traxys/tree-sitter
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Print diffs when tests fail

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This commit is contained in:
Max Brunsfeld 2019-01-07 22:01:40 -08:00
parent 20fcffb393
commit 6c4d00aad5
4 changed files with 35 additions and 10 deletions
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8
cli/src/main.rs
View file

@ -74,9 +74,7 @@ fn run() -> error::Result<()> {
generate::generate_parser_for_grammar(&grammar_path, minimize, state_ids_to_log)?;
println!("{}", code);
return Ok(());
}
if let Some(_matches) = matches.subcommand_matches("test") {
} else if let Some(_matches) = matches.subcommand_matches("test") {
let corpus_path = current_dir.join("corpus");
let home_dir = dirs::home_dir().unwrap();
let mut loader = Loader::new(home_dir.join(".tree-sitter"));
@ -85,9 +83,7 @@ fn run() -> error::Result<()> {
} else {
eprintln!("No language found");
}
}
if let Some(matches) = matches.subcommand_matches("parse") {
} else if let Some(matches) = matches.subcommand_matches("parse") {
loader.find_parsers(&vec![home_dir.join("github")])?;
let source_path = Path::new(matches.value_of("path").unwrap());
if let Some((language, _)) = loader.language_for_file_name(source_path)? {

29
cli/src/test.rs
View file

@ -1,5 +1,6 @@
use super::error::Result;
use ansi_term::Colour;
use difference::{Changeset, Difference};
use regex::bytes::{Regex as ByteRegex, RegexBuilder as ByteRegexBuilder};
use regex::Regex;
use std::char;
@ -55,10 +56,30 @@ pub fn run_tests_at_path(language: Language, path: &Path) -> Result<()> {
println!("{} failures:", failures.len())
}
for (name, actual, expected) in failures {
println!("\n {}:", name);
println!(" Expected: {}", expected);
println!(" Actual: {}", actual);
println!(
"\n{} / {}",
Colour::Green.paint("expected"),
Colour::Red.paint("actual")
);
for (i, (name, actual, expected)) in failures.iter().enumerate() {
println!("\n {}. {}:", i + 1, name);
let changeset = Changeset::new(actual, expected, " ");
print!(" ");
for diff in &changeset.diffs {
match diff {
Difference::Same(part) => {
print!("{}{}", part, changeset.split);
}
Difference::Add(part) => {
print!("{}{}", Colour::Green.paint(part), changeset.split);
}
Difference::Rem(part) => {
print!("{}{}", Colour::Red.paint(part), changeset.split);
}
}
}
println!("");
}
}