WIP: add PlatformConfigProvider

dbt_platform_helper/providers/test_platform_config.py

@@ -0,0 +1,51 @@
+from pathlib import Path
+
+import yaml
+
+from dbt_platform_helper.constants import PLATFORM_CONFIG_FILE
+
+
+class PlatformConfigProvider:
+    def __init__(self, platform_config_file=None):
+        self.platform_config_file = (
+            platform_config_file if platform_config_file else PLATFORM_CONFIG_FILE
+        )
+
+    def _read_config_file_contents(self):
+        if Path(self.platform_config_file).exists():
+            return Path(self.platform_config_file).read_text()
+
+    def load_unvalidated_config_file(self):
+        file_contents = self._read_config_file_contents()
+        if not file_contents:
+            return {}
+        try:
+            return yaml.safe_load(file_contents)
+        except yaml.parser.ParserError:
+            return {}
+
+    # def get_environment_pipeline_names():
+    #     pipelines_config = load_unvalidated_config_file().get("environment_pipelines")
+    #     if pipelines_config:
+    #         return pipelines_config.keys()
+    #     return {}
+
+    # def is_terraform_project() -> bool:
+    #     config = yaml.safe_load(Path(PLATFORM_CONFIG_FILE).read_text())
+    #     return not config.get("legacy_project", False)
+
+
+def test_platform_config_provider_reads_config_from_default_file(fs):
+    fs.create_file("platform-config.yml", contents=yaml.dump({"application": "test-squiggly-app"}))
+    platform_config_provider = PlatformConfigProvider()
+    config = platform_config_provider.load_unvalidated_config_file()
+    assert config["application"] == "test-squiggly-app"
+
+
+def test_platform_config_provider_reads_config_from_custom_config_file(fs):
+    fs.create_file(
+        "platform-config-2.yml", contents=yaml.dump({"application": "test-squiggly-app"})
+    )
+    platform_config_provider = PlatformConfigProvider("platform-config-2.yml")
+    config = platform_config_provider.load_unvalidated_config_file()
+    assert config["application"] == "test-squiggly-app"

pyproject.toml

@@ -52,6 +52,7 @@ pre-commit = "^3.3.3"
 freezegun = "^1.2.2"
 parameterized = "^0.9.0"
 pytest-xdist = "^3.5.0"
+pytest-watch = "^4.2.0"
 
 [build-system]
 requires = ["poetry-core"]