Adding tests for MsgLocal
[osm/common.git] / osm_common / tests / test_msglocal.py
diff --git a/osm_common/tests/test_msglocal.py b/osm_common/tests/test_msglocal.py
new file mode 100644 (file)
index 0000000..93cd19b
--- /dev/null
@@ -0,0 +1,372 @@
+import http
+import logging
+import pytest
+import tempfile
+import shutil
+import uuid
+import os
+import yaml
+import time
+import threading
+
+from unittest.mock import MagicMock
+from osm_common.msgbase import MsgException
+from osm_common.msglocal import MsgLocal
+
+__author__ = "Eduardo Sousa <eduardosousa@av.it.pt>"
+
+def valid_path():
+    return tempfile.gettempdir() + '/'
+
+def invalid_path():
+    return '/#tweeter/'
+
+@pytest.fixture
+def msg_local():
+    msg = MsgLocal()
+
+    yield msg
+
+    if msg.path and msg.path != invalid_path() and msg.path != valid_path():
+        msg.disconnect()
+        shutil.rmtree(msg.path)
+
+@pytest.fixture
+def msg_local_config():
+    msg = MsgLocal()
+    msg.connect({"path": valid_path() + str(uuid.uuid4())})
+    
+    yield msg
+    
+    msg.disconnect()
+    if msg.path != invalid_path():
+        shutil.rmtree(msg.path)
+
+@pytest.fixture
+def msg_local_with_data():
+    msg = MsgLocal()
+    msg.connect({"path": valid_path() + str(uuid.uuid4())})
+    
+    msg.write("topic1", "key1", "msg1")
+    msg.write("topic1", "key2", "msg1")
+    msg.write("topic2", "key1", "msg1")
+    msg.write("topic2", "key2", "msg1")
+    msg.write("topic1", "key1", "msg2")
+    msg.write("topic1", "key2", "msg2")
+    msg.write("topic2", "key1", "msg2")
+    msg.write("topic2", "key2", "msg2")
+
+    yield msg
+    
+    msg.disconnect()
+    if msg.path != invalid_path():
+        shutil.rmtree(msg.path)
+
+def empty_exception_message():
+    return "messaging exception "
+
+def test_constructor():
+    msg = MsgLocal()
+
+    assert msg.logger == logging.getLogger('msg')
+    assert msg.path == None
+    assert len(msg.files) == 0
+
+def test_constructor_with_logger():
+    logger_name = 'msg_local'
+
+    msg = MsgLocal(logger_name=logger_name)
+
+    assert msg.logger == logging.getLogger(logger_name)
+    assert msg.path == None
+    assert len(msg.files) == 0
+
+@pytest.mark.parametrize("config, logger_name, path", [
+    ({"logger_name": "msg_local", "path": valid_path()}, "msg_local", valid_path()),
+    ({"logger_name": "msg_local", "path": valid_path()[:-1]}, "msg_local", valid_path()),
+    ({"logger_name": "msg_local", "path": valid_path() + "test_it/"}, "msg_local", valid_path() + "test_it/"),
+    ({"logger_name": "msg_local", "path": valid_path() + "test_it"}, "msg_local", valid_path() + "test_it/"),
+    ({"path": valid_path()}, "msg", valid_path()),
+    ({"path": valid_path()[:-1]}, "msg", valid_path()),
+    ({"path": valid_path() + "test_it/"}, "msg", valid_path() + "test_it/"),
+    ({"path": valid_path() + "test_it"}, "msg", valid_path() + "test_it/")])
+def test_connect(msg_local, config, logger_name, path):
+    msg_local.connect(config)
+
+    assert msg_local.logger == logging.getLogger(logger_name)
+    assert msg_local.path == path
+    assert len(msg_local.files) == 0
+
+@pytest.mark.parametrize("config", [
+    ({"logger_name": "msg_local", "path": invalid_path()}),
+    ({"path": invalid_path()})])
+def test_connect_with_exception(msg_local, config):
+    with pytest.raises(MsgException) as excinfo:
+        msg_local.connect(config)
+    assert str(excinfo.value).startswith(empty_exception_message())
+    assert excinfo.value.http_code == http.HTTPStatus.INTERNAL_SERVER_ERROR
+
+def test_disconnect():
+    pass
+
+@pytest.mark.parametrize("topic, key, msg", [
