1 files changed, 288 insertions, 0 deletions
diff --git a/vendor/tester/src/formatters/pretty.rs b/vendor/tester/src/formatters/pretty.rs
new file mode 100644
index 000000000..6fa369298
--- /dev/null
+++ b/vendor/tester/src/formatters/pretty.rs
@@ -0,0 +1,288 @@
+use std::{io, io::prelude::Write};
+
+use super::OutputFormatter;
+use crate::{
+    bench::fmt_bench_samples,
+    console::{ConsoleTestState, OutputLocation},
+    test_result::TestResult,
+    time,
+    types::TestDesc,
+};
+
+pub(crate) struct PrettyFormatter<T> {
+    out: OutputLocation<T>,
+    use_color: bool,
+    time_options: Option<time::TestTimeOptions>,
+
+    /// Number of columns to fill when aligning names
+    max_name_len: usize,
+
+    is_multithreaded: bool,
+}
+
+impl<T: Write> PrettyFormatter<T> {
+    pub fn new(
+        out: OutputLocation<T>,
+        use_color: bool,
+        max_name_len: usize,
+        is_multithreaded: bool,
+        time_options: Option<time::TestTimeOptions>,
+    ) -> Self {
+        PrettyFormatter { out, use_color, max_name_len, is_multithreaded, time_options }
+    }
+
+    #[cfg(test)]
+    pub fn output_location(&self) -> &OutputLocation<T> {
+        &self.out
+    }
+
+    pub fn write_ok(&mut self) -> io::Result<()> {
+        self.write_short_result("ok", term::color::GREEN)
+    }
+
+    pub fn write_failed(&mut self) -> io::Result<()> {
+        self.write_short_result("FAILED", term::color::RED)
+    }
+
+    pub fn write_ignored(&mut self) -> io::Result<()> {
+        self.write_short_result("ignored", term::color::YELLOW)
+    }
+
+    pub fn write_allowed_fail(&mut self) -> io::Result<()> {
+        self.write_short_result("FAILED (allowed)", term::color::YELLOW)
+    }
+
+    pub fn write_time_failed(&mut self) -> io::Result<()> {
+        self.write_short_result("FAILED (time limit exceeded)", term::color::RED)
+    }
+
+    pub fn write_bench(&mut self) -> io::Result<()> {
+        self.write_pretty("bench", term::color::CYAN)
+    }
+
+    pub fn write_short_result(
+        &mut self,
+        result: &str,
+        color: term::color::Color,
+    ) -> io::Result<()> {
+        self.write_pretty(result, color)
+    }
+
+    pub fn write_pretty(&mut self, word: &str, color: term::color::Color) -> io::Result<()> {
+        match self.out {
+            OutputLocation::Pretty(ref mut term) => {
+                if self.use_color {
+                    term.fg(color)?;
+                }
+                term.write_all(word.as_bytes())?;
+                if self.use_color {
+                    term.reset()?;
+                }
+                term.flush()
+            }
+            OutputLocation::Raw(ref mut stdout) => {
+                stdout.write_all(word.as_bytes())?;
+                stdout.flush()
+            }
+        }
+    }
+
+    pub fn write_plain<S: AsRef<str>>(&mut self, s: S) -> io::Result<()> {
+        let s = s.as_ref();
+        self.out.write_all(s.as_bytes())?;
+        self.out.flush()
+    }
+
+    fn write_time(
+        &mut self,
+        desc: &TestDesc,
+        exec_time: Option<&time::TestExecTime>,
+    ) -> io::Result<()> {
+        if let (Some(opts), Some(time)) = (self.time_options, exec_time) {
+            let time_str = format!(" <{}>", time);
+
+            let color = if opts.colored {
+                if opts.is_critical(desc, time) {
+                    Some(term::color::RED)
+                } else if opts.is_warn(desc, time) {
+                    Some(term::color::YELLOW)
+                } else {
+                    None
+                }
+            } else {
+                None
+            };
+
+            match color {
+                Some(color) => self.write_pretty(&time_str, color)?,
+                None => self.write_plain(&time_str)?,
+            }
+        }
+
+        Ok(())
+    }
+
+    fn write_results(
+        &mut self,
+        inputs: &Vec<(TestDesc, Vec<u8>)>,
+        results_type: &str,
+    ) -> io::Result<()> {
+        let results_out_str = format!("\n{}:\n", results_type);
+
+        self.write_plain(&results_out_str)?;
+
+        let mut results = Vec::new();
+        let mut stdouts = String::new();
+        for &(ref f, ref stdout) in inputs {
+            results.push(f.name.to_string());
+            if !stdout.is_empty() {
+                stdouts.push_str(&format!("---- {} stdout ----\n", f.name));
+                let output = String::from_utf8_lossy(stdout);
+                stdouts.push_str(&output);
+                stdouts.push('\n');
+            }
+        }
+        if !stdouts.is_empty() {
+            self.write_plain("\n")?;
+            self.write_plain(&stdouts)?;
