feat(config): add configuration for host and dbname

README.md

@@ -10,6 +10,7 @@ A mongo mocking library with an ephemeral MongoDB running in memory.
 
 - Tooling enhancements. [[PR #90](https://github.com/kaizendorks/pymongo_inmemory/pull/90)]
 - Configuration for data directory. [[PR #90](https://github.com/kaizendorks/pymongo_inmemory/pull/91)]
+- Configuration for data directory. [[PR #90](https://github.com/kaizendorks/pymongo_inmemory/pull/94)]
 
 ### v0.3.1
 
@@ -74,6 +75,8 @@ with MongoClient() as client:
 |         | `download_folder`    | Override the default download location.                                                                    | pymongo_inmemory/.cache/download                                                                                           |
 |         | `extract_folder`     | Override the default extraction location.                                                                  | pymongo_inmemory/.cache/extract                                                                                            |
 | **NEW** | `mongod_data_folder` | Provide a data folder to be used by MongoD.                                                                | A `TemporaryDirectory` will be used                                                                                        |
+| **NEW** | `mongo_client_host`  | Hostname or connection string                                                                              |                                                                                                                            |
+| **NEW** | `dbname`             | Provide a database name to connect                                                                         | 'pimtest'                                                                                                                  |
 |         |                      |                                                                                                            |
 
 - \***_Note 1:_** Generic Linux version offering for MongoDB ends with version **4.0.23**. If the operating system is just `linux` and if selected MongoDB version is higher, it will default to `4.0.23`.

pymongo_inmemory/_pim.py

@@ -7,6 +7,10 @@
 class MongoClient(pymongo.MongoClient):
     def __init__(self, host=None, port=None, **kwargs):
         self._pim_context: Context = Context()
+        if port is not None:
+            self._pim_context.mongod_port = port
+        if host is not None:
+            self._pim_context.mongo_client_host = host
         self._mongod = Mongod(self._pim_context)
         self._mongod.start()
         super().__init__(self._mongod.connection_string, **kwargs)

pymongo_inmemory/context.py

@@ -104,6 +104,8 @@ def __init__(
         self.mongo_version = conf("mongo_version", version)
         self.mongod_port = conf("mongod_port", None, coerce_with=int)
         self.mongod_data_folder = conf("mongod_data_folder", None)
+        self.dbname = conf("dbname", "pimtest")
+        self.mongo_client_host = conf("mongo_client_host", None)
 
         self.operating_system = self._build_operating_system_info(os_name)
         self.os_version = conf("os_version", os_ver)
@@ -131,10 +133,11 @@ def __str__(self):
             f"Mongo Version {self.mongo_version}\n"
             f"MongoD Port {self.mongod_port}\n"
             f"MongoD Data Folder {self.mongod_data_folder}\n"
+            f"Database Name {self.dbname}\n"
             f"OS Name {self.operating_system}\n"
             f"OS Version {self.os_version}\n"
             f"Download URL {self.download_url}\n"
-            f"URL hash {self.url_hash}\n"
+            f"URL Hash {self.url_hash}\n"
             f"Download Version {self.downloaded_version}\n"
             f"Ignore Cache {self.ignore_cache}\n"
             f"Use Local MongoD {self.use_local_mongod}\n"

pymongo_inmemory/mongod.py

@@ -61,6 +61,26 @@ def port(self):
         else:
             return set_port
 
+    @property
+    def connection_string(self):
+        if self._pim_context.mongo_client_host is not None:
+            if self._pim_context.mongo_client_host.startswith("mongodb://"):
+                return self._pim_context.mongo_client_host
+            else:
+                self.local_address = self._pim_context.mongo_client_host
+
+        if self.local_address is not None and self.port is not None:
+            if self._pim_context.dbname is None:
+                return "mongodb://{host}:{port}".format(
+                    host=self.local_address, port=self.port
+                )
+            else:
+                return "mongodb://{host}:{port}/{dbname}".format(
+                    host=self.local_address,
+                    port=self.port,
+                    dbname=self._pim_context.dbname,
+                )
+
 
 class Mongod:
     """Wrapper for MongoDB daemon instance. Can be used with context managers.
@@ -146,12 +166,11 @@ def connection_string(self):
         if self._connection_string is not None:
             return self._connection_string
 
-        if self.config.local_address is not None and self.config.port is not None:
-            self._connection_string = "mongodb://{host}:{port}".format(
-                host=self.config.local_address, port=self.config.port
-            )
-        else:
-            self._connection_string = None
+        self._connection_string = (
+            self.config.connection_string
+            if self.config.connection_string is not None
+            else None
+        )
 
         return self._connection_string
 

tests/unit/test_mongod.py

@@ -2,7 +2,6 @@
 
 from pymongo_inmemory.mongod import Mongod
 import pymongo_inmemory.downloader as downloader
-from pymongo_inmemory.context import Context
 
 
 class Popen:
@@ -25,13 +24,33 @@ def download():
     return ""
 
 
-def test_mongod(monkeypatch):
+def test_mongod_data_folder_config(monkeypatch):
     monkeypatch.setattr(subprocess, "Popen", Popen)
     monkeypatch.setattr(Mongod, "is_healthy", returns_true)
     monkeypatch.setattr(downloader, "download", download)
 
-    context = Context()
-    context.mongod_data_folder = "TEST"
+    monkeypatch.setenv("PYMONGOIM__MONGOD_DATA_FOLDER", "TEST")
 
-    with Mongod(context) as md:
+    with Mongod(None) as md:
         assert md.data_folder == "TEST"
+
+
+def test_dbname_config(monkeypatch):
+    monkeypatch.setattr(subprocess, "Popen", Popen)
+    monkeypatch.setattr(Mongod, "is_healthy", returns_true)
+    monkeypatch.setattr(downloader, "download", download)
+
+    monkeypatch.setenv("PYMONGOIM__DBNAME", "TEST")
+
+    with Mongod(None) as md:
+        assert md.config.connection_string.endswith("TEST")
+
+
+def test_mongo_client_host_config(monkeypatch):
+    monkeypatch.setattr(subprocess, "Popen", Popen)
+    monkeypatch.setattr(Mongod, "is_healthy", returns_true)
+    monkeypatch.setattr(downloader, "download", download)
+    monkeypatch.setenv("PYMONGOIM__MONGO_CLIENT_HOST", "mongodb://test")
+
+    with Mongod(None) as md:
+        assert md.config.connection_string == "mongodb://test"