+    ("test_topic", "test_key", "test_msg"),
+    ("test", "test_key", "test_msg"),
+    ("test_topic", "test", "test_msg"),
+    ("test_topic", "test_key", "test"),
+    ("test_topic", "test_list", ["a", "b", "c"]),
+    ("test_topic", "test_tuple", ("c", "b", "a")),
+    ("test_topic", "test_dict", {"a": 1, "b": 2, "c": 3}),
+    ("test_topic", "test_number", 123),
+    ("test_topic", "test_float", 1.23),
+    ("test_topic", "test_boolean", True),
+    ("test_topic", "test_none", None)])
+def test_write(msg_local_config, topic, key, msg):
+    file_path = msg_local_config.path + topic
+    
+    msg_local_config.write(topic, key, msg)
+
+    assert os.path.exists(file_path)
+
+    with open(file_path, 'r') as stream:
+        assert yaml.load(stream) == {key: msg if not isinstance(msg, tuple) else list(msg)}
+
+@pytest.mark.parametrize("topic, key, msg, times", [
+    ("test_topic", "test_key", "test_msg", 2),
+    ("test", "test_key", "test_msg", 3),
+    ("test_topic", "test", "test_msg", 4),
+    ("test_topic", "test_key", "test", 2),
+    ("test_topic", "test_list", ["a", "b", "c"], 3),
+    ("test_topic", "test_tuple", ("c", "b", "a"), 4),
+    ("test_topic", "test_dict", {"a": 1, "b": 2, "c": 3}, 2),
+    ("test_topic", "test_number", 123, 3),
+    ("test_topic", "test_float", 1.23, 4),
+    ("test_topic", "test_boolean", True, 2),
+    ("test_topic", "test_none", None, 3)])
+def test_write_with_multiple_calls(msg_local_config, topic, key, msg, times):
+    file_path = msg_local_config.path + topic
+    
+    for _ in range(times):
+        msg_local_config.write(topic, key, msg)
+
+    assert os.path.exists(file_path)
+
+    with open(file_path, 'r') as stream:
+        for _ in range(times):
+            data = stream.readline()
+            assert yaml.load(data) == {key: msg if not isinstance(msg, tuple) else list(msg)}
+
+def test_write_exception(msg_local_config):
+    msg_local_config.files = MagicMock()
+    msg_local_config.files.__contains__.side_effect = Exception()
+    
+    with pytest.raises(MsgException) as excinfo:
+        msg_local_config.write("test", "test", "test")
+    assert str(excinfo.value).startswith(empty_exception_message())
+    assert excinfo.value.http_code == http.HTTPStatus.INTERNAL_SERVER_ERROR
+
+@pytest.mark.parametrize("topics, datas", [
+    (["topic"], [{"key": "value"}]),
+    (["topic1"], [{"key": "value"}]),
+    (["topic2"], [{"key": "value"}]),
+    (["topic", "topic1"], [{"key": "value"}]),
+    (["topic", "topic2"], [{"key": "value"}]),
+    (["topic1", "topic2"], [{"key": "value"}]),
+    (["topic", "topic1", "topic2"], [{"key": "value"}]),
+    (["topic"], [{"key": "value"}, {"key1": "value1"}]),
+    (["topic1"], [{"key": "value"}, {"key1": "value1"}]),
+    (["topic2"], [{"key": "value"}, {"key1": "value1"}]),
+    (["topic", "topic1"], [{"key": "value"}, {"key1": "value1"}]),
+    (["topic", "topic2"], [{"key": "value"}, {"key1": "value1"}]),
+    (["topic1", "topic2"], [{"key": "value"}, {"key1": "value1"}]),
+    (["topic", "topic1", "topic2"], [{"key": "value"}, {"key1": "value1"}])])
+def test_read(msg_local_with_data, topics, datas):
+    def write_to_topic(topics, datas):
+        time.sleep(2)
+        for topic in topics:
+            for data in datas:
+                with open(msg_local_with_data.path + topic, "a+") as fp:
+                    yaml.safe_dump(data, fp, default_flow_style=True, width=20000)
+                    fp.flush()
+
+    # If file is not opened first, the messages written won't be seen
+    for topic in topics:
+        if topic not in msg_local_with_data.files:
+            msg_local_with_data.read(topic, blocks=False)
