node()
}
#[allow(unused)]
fn expand_expr(&self, invocation: &str) -> SyntaxNode {
let expanded = self.expand_tt(invocation);
token_tree_to_syntax_node(&expanded, ParserEntryPoint::Expr)
.unwrap()
.0
.syntax_node()
}
#[allow(unused)]
fn assert_expand_tt(&self, invocation: &str, expected: &str) {
let expansion = self.expand_tt(invocation);
assert_eq!(expansion.to_string(), expected);
}
#[allow(unused)]
fn assert_expand(&self, invocation: &str, expected: &str) {
let expansion = self.expand_tt(invocation);
let actual = format!("{:?}", expansion);
test_utils::assert_eq_text!(&expected.trim(), &actual.trim());
}
#[allow(unused)]
fn assert_expand_items(&self, invocation: &str, expected: &str) -> &$name {
self.assert_expansion(ParserEntryPoint::Items, invocation, expected);
self
}
#[allow(unused)]
fn assert_expand_statements(&self, invocation: &str, expected: &str) -> &$name {
self.assert_expansion(ParserEntryPoint::Statements, invocation, expected);
self
}
fn assert_expansion(&self, kind: ParserEntryPoint, invocation: &str, expected: &str) {
let expanded = self.expand_tt(invocation);
assert_eq!(expanded.to_string(), expected);
let expected = expected.replace("$crate", "C_C__C");
// wrap the given text to a macro call
let expected = {
let wrapped = format!("wrap_macro!( {} )", expected);
let wrapped = ast::SourceFile::parse(&wrapped);
let wrapped = wrapped
.tree()
.syntax()
.descendants()
.find_map(ast::TokenTree::cast)
.unwrap();
let mut wrapped = syntax_node_to_token_tree(wrapped.syntax()).0;
wrapped.delimiter = None;
wrapped
};
let expanded_tree =
token_tree_to_syntax_node(&expanded, kind).unwrap().0.syntax_node();
let expanded_tree = debug_dump_ignore_spaces(&expanded_tree).trim().to_string();
let expected_tree =
token_tree_to_syntax_node(&expected, kind).unwrap().0.syntax_node();
let expected_tree = debug_dump_ignore_spaces(&expected_tree).trim().to_string();
let expected_tree = expected_tree.replace("C_C__C", "$crate");
assert_eq!(
expanded_tree, expected_tree,
"\nleft:\n{}\nright:\n{}",
expanded_tree, expected_tree,
);
}
}
};
}
impl_fixture!(MacroFixture);
impl_fixture!(MacroFixture2);
pub(crate) fn parse_macro(ra_fixture: &str) -> MacroFixture {
let definition_tt = parse_macro_rules_to_tt(ra_fixture);
let rules = MacroRules::parse(&definition_tt).unwrap();
MacroFixture { rules }
}
pub(crate) fn parse_to_token_tree_by_syntax(ra_fixture: &str) -> tt::Subtree {
let source_file = ast::SourceFile::parse(ra_fixture).ok().unwrap();
let tt = syntax_node_to_token_tree(source_file.syntax()).0;
let parsed = parse_to_token_tree(ra_fixture).unwrap().0;
assert_eq!(tt, parsed);
parsed
}
fn parse_macro_rules_to_tt(ra_fixture: &str) -> tt::Subtree {
let source_file = ast::SourceFile::parse(ra_fixture).ok().unwrap();
let macro_definition =
source_file.syntax().descendants().find_map(ast::MacroRules::cast).unwrap();
let (definition_tt, _) =
syntax_node_to_token_tree(macro_definition.token_tree().unwrap().syntax());
let parsed = parse_to_token_tree(
&ra_fixture[macro_definition.token_tree().unwrap().syntax().text_range()],
)
.unwrap()
.0;
assert_eq!(definition_tt, parsed);
definition_tt
}
fn debug_dump_ignore_spaces(node: &syntax::SyntaxNode) -> String {
let mut level = 0;
let mut buf = String::new();
macro_rules! indent {
() => {
for _ in 0..level {
buf.push_str(" ");
}
};
}
for event in node.preorder_with_tokens() {
match event {
WalkEvent::Enter(element) => {
match element {
NodeOrToken::Node(node) => {
indent!();
writeln!(buf, "{:?}", node.kind()).unwrap();
}
NodeOrToken::Token(token) => match token.kind() {
syntax::SyntaxKind::WHITESPACE => {}
_ => {
indent!();
writeln!(buf, "{:?}", token.kind()).unwrap();
}
},
}
level += 1;
}
WalkEvent::Leave(_) => level -= 1,
}
}
buf
}
#[test]
fn test_node_to_tt_censor() {
use syntax::ast::{HasAttrs, HasModuleItem};