adding latest tests

tests/test_config.py

@@ -1,8 +1,13 @@
+import os
 import pathlib
+from uuid import uuid4
 
-import toml
+import pytest
 
 import panaetius
+from panaetius.exceptions import KeyErrorTooDeepException
+
+# test config paths
 
 
 def test_default_config_path_set(header):
@@ -13,9 +18,9 @@ def test_default_config_path_set(header):
     assert str(config.config_path) == str(pathlib.Path.home() / ".config")
 
 
-def test_user_config_path_set(header, datadir):
+def test_user_config_path_set(header, shared_datadir):
     # arrange
-    config_path = str(datadir / "without_logging")
+    config_path = str(shared_datadir / "without_logging")
 
     # act
     config = panaetius.Config(header, config_path)
@@ -24,13 +29,182 @@ def test_user_config_path_set(header, datadir):
     assert str(config.config_path) == config_path
 
 
-def test_config_file_exists(header, datadir):
+# test config files
+
+
+def test_config_file_exists(header, shared_datadir):
     # arrange
-    config_path = str(datadir / "without_logging")
+    config_path = str(shared_datadir / "without_logging")
+
+    # act
+    config = panaetius.Config(header, config_path)
+    _ = config.config
+
+    # assert
+    assert config._missing_config is False
+
+
+def test_config_file_contents_read_success(header, shared_datadir, testing_config_contents):
+    # arrange
+    config_path = str(shared_datadir / "without_logging")
 
     # act
     config = panaetius.Config(header, config_path)
     config_contents = config.config
 
     # assert
-    assert config._missing_config == False
+    assert config_contents == testing_config_contents
+
+
+@pytest.mark.parametrize(
+    "set_config_key,get_config_key,expected_value",
+    [
+        ("some_top_string", "some_top_string", "some_top_value"),
+        ("second.some_second_string", "second_some_second_string", "some_second_value"),
+        (
+            "second.some_second_list",
+            "second_some_second_list",
+            ["some", "second", "value"],
+        ),
+        (
+            "second.some_second_table",
+            "second_some_second_table",
+            {"first": ["some", "first", "value"]},
+        ),
+        (
+            "second.some_second_table_bools",
+            "second_some_second_table_bools",
+            {"bool": [True, False]},
+        ),
+    ],
+)
+def test_get_value_from_key(
+    set_config_key, get_config_key, expected_value, header, shared_datadir
+):
+    """
+    Test the following:
+
+    - keys are read from top level key
+    - keys are read from two level key
+    - inline arrays are read correctly
+    - inline tables are read correctly
+    - inline tables & arrays read bools correctly
+    """
+    # arrange
+    config_path = str(shared_datadir / "without_logging")
+    config = panaetius.Config(header, config_path)
+    panaetius.set_config(config, set_config_key)
+
+    # act
+    config_value = getattr(config, get_config_key)
+
+    # assert
+    assert config_value == expected_value
+
+
+def test_key_level_too_deep(header, shared_datadir):
+    # arrange
+    config_path = str(shared_datadir / "without_logging")
+    config = panaetius.Config(header, config_path)
+    key = "a.key.too.deep"
+
+    # act
+    with pytest.raises(KeyErrorTooDeepException) as key_error_too_deep:
+        panaetius.set_config(config, key)
+
+    # assert
+    assert (
+        str(key_error_too_deep.value)
+        == f"Your key of {key} can only be 2 levels deep maximum. "
+        f"You have 4"
+    )
+
+
+def test_get_value_missing_key_from_default(header, shared_datadir):
+    # arrange
+    config_path = str(shared_datadir / "without_logging")
+    config = panaetius.Config(header, config_path)
+    panaetius.set_config(
+        config,
+        "missing.key_from_default",
+        default=["some", "default", "value", 1.0, True],
+    )
+
+    # act
+    default_value = getattr(config, "missing_key_from_default")
+
+    # assert
+    assert default_value == ["some", "default", "value", 1.0, True]
+
+
+def test_get_value_missing_key_from_env(header, shared_datadir):
+    # arrange
+    os.environ[f"{header.upper()}_MISSING_KEY"] = '"some missing key"'
+
+    config_path = str(shared_datadir / "without_logging")
+    config = panaetius.Config(header, config_path)
+    panaetius.set_config(config, "missing_key")
+
+    # act
+    value_from_key = getattr(config, "missing_key")
+
+    # assert
+    assert value_from_key == "some missing key"
+
+
+# test env vars
+
+
+def test_config_file_does_not_exist(header, shared_datadir):
+    # arrange
+    config_path = str(shared_datadir / "nonexistent_folder")
+
+    # act
+    config = panaetius.Config(header, config_path)
+    config_contents = config.config
+
+    # assert
+    assert config._missing_config is True
+    assert config_contents == {}
+
+
+def test_missing_config_read_from_default(header, shared_datadir):
+    # arrange
+    config_path = str(shared_datadir / "nonexistent_folder")
+
+    # act
+    config = panaetius.Config(header, config_path)
+    panaetius.set_config(config, "missing.key_read_from_default", default=True)
+
+    # assert
+    assert getattr(config, "missing_key_read_from_default") is True
+
+
+@pytest.mark.parametrize(
+    "env_value,expected_value",
+    [
+        ('"a missing string"', "a missing string"),
+        ("1", 1),
+        ("1.0", 1.0),
+        ("True", True),
+        (
+            '["an", "array", "of", "items", 1, True]',
+            ["an", "array", "of", "items", 1, True],
+        ),
+        (
+            '{"an": "array", "of": "items", "1": True}',
+            {"an": "array", "of": "items", "1": True},
+        ),
+    ],
+)
+def test_missing_config_read_from_env_var(env_value, expected_value, header, shared_datadir):
+    # arrange
+    config_path = str(shared_datadir / str(uuid4()))
+    os.environ[f"{header.upper()}_MISSING_KEY_READ_FROM_ENV_VAR"] = env_value
+
+    # act
+    config = panaetius.Config(header, config_path)
+    panaetius.set_config(config, "missing.key_read_from_env_var")
+
+    # assert
+    assert getattr(config, "missing_key_read_from_env_var") == expected_value