+        }
+
+        self.write_plain(&results_out_str)?;
+        results.sort();
+        for name in &results {
+            self.write_plain(&format!("    {}\n", name))?;
+        }
+        Ok(())
+    }
+
+    pub fn write_successes(&mut self, state: &ConsoleTestState) -> io::Result<()> {
+        self.write_results(&state.not_failures, "successes")
+    }
+
+    pub fn write_failures(&mut self, state: &ConsoleTestState) -> io::Result<()> {
+        self.write_results(&state.failures, "failures")
+    }
+
+    pub fn write_time_failures(&mut self, state: &ConsoleTestState) -> io::Result<()> {
+        self.write_results(&state.time_failures, "failures (time limit exceeded)")
+    }
+
+    fn write_test_name(&mut self, desc: &TestDesc) -> io::Result<()> {
+        let name = desc.padded_name(self.max_name_len, desc.name.padding());
+        self.write_plain(&format!("test {} ... ", name))?;
+
+        Ok(())
+    }
+}
+
+impl<T: Write> OutputFormatter for PrettyFormatter<T> {
+    fn write_run_start(&mut self, test_count: usize) -> io::Result<()> {
+        let noun = if test_count != 1 { "tests" } else { "test" };
+        self.write_plain(&format!("\nrunning {} {}\n", test_count, noun))
+    }
+
+    fn write_test_start(&mut self, desc: &TestDesc) -> io::Result<()> {
+        // When running tests concurrently, we should not print
+        // the test's name as the result will be mis-aligned.
+        // When running the tests serially, we print the name here so
+        // that the user can see which test hangs.
+        if !self.is_multithreaded {
+            self.write_test_name(desc)?;
+        }
+
+        Ok(())
+    }
+
+    fn write_result(
+        &mut self,
+        desc: &TestDesc,
+        result: &TestResult,
+        exec_time: Option<&time::TestExecTime>,
+        _: &[u8],
+        _: &ConsoleTestState,
+    ) -> io::Result<()> {
+        if self.is_multithreaded {
+            self.write_test_name(desc)?;
+        }
+
+        match *result {
+            TestResult::TrOk => self.write_ok()?,
+            TestResult::TrFailed | TestResult::TrFailedMsg(_) => self.write_failed()?,
+            TestResult::TrIgnored => self.write_ignored()?,
+            TestResult::TrAllowedFail => self.write_allowed_fail()?,
+            TestResult::TrBench(ref bs) => {
+                self.write_bench()?;
+                self.write_plain(&format!(": {}", fmt_bench_samples(bs)))?;
+            }
+            TestResult::TrTimedFail => self.write_time_failed()?,
+        }
+
+        self.write_time(desc, exec_time)?;
+        self.write_plain("\n")
+    }
+
+    fn write_timeout(&mut self, desc: &TestDesc) -> io::Result<()> {
+        if self.is_multithreaded {
+            self.write_test_name(desc)?;
+        }
+
+        self.write_plain(&format!(
+            "test {} has been running for over {} seconds\n",
+            desc.name,
+            time::TEST_WARN_TIMEOUT_S
+        ))
+    }
+
+    fn write_run_finish(&mut self, state: &ConsoleTestState) -> io::Result<bool> {
+        if state.options.display_output {
+            self.write_successes(state)?;
+        }
+        let success = state.failed == 0;
+        if !success {
+            if !state.failures.is_empty() {
+                self.write_failures(state)?;
+            }
+
+            if !state.time_failures.is_empty() {
+                self.write_time_failures(state)?;
+            }
+        }
+
+        self.write_plain("\ntest result: ")?;
+
+        if success {
+            // There's no parallelism at this point so it's safe to use color
+            self.write_pretty("ok", term::color::GREEN)?;
+        } else {
+            self.write_pretty("FAILED", term::color::RED)?;
+        }
+
+        let s = if state.allowed_fail > 0 {
+            format!(
+                ". {} passed; {} failed ({} allowed); {} ignored; {} measured; {} filtered out",
+                state.passed,
+                state.failed + state.allowed_fail,
+                state.allowed_fail,
+                state.ignored,
+                state.measured,
+                state.filtered_out
+            )
+        } else {
+            format!(
+                ". {} passed; {} failed; {} ignored; {} measured; {} filtered out",
+                state.passed, state.failed, state.ignored, state.measured, state.filtered_out
+            )
+        };
+
+        self.write_plain(&s)?;
+
+        if let Some(ref exec_time) = state.exec_time {
+            let time_str = format!("; finished in {}", exec_time);
+            self.write_plain(&time_str)?;
+        }
+
+        self.write_plain("\n\n")?;
+
+        Ok(success)
+    }
+}