Adding validate_str_contains

adding new validation method

Change-Id: I86