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Code Issues Packages 1 Wiki Activity

Fix repl crash when deno dir doesn't exist (#2727)

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This commit is contained in:
Daniel Buckmaster 2019-08-08 21:25:39 +10:00 committed by Ryan Dahl
parent e438ac2c74
commit 520bdb6c31
2 changed files with 30 additions and 1 deletions
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16
cli/repl.rs
View file

@ -76,6 +76,14 @@ impl Repl {
}
fn save_history(&mut self) -> Result<(), ErrBox> {
if !self.history_dir_exists() {
eprintln!(
"Unable to save REPL history: {:?} directory does not exist",
self.history_file
);
return Ok(());
}
self
.editor
.save_history(&self.history_file.to_str().unwrap())
@ -86,6 +94,14 @@ impl Repl {
})
}
fn history_dir_exists(&self) -> bool {
self
.history_file
.parent()
.map(|ref p| p.exists())
.unwrap_or(false)
}
pub fn readline(&mut self, prompt: &str) -> Result<String, ErrBox> {
self
.editor

15
tools/repl_test.py
View file

@ -11,7 +11,12 @@ class TestRepl(DenoTestCase):
def input(self, *lines, **kwargs):
exit_ = kwargs.pop("exit", True)
sleep_ = kwargs.pop("sleep", 0)
p = Popen([self.deno_exe], stdout=PIPE, stderr=PIPE, stdin=PIPE)
env_ = kwargs.pop("env", None)
p = Popen([self.deno_exe],
stdout=PIPE,
stderr=PIPE,
stdin=PIPE,
env=env_)
try:
# Note: The repl takes a >100ms until it's ready.
time.sleep(sleep_)
@ -137,6 +142,14 @@ class TestRepl(DenoTestCase):
self.assertEqual(err, '')
self.assertEqual(code, 0)
def test_missing_deno_dir(self):
new_env = os.environ.copy()
new_env["DENO_DIR"] = os.path.abspath("doesnt_exist")
out, err, code = self.input("'noop'", exit=False, env=new_env)
self.assertEqual(out, "noop\n")
self.assertTrue(err.startswith("Unable to save REPL history:"))
self.assertEqual(code, 0)
if __name__ == "__main__":
run_tests()