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Fix REPL '_' assignment, support '_error' (#2845)

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This commit is contained in:
Nayeem Rahman 2019-08-31 20:17:56 +01:00 • committed by Ryan Dahl
parent fdd4252d49
commit df2f54b2a6
2 changed files with 62 additions and 10 deletions
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25
tools/repl_test.py
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@ -58,7 +58,8 @@ class TestRepl(DenoTestCase):
def test_help_command(self):
out, err, code = self.input("help")
expectedOut = '\n'.join([
"_ Print last execution output",
"_ Get last evaluation result",
"_error Get last thrown error",
"exit Exit the REPL",
"help Print this help message",
"",
@ -151,12 +152,32 @@ class TestRepl(DenoTestCase):
self.assertTrue(err.startswith("Unable to save REPL history:"))
self.assertEqual(code, 0)
def test_save_last_output(self):
def test_save_last_eval(self):
out, err, code = self.input("1", "_")
self.assertEqual(out, '1\n1\n')
self.assertEqual(err, '')
self.assertEqual(code, 0)
def test_save_last_thrown(self):
out, err, code = self.input("throw 1", "_error")
self.assertEqual(out, '1\n')
self.assertEqual(err, 'Thrown: 1\n')
self.assertEqual(code, 0)
def test_assign_underscore(self):
out, err, code = self.input("_ = 1", "2", "_")
self.assertEqual(
out, 'Last evaluation result is no longer saved to _.\n1\n2\n1\n')
self.assertEqual(err, '')
self.assertEqual(code, 0)
def test_assign_underscore_error(self):
out, err, code = self.input("_error = 1", "throw 2", "_error")
self.assertEqual(
out, 'Last thrown error is no longer saved to _error.\n1\n1\n')
self.assertEqual(err, 'Thrown: 2\n')
self.assertEqual(code, 0)
if __name__ == "__main__":
run_tests()