1 files changed, 43 insertions, 0 deletions
diff --git a/tests/test_config.py b/tests/test_config.py
new file mode 100644
index 0000000..08fe74e
--- /dev/null
+++ b/tests/test_config.py
@@ -0,0 +1,43 @@
+import io
+import os
+import stat
+
+import pytest
+
+from pgcli.config import ensure_dir_exists, skip_initial_comment
+
+
+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))
+
+
+@pytest.mark.parametrize(
+    "text, skipped_lines",
+    (
+        ("abc\n", 1),
+        ("#[section]\ndef\n[section]", 2),
+        ("[section]", 0),
+    ),
+)
+def test_skip_initial_comment(text, skipped_lines):
+    assert skip_initial_comment(io.StringIO(text)) == skipped_lines