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libtest terse format: show how far in we are #53428

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Merged
merged 2 commits into from
Aug 26, 2018
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libtest terse format: show how far in we are #53428

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libtest terse format: show how far in we are
RalfJung Aug 16, 2018
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RalfJung Aug 20, 2018
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6 changes: 5 additions & 1 deletion src/libtest/formatters/terse.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,7 @@ pub(crate) struct TerseFormatter<T> {
max_name_len: usize,

test_count: usize,
total_test_count: usize,
}

impl<T: Write> TerseFormatter<T> {
Expand All @@ -33,6 +34,7 @@ impl<T: Write> TerseFormatter<T> {
max_name_len,
is_multithreaded,
test_count: 0,
total_test_count: 0, // initialized later, when write_run_start is called
}
}

Expand Down Expand Up @@ -66,7 +68,8 @@ impl<T: Write> TerseFormatter<T> {
// we insert a new line every 100 dots in order to flush the
// screen when dealing with line-buffered output (e.g. piping to
// `stamp` in the rust CI).
self.write_plain("\n")?;
let out = format!(" {}/{}\n", self.test_count+1, self.total_test_count);
self.write_plain(&out)?;
}

self.test_count += 1;
Expand Down Expand Up @@ -160,6 +163,7 @@ impl<T: Write> TerseFormatter<T> {

impl<T: Write> OutputFormatter for TerseFormatter<T> {
fn write_run_start(&mut self, test_count: usize) -> io::Result<()> {
self.total_test_count = test_count;
let noun = if test_count != 1 { "tests" } else { "test" };
self.write_plain(&format!("\nrunning {} {}\n", test_count, noun))
}
Expand Down