#106: tests: aircox_streamer (#110)

- Writes tests for aircox streamer application;
- Add test utilities in aircox

Co-authored-by: bkfox <thomas bkfox net>
Reviewed-on: rc/aircox#110

aircox_streamer/tests/test_connector.py

@@ -0,0 +1,70 @@
+import json
+import os
+import socket
+
+from .conftest import working_dir
+
+
+class TestConnector:
+    payload = "non_value_info\n" 'a="value_1"\n' 'b="value_b"\n' "END"
+    """Test payload."""
+    payload_data = {"a": "value_1", "b": "value_b"}
+    """Resulting data of payload."""
+
+    def test_open(self, connector):
+        assert connector.open() == 0
+        assert connector.is_open
+        assert connector.socket.family == socket.AF_UNIX
+        assert connector.socket.type == socket.SOCK_STREAM
+        assert connector.socket.address == os.path.join(
+            working_dir, "test.sock"
+        )
+        connector.close()
+
+    def test_open_af_inet(self, connector):
+        address = ("test", 30)
+        connector.address = address
+        assert connector.open() == 0
+        assert connector.is_open
+        assert connector.socket.family == socket.AF_INET
+        assert connector.socket.type == socket.SOCK_STREAM
+        assert connector.socket.address == address
+
+    def test_open_is_already_open(self, connector):
+        connector.open()
+        assert connector.open() == 1
+
+    def test_open_failure(self, fail_connector):
+        assert fail_connector.open() == -1
+        assert fail_connector.socket is None  # close() called
+
+    def test_close(self, connector):
+        connector.open()
+        assert connector.socket is not None
+        connector.close()
+        assert connector.socket is None
+
+    def test_send(self, connector):
+        connector.open()
+        connector.socket.recv_data = self.payload
+        result = connector.send("fake_action", parse=True)
+        assert result == self.payload_data
+
+    def test_send_open_failure(self, fail_connector):
+        assert fail_connector.send("fake_action", parse=True) is None
+
+    def test_parse(self, connector):
+        result = connector.parse(self.payload)
+        assert result == self.payload_data
+
+    def test_parse_json(self, connector):
+        # include case where json string is surrounded by '"'
+        dumps = '"' + json.dumps(self.payload_data) + '"'
+        result = connector.parse_json(dumps)
+        assert result == self.payload_data
+
+    def test_parse_json_empty_value(self, connector):
+        assert connector.parse_json('""') is None
+
+    def test_parse_json_failure(self, connector):
+        assert connector.parse_json("-- invalid json string --") is None