From 7e1d10a90cd229122fb60d86d400d446be533f55 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Edgar=20Rami=CC=81rez=20Mondrago=CC=81n?=
 <edgarrm358@gmail.com>
Date: Tue, 23 Aug 2022 11:09:56 -0500
Subject: [PATCH] Add target class init test

---
 samples/sample_tap_sqlite/__init__.py    |  1 +
 samples/sample_target_sqlite/__init__.py |  1 +
 tests/core/test_target_class.py          | 50 ++++++++++++++++++++++++
 3 files changed, 52 insertions(+)
 create mode 100644 tests/core/test_target_class.py

diff --git a/samples/sample_tap_sqlite/__init__.py b/samples/sample_tap_sqlite/__init__.py
index 5f92b85d0..ea93796ee 100644
--- a/samples/sample_tap_sqlite/__init__.py
+++ b/samples/sample_tap_sqlite/__init__.py
@@ -60,6 +60,7 @@ class SQLiteTap(SQLTap):
             DB_PATH_CONFIG,
             th.StringType,
             description="The path to your SQLite database file(s).",
+            required=True,
         )
     ).to_dict()
 
diff --git a/samples/sample_target_sqlite/__init__.py b/samples/sample_target_sqlite/__init__.py
index d4e4372bd..1440f6eef 100644
--- a/samples/sample_target_sqlite/__init__.py
+++ b/samples/sample_target_sqlite/__init__.py
@@ -66,6 +66,7 @@ class SQLiteTarget(SQLTarget):
             DB_PATH_CONFIG,
             th.StringType,
             description="The path to your SQLite database file(s).",
+            required=True,
         )
     ).to_dict()
 
diff --git a/tests/core/test_target_class.py b/tests/core/test_target_class.py
new file mode 100644
index 000000000..ee793651d
--- /dev/null
+++ b/tests/core/test_target_class.py
@@ -0,0 +1,50 @@
+from __future__ import annotations
+
+import json
+from contextlib import nullcontext
+
+import pytest
+from click.testing import CliRunner
+
+from samples.sample_target_sqlite import SQLiteTarget
+from singer_sdk.exceptions import ConfigValidationError
+
+
+@pytest.mark.parametrize(
+    "config_dict,expectation,errors",
+    [
+        pytest.param(
+            {},
+            pytest.raises(ConfigValidationError, match="Config validation failed"),
+            ["'path_to_db' is a required property"],
+            id="missing_path_to_db",
+        ),
+        pytest.param(
+            {"path_to_db": "sqlite://test.db"},
+            nullcontext(),
+            [],
+            id="valid_config",
+        ),
+    ],
+)
+def test_config_errors(config_dict: dict, expectation, errors: list[str]):
+    with expectation as exc:
+        SQLiteTarget(config_dict, validate_config=True)
+
+    if isinstance(exc, pytest.ExceptionInfo):
+        assert exc.value.errors == errors
+
+
+def test_cli(tmp_path):
+    """Test the CLI."""
+    runner = CliRunner(mix_stderr=False)
+    result = runner.invoke(SQLiteTarget.cli, ["--help"])
+    assert result.exit_code == 0
+    assert "Show this message and exit." in result.output
+
+    config_path = tmp_path / "config.json"
+    config_path.write_text(json.dumps({}))
+    result = runner.invoke(SQLiteTarget.cli, ["--config", str(config_path)])
+    assert result.exit_code == 1
+    assert result.stdout == ""
+    assert "'path_to_db' is a required property" in result.stderr