Fixes #190.

1 files changed, 62 insertions, 0 deletions

diff --git a/yaksh/evaluator_tests/test_python_stdio_evaluator.py b/yaksh/evaluator_tests/test_python_stdio_evaluator.py
new file mode 100644
index 0000000..db5028a
--- /dev/null
+++ b/yaksh/evaluator_tests/test_python_stdio_evaluator.py
@@ -0,0 +1,62 @@
+from textwrap import dedent
+
+from yaksh.python_stdio_evaluator import compare_outputs
+
+
+def test_compare_outputs():
+    exp = "5\n5\n"
+    given = "5\n5\n"
+    success, msg = compare_outputs(given, exp)
+    assert success
+
+    exp = "5\n5\n"
+    given = "5\n5"
+    success, msg = compare_outputs(given, exp)
+    assert success
+
+    exp = "5\r5"
+    given = "5\n5"
+    success, msg = compare_outputs(given, exp)
+    assert success
+
+    exp = " 5 \r 5 "
+    given = "  5  \n  5  "
+    success, msg = compare_outputs(given, exp)
+    assert success
+
+    exp = "5\n5\n"
+    given = "5 5"
+    success, msg = compare_outputs(given, exp)
+    assert not success
+    m = dedent("""\
+    ERROR: Got 1 lines in output, we expected 2.
+    Expected:
+    5
+    5
+
+    Given:
+    5 5
+    """)
+    assert m == msg
+
+    exp = "5\n5\n"
+    given = "5\n6"
+    success, msg = compare_outputs(given, exp)
+    assert not success
+    m = dedent("""\
+    ERROR:
+    Expected:
+    5
+    5
+
+    Given:
+    5
+    6
+
+    Error in line 2 of output.
+    Expected line 2:
+    5
+    Given line 2:
+    6
+    """)
+    assert m == msg