tests

tests/test_run_subproc.py

@@ -0,0 +1,32 @@
+import sys
+import os
+
+import pytest
+
+from xonsh.built_ins import run_subproc
+
+
+@pytest.yield_fixture(autouse=True, scope='module')
+def chdir_to_test_dir():
+    old_cwd = os.getcwd()
+    os.chdir(os.path.dirname(__file__))
+    yield
+    os.chdir(old_cwd)
+
+def test_runsubproc_simple(capfd, xonsh_builtins, xonsh_execer):
+    run_subproc([['pwd']])
+    out, err = capfd.readouterr()
+    assert out.rstrip() == os.getcwd()
+
+def test_runsubproc_pipe(capfd, xonsh_builtins, xonsh_execer):
+    run_subproc([['ls'], '|', ['grep', '-i', 'sample']])
+    out, err = capfd.readouterr()
+    assert out.rstrip() == 'sample.xsh'
+
+
+def test_runsubproc_redirect_out_to_file(xonsh_builtins, xonsh_execer):
+    run_subproc([['pwd', 'out>', 'tttt']])
+    with open('tttt') as f:
+        assert f.read().rstrip() == os.getcwd()
+    os.remove('tttt')
+