update to 1.0.2

source/tests/mock_packages/mysql/connection.py

@@ -0,0 +1,51 @@
+"""Module containing a connection class."""
+
+from pathlib import Path
+
+from .cursor import Cursor
+from .error import Error
+
+open_connections_file = Path(__file__).parent / "open_connections.txt"
+
+
+class Connection:
+    """Class mocking a connection to a MySQL server."""
+
+    def __init__(self, *args, consider_open=True, **kwargs):
+        self.open_connections += consider_open
+        self.open: bool = consider_open
+
+    def cursor(self) -> Cursor:
+        """Return the cursor for the connection."""
+
+        self._cursor = Cursor()
+        return self._cursor
+
+    def close(self):
+        """Close connection."""
+
+        if not self.open:
+            raise Error("Connection already closed")
+
+        self.open = False
+        self.open_connections -= 1
+
+    def commit(self):
+        """Save all changes to the database."""
+
+    def is_connected(self) -> bool:
+        """Return if the connection is open."""
+
+        return self.open
+
+    @property
+    def open_connections(self):
+        with open(open_connections_file, "r", encoding="utf-8") as f:
+            contents = f.read()
+            return int(contents)
+
+    @open_connections.setter
+    def open_connections(self, value: int):
+        value = value if value > 0 else 0
+        with open(open_connections_file, "w", encoding="utf-8") as f:
+            f.write(str(value))