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use std::io::{self, prelude::Write};
use std::time::Duration;
use super::OutputFormatter;
use crate::{
console::{ConsoleTestState, OutputLocation},
test_result::TestResult,
time,
types::{TestDesc, TestType},
};
pub struct JunitFormatter<T> {
out: OutputLocation<T>,
results: Vec<(TestDesc, TestResult, Duration)>,
}
impl<T: Write> JunitFormatter<T> {
pub fn new(out: OutputLocation<T>) -> Self {
Self { out, results: Vec::new() }
}
fn write_message(&mut self, s: &str) -> io::Result<()> {
assert!(!s.contains('\n'));
self.out.write_all(s.as_ref())
}
}
impl<T: Write> OutputFormatter for JunitFormatter<T> {
fn write_run_start(
&mut self,
_test_count: usize,
_shuffle_seed: Option<u64>,
) -> io::Result<()> {
// We write xml header on run start
self.write_message("<?xml version=\"1.0\" encoding=\"UTF-8\"?>")
}
fn write_test_start(&mut self, _desc: &TestDesc) -> io::Result<()> {
// We do not output anything on test start.
Ok(())
}
fn write_timeout(&mut self, _desc: &TestDesc) -> io::Result<()> {
// We do not output anything on test timeout.
Ok(())
}
fn write_result(
&mut self,
desc: &TestDesc,
result: &TestResult,
exec_time: Option<&time::TestExecTime>,
_stdout: &[u8],
_state: &ConsoleTestState,
) -> io::Result<()> {
// Because the testsuite node holds some of the information as attributes, we can't write it
// until all of the tests have finished. Instead of writing every result as they come in, we add
// them to a Vec and write them all at once when run is complete.
let duration = exec_time.map(|t| t.0).unwrap_or_default();
self.results.push((desc.clone(), result.clone(), duration));
Ok(())
}
fn write_run_finish(&mut self, state: &ConsoleTestState) -> io::Result<bool> {
self.write_message("<testsuites>")?;
self.write_message(&*format!(
"<testsuite name=\"test\" package=\"test\" id=\"0\" \
errors=\"0\" \
failures=\"{}\" \
tests=\"{}\" \
skipped=\"{}\" \
>",
state.failed, state.total, state.ignored
))?;
for (desc, result, duration) in std::mem::replace(&mut self.results, Vec::new()) {
let (class_name, test_name) = parse_class_name(&desc);
match result {
TestResult::TrIgnored => { /* no-op */ }
TestResult::TrFailed => {
self.write_message(&*format!(
"<testcase classname=\"{}\" \
name=\"{}\" time=\"{}\">",
class_name,
test_name,
duration.as_secs_f64()
))?;
self.write_message("<failure type=\"assert\"/>")?;
self.write_message("</testcase>")?;
}
TestResult::TrFailedMsg(ref m) => {
self.write_message(&*format!(
"<testcase classname=\"{}\" \
name=\"{}\" time=\"{}\">",
class_name,
test_name,
duration.as_secs_f64()
))?;
self.write_message(&*format!("<failure message=\"{m}\" type=\"assert\"/>"))?;
self.write_message("</testcase>")?;
}
TestResult::TrTimedFail => {
self.write_message(&*format!(
"<testcase classname=\"{}\" \
name=\"{}\" time=\"{}\">",
class_name,
test_name,
duration.as_secs_f64()
))?;
self.write_message("<failure type=\"timeout\"/>")?;
self.write_message("</testcase>")?;
}
TestResult::TrBench(ref b) => {
self.write_message(&*format!(
"<testcase classname=\"benchmark::{}\" \
name=\"{}\" time=\"{}\" />",
class_name, test_name, b.ns_iter_summ.sum
))?;
}
TestResult::TrOk => {
self.write_message(&*format!(
"<testcase classname=\"{}\" \
name=\"{}\" time=\"{}\"/>",
class_name,
test_name,
duration.as_secs_f64()
))?;
}
}
}
self.write_message("<system-out/>")?;
self.write_message("<system-err/>")?;
self.write_message("</testsuite>")?;
self.write_message("</testsuites>")?;
self.out.write_all(b"\n")?;
Ok(state.failed == 0)
}
}
fn parse_class_name(desc: &TestDesc) -> (String, String) {
match desc.test_type {
TestType::UnitTest => parse_class_name_unit(desc),
TestType::DocTest => parse_class_name_doc(desc),
TestType::IntegrationTest => parse_class_name_integration(desc),
TestType::Unknown => (String::from("unknown"), String::from(desc.name.as_slice())),
}
}
fn parse_class_name_unit(desc: &TestDesc) -> (String, String) {
// Module path => classname
// Function name => name
let module_segments: Vec<&str> = desc.name.as_slice().split("::").collect();
let (class_name, test_name) = match module_segments[..] {
[test] => (String::from("crate"), String::from(test)),
[ref path @ .., test] => (path.join("::"), String::from(test)),
[..] => unreachable!(),
};
(class_name, test_name)
}
fn parse_class_name_doc(desc: &TestDesc) -> (String, String) {
// File path => classname
// Line # => test name
let segments: Vec<&str> = desc.name.as_slice().split(" - ").collect();
let (class_name, test_name) = match segments[..] {
[file, line] => (String::from(file.trim()), String::from(line.trim())),
[..] => unreachable!(),
};
(class_name, test_name)
}
fn parse_class_name_integration(desc: &TestDesc) -> (String, String) {
(String::from("integration"), String::from(desc.name.as_slice()))
}
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