diff --git a/cachet_url_monitor/configuration.py b/cachet_url_monitor/configuration.py
index 8a343c0..dcd5ce2 100644
--- a/cachet_url_monitor/configuration.py
+++ b/cachet_url_monitor/configuration.py
@@ -329,6 +329,9 @@ class Expectation(object):
             'LATENCY': Latency,
             'REGEX': Regex
         }
+        if configuration['type'] not in expectations:
+            raise ConfigurationValidationError(f"Invalid type: {configuration['type']}")
+
         return expectations.get(configuration['type'])(configuration)
 
     def __init__(self, configuration):
diff --git a/setup.py b/setup.py
index 753c8e1..a40b352 100644
--- a/setup.py
+++ b/setup.py
@@ -3,7 +3,7 @@
 from setuptools import setup
 
 setup(name='cachet-url-monitor',
-      version='0.6.0',
+      version='0.6.1',
       description='Cachet URL monitor plugin',
       author='Mitsuo Takaki',
       author_email='mitsuotakaki@gmail.com',
diff --git a/tests/configs/config.yml b/tests/configs/config.yml
new file mode 100644
index 0000000..d514bf5
--- /dev/null
+++ b/tests/configs/config.yml
@@ -0,0 +1,26 @@
+endpoints:
+  - name: foo
+    url: http://localhost:8080/swagger
+    method: GET
+    header:
+      SOME-HEADER: SOME-VALUE
+    timeout: 0.01
+    expectation:
+      - type: HTTP_STATUS
+        status_range: 200-300
+        incident: MAJOR
+      - type: LATENCY
+        threshold: 1
+      - type: REGEX
+        regex: '.*(<body).*'
+    allowed_fails: 0
+    component_id: 1
+    action:
+      - CREATE_INCIDENT
+      - UPDATE_STATUS
+    public_incidents: true
+    latency_unit: ms
+    frequency: 30
+cachet:
+  api_url: https://demo.cachethq.io/api/v1
+  token: my_token
diff --git a/tests/configs/config_invalid_type.yml b/tests/configs/config_invalid_type.yml
new file mode 100644
index 0000000..dc28e4e
--- /dev/null
+++ b/tests/configs/config_invalid_type.yml
@@ -0,0 +1,22 @@
+endpoints:
+  - name: foo
+    url: http://localhost:8080/swagger
+    method: GET
+    header:
+      SOME-HEADER: SOME-VALUE
+    timeout: 0.01
+    expectation:
+      - type: HTTP
+        status_range: 200-300
+        incident: MAJOR
+    allowed_fails: 0
+    component_id: 1
+    action:
+      - CREATE_INCIDENT
+      - UPDATE_STATUS
+    public_incidents: true
+    latency_unit: ms
+    frequency: 30
+cachet:
+  api_url: https://demo.cachethq.io/api/v1
+  token: my_token
diff --git a/tests/configs/config_multiple_urls.yml b/tests/configs/config_multiple_urls.yml
new file mode 100644
index 0000000..871ba66
--- /dev/null
+++ b/tests/configs/config_multiple_urls.yml
@@ -0,0 +1,28 @@
+endpoints:
+  - name: foo
+    url: http://localhost:8080/swagger
+    method: GET
+    expectation:
+      - type: HTTP_STATUS
+        status_range: 200-300
+    allowed_fails: 0
+    component_id: 1
+    latency_unit: ms
+    frequency: 30
+    timeout: 1
+    public_incidents: true
+  - name: bar
+    url: http://localhost:8080/bar
+    method: POST
+    expectation:
+      - type: HTTP_STATUS
+        status_range: 500
+    allowed_fails: 0
+    component_id: 2
+    latency_unit: ms
+    frequency: 30
+    timeout: 1
+    public_incidents: true
+cachet:
+  api_url: https://demo.cachethq.io/api/v1
+  token: my_token
diff --git a/tests/test_configuration.py b/tests/test_configuration.py
index 947091f..8dd65cc 100644
--- a/tests/test_configuration.py
+++ b/tests/test_configuration.py
@@ -3,6 +3,7 @@ import sys
 import unittest
 
 import mock
+import pytest
 from requests import ConnectionError, HTTPError, Timeout
 from yaml import load, SafeLoader
 
@@ -32,7 +33,8 @@ class ConfigurationTest(unittest.TestCase):
 
         sys.modules['requests'].get = get
 
-        self.configuration = Configuration(load(open('config.yml', 'r'), SafeLoader), 0)
+        self.configuration = Configuration(
+            load(open(os.path.join(os.path.dirname(__file__), 'configs/config.yml'), 'rt'), SafeLoader), 0)
         sys.modules['requests'].Timeout = Timeout
         sys.modules['requests'].ConnectionError = ConnectionError
         sys.modules['requests'].HTTPError = HTTPError
@@ -174,3 +176,57 @@ class ConfigurationTest(unittest.TestCase):
         self.assertEqual(self.configuration.status, cachet_url_monitor.status.COMPONENT_STATUS_OPERATIONAL,
                          'Incorrect component update parameters')
         self.configuration.push_status()
+
+
+class ConfigurationMultipleUrlTest(unittest.TestCase):
+    @mock.patch.dict(os.environ, {'CACHET_TOKEN': 'token2'})
+    def setUp(self):
+        def getLogger(name):
+            self.mock_logger = mock.Mock()
+            return self.mock_logger
+
+        sys.modules['logging'].getLogger = getLogger
+
+        def get(url, headers):
+            get_return = mock.Mock()
+            get_return.ok = True
+            get_return.json = mock.Mock()
+            get_return.json.return_value = {'data': {'status': 1, 'default_value': 0.5}}
+            return get_return
+
+        sys.modules['requests'].get = get
+
+        config_yaml = load(open(os.path.join(os.path.dirname(__file__), 'configs/config_multiple_urls.yml'), 'rt'),
+                           SafeLoader)
+        self.configuration = []
+
+        for index in range(len(config_yaml['endpoints'])):
+            self.configuration.append(Configuration(config_yaml, index))
+
+        sys.modules['requests'].Timeout = Timeout
+        sys.modules['requests'].ConnectionError = ConnectionError
+        sys.modules['requests'].HTTPError = HTTPError
+
+    def test_init(self):
+        expected_method = ['GET', 'POST']
+        expected_url = ['http://localhost:8080/swagger', 'http://localhost:8080/bar']
+
+        for index in range(len(self.configuration)):
+            config = self.configuration[index]
+            self.assertEqual(len(config.data), 2, 'Number of root elements in config.yml is incorrect')
+            self.assertEqual(len(config.expectations), 1, 'Number of expectations read from file is incorrect')
+            self.assertDictEqual(config.headers, {'X-Cachet-Token': 'token2'}, 'Header was not set correctly')
+            self.assertEqual(config.api_url, 'https://demo.cachethq.io/api/v1',
+                             'Cachet API URL was set incorrectly')
+
+            self.assertEqual(expected_method[index], config.endpoint_method)
+            self.assertEqual(expected_url[index], config.endpoint_url)
+
+
+class ConfigurationNegativeTest(unittest.TestCase):
+    @mock.patch.dict(os.environ, {'CACHET_TOKEN': 'token2'})
+    def test_init(self):
+        with pytest.raises(cachet_url_monitor.configuration.ConfigurationValidationError):
+            self.configuration = Configuration(
+                load(open(os.path.join(os.path.dirname(__file__), 'configs/config_invalid_type.yml'), 'rt'),
+                     SafeLoader), 0)