+
+    t = threading.Thread(target=write_to_topic, args=(topics, datas))
+    t.start()
+
+    for topic in topics:
+        for data in datas:
+            recv_topic, recv_key, recv_msg = msg_local_with_data.read(topic)
+
+            key = list(data.keys())[0]
+            val = data[key]
+
+            assert recv_topic == topic
+            assert recv_key == key
+            assert recv_msg == val
+    
+    t.join()
+
+@pytest.mark.parametrize("topics, datas", [
+    (["topic"], [{"key": "value"}]),
+    (["topic1"], [{"key": "value"}]),
+    (["topic2"], [{"key": "value"}]),
+    (["topic", "topic1"], [{"key": "value"}]),
+    (["topic", "topic2"], [{"key": "value"}]),
+    (["topic1", "topic2"], [{"key": "value"}]),
+    (["topic", "topic1", "topic2"], [{"key": "value"}]),
+    (["topic"], [{"key": "value"}, {"key1": "value1"}]),
+    (["topic1"], [{"key": "value"}, {"key1": "value1"}]),
+    (["topic2"], [{"key": "value"}, {"key1": "value1"}]),
+    (["topic", "topic1"], [{"key": "value"}, {"key1": "value1"}]),
+    (["topic", "topic2"], [{"key": "value"}, {"key1": "value1"}]),
+    (["topic1", "topic2"], [{"key": "value"}, {"key1": "value1"}]),
+    (["topic", "topic1", "topic2"], [{"key": "value"}, {"key1": "value1"}])])
+def test_read_non_block(msg_local_with_data, topics, datas):
+    def write_to_topic(topics, datas):
+        for topic in topics:
+            for data in datas:
+                with open(msg_local_with_data.path + topic, "a+") as fp:
+                    yaml.safe_dump(data, fp, default_flow_style=True, width=20000)
+                    fp.flush()
+
+    # If file is not opened first, the messages written won't be seen
+    for topic in topics:
+        if topic not in msg_local_with_data.files:
+            msg_local_with_data.read(topic, blocks=False)
+
+    t = threading.Thread(target=write_to_topic, args=(topics, datas))
+    t.start()
+
+    time.sleep(2)
+
+    for topic in topics:
+        for data in datas:
+            recv_topic, recv_key, recv_msg = msg_local_with_data.read(topic, blocks=False)
+
+            key = list(data.keys())[0]
+            val = data[key]
+
+            assert recv_topic == topic
+            assert recv_key == key
+            assert recv_msg == val
+    
+    t.join()
+
+@pytest.mark.parametrize("topics, datas", [
+    (["topic"], [{"key": "value"}]),
+    (["topic1"], [{"key": "value"}]),
+    (["topic2"], [{"key": "value"}]),
+    (["topic", "topic1"], [{"key": "value"}]),
+    (["topic", "topic2"], [{"key": "value"}]),
+    (["topic1", "topic2"], [{"key": "value"}]),
+    (["topic", "topic1", "topic2"], [{"key": "value"}]),
+    (["topic"], [{"key": "value"}, {"key1": "value1"}]),
+    (["topic1"], [{"key": "value"}, {"key1": "value1"}]),
+    (["topic2"], [{"key": "value"}, {"key1": "value1"}]),
+    (["topic", "topic1"], [{"key": "value"}, {"key1": "value1"}]),
+    (["topic", "topic2"], [{"key": "value"}, {"key1": "value1"}]),
+    (["topic1", "topic2"], [{"key": "value"}, {"key1": "value1"}]),
+    (["topic", "topic1", "topic2"], [{"key": "value"}, {"key1": "value1"}])])
+def test_read_non_block_none(msg_local_with_data, topics, datas):
+    def write_to_topic(topics, datas):
+        time.sleep(2)
+        for topic in topics:
+            for data in datas:
+                with open(msg_local_with_data.path + topic, "a+") as fp:
+                    yaml.safe_dump(data, fp, default_flow_style=True, width=20000)
+                    fp.flush()
+
+    # If file is not opened first, the messages written won't be seen
+    for topic in topics:
+        if topic not in msg_local_with_data.files:
+            msg_local_with_data.read(topic, blocks=False)
+
+    t = threading.Thread(target=write_to_topic, args=(topics, datas))
+    t.start()
+
+    for topic in topics:
+        recv_data = msg_local_with_data.read(topic, blocks=False)
+
+        assert recv_data == None
+    
+    t.join()
+
+@pytest.mark.parametrize("blocks", [
+    (True),
+    (False)])
+def test_read_exception(msg_local_with_data, blocks):
+    msg_local_with_data.files = MagicMock()
+    msg_local_with_data.files.__contains__.side_effect = Exception()
+
+    with pytest.raises(MsgException) as excinfo:
+        msg_local_with_data.read("topic1", blocks=blocks)
+    assert str(excinfo.value).startswith(empty_exception_message())
+    assert excinfo.value.http_code == http.HTTPStatus.INTERNAL_SERVER_ERROR
+
+@pytest.mark.parametrize("topics, datas", [
+    (["topic"], [{"key": "value"}]),
+    (["topic1"], [{"key": "value"}]),
+    (["topic2"], [{"key": "value"}]),
+    (["topic", "topic1"], [{"key": "value"}]),
+    (["topic", "topic2"], [{"key": "value"}]),
+    (["topic1", "topic2"], [{"key": "value"}]),
+    (["topic", "topic1", "topic2"], [{"key": "value"}]),
+    (["topic"], [{"key": "value"}, {"key1": "value1"}]),
+    (["topic1"], [{"key": "value"}, {"key1": "value1"}]),
+    (["topic2"], [{"key": "value"}, {"key1": "value1"}]),
+    (["topic", "topic1"], [{"key": "value"}, {"key1": "value1"}]),
+    (["topic", "topic2"], [{"key": "value"}, {"key1": "value1"}]),
+    (["topic1", "topic2"], [{"key": "value"}, {"key1": "value1"}]),
+    (["topic", "topic1", "topic2"], [{"key": "value"}, {"key1": "value1"}])])
+def test_aioread(msg_local_with_data, event_loop, topics, datas):
+    def write_to_topic(topics, datas):
+        time.sleep(2)
+        for topic in topics:
+            for data in datas:
+                with open(msg_local_with_data.path + topic, "a+") as fp:
+                    yaml.safe_dump(data, fp, default_flow_style=True, width=20000)
+                    fp.flush()
+
+    # If file is not opened first, the messages written won't be seen
+    for topic in topics:
+        if topic not in msg_local_with_data.files:
+            msg_local_with_data.read(topic, blocks=False)
+
+    t = threading.Thread(target=write_to_topic, args=(topics, datas))
+    t.start()
+
+    for topic in topics:
+        for data in datas:
+            recv = event_loop.run_until_complete(msg_local_with_data.aioread(topic, event_loop))
+            recv_topic, recv_key, recv_msg = recv
+
+            key = list(data.keys())[0]
+            val = data[key]
+
+            assert recv_topic == topic
+            assert recv_key == key
+            assert recv_msg == val
+    
+    t.join()
+
+def test_aioread_exception(msg_local_with_data, event_loop):
+    msg_local_with_data.files = MagicMock()
+    msg_local_with_data.files.__contains__.side_effect = Exception()
+
+    with pytest.raises(MsgException) as excinfo:
+        event_loop.run_until_complete(msg_local_with_data.aioread("topic1", event_loop))
+    assert str(excinfo.value).startswith(empty_exception_message())
+    assert excinfo.value.http_code == http.HTTPStatus.INTERNAL_SERVER_ERROR
+
+def test_aioread_general_exception(msg_local_with_data, event_loop):
+    msg_local_with_data.read = MagicMock()
+    msg_local_with_data.read.side_effect = Exception()
+
+    with pytest.raises(MsgException) as excinfo:
+        event_loop.run_until_complete(msg_local_with_data.aioread("topic1", event_loop))
+    assert str(excinfo.value).startswith(empty_exception_message())
+    assert excinfo.value.http_code == http.HTTPStatus.INTERNAL_SERVER_ERROR
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