factor out `ensure_dir_exists` and use for log

1 files changed, 30 insertions, 0 deletions

diff --git a/tests/test_config.py b/tests/test_config.py
new file mode 100644
index 00000000..1c023e02
--- /dev/null
+++ b/tests/test_config.py
@@ -0,0 +1,30 @@
+import os
+import stat
+
+import pytest
+
+from pgcli.config import ensure_dir_exists
+
+
+def test_ensure_file_parent(tmpdir):
+    subdir = tmpdir.join("subdir")
+    rcfile = subdir.join("rcfile")
+    ensure_dir_exists(str(rcfile))
+
+
+def test_ensure_existing_dir(tmpdir):
+    rcfile = str(tmpdir.mkdir("subdir").join("rcfile"))
+
+    # should just not raise
+    ensure_dir_exists(rcfile)
+
+
+def test_ensure_other_create_error(tmpdir):
+    subdir = tmpdir.join("subdir")
+    rcfile = subdir.join("rcfile")
+
+    # trigger an oserror that isn't "directory already exists"
+    os.chmod(str(tmpdir), stat.S_IREAD)
+
+    with pytest.raises(OSError):
+        ensure_dir_exists(str(rcfile))