Add some basic endpoints to the config app backend

rename files to avoid overlap with quay app

config_app/config_util/config/testprovider.py

@@ -0,0 +1,81 @@
+import json
+import io
+import os
+from datetime import datetime, timedelta
+
+from config_util.config.baseprovider import BaseProvider
+
+REAL_FILES = ['test/data/signing-private.gpg', 'test/data/signing-public.gpg', 'test/data/test.pem']
+
+
+class TestConfigProvider(BaseProvider):
+    """ Implementation of the config provider for testing. Everything is kept in-memory instead on
+        the real file system. """
+    def __init__(self):
+        self.clear()
+
+    def clear(self):
+        self.files = {}
+        self._config = {}
+
+    @property
+    def provider_id(self):
+        return 'test'
+
+    def update_app_config(self, app_config):
+        self._config = app_config
+
+    def get_config(self):
+        if not 'config.yaml' in self.files:
+            return None
+
+        return json.loads(self.files.get('config.yaml', '{}'))
+
+    def save_config(self, config_obj):
+        self.files['config.yaml'] = json.dumps(config_obj)
+
+    def config_exists(self):
+        return 'config.yaml' in self.files
+
+    def volume_exists(self):
+        return True
+
+    def volume_file_exists(self, filename):
+        if filename in REAL_FILES:
+            return True
+
+        return filename in self.files
+
+    def save_volume_file(self, filename, flask_file):
+        self.files[filename] = flask_file.read()
+
+    def write_volume_file(self, filename, contents):
+        self.files[filename] = contents
+
+    def get_volume_file(self, filename, mode='r'):
+        if filename in REAL_FILES:
+            return open(filename, mode=mode)
+
+        return io.BytesIO(self.files[filename])
+
+    def remove_volume_file(self, filename):
+        self.files.pop(filename, None)
+
+    def list_volume_directory(self, path):
+        paths = []
+        for filename in self.files:
+            if filename.startswith(path):
+                paths.append(filename[len(path)+1:])
+
+        return paths
+
+    def requires_restart(self, app_config):
+        return False
+
+    def reset_for_test(self):
+        self._config['SUPER_USERS'] = ['devtable']
+        self.files = {}
+
+    def get_volume_path(self, directory, filename):
+        return os.path.join(directory, filename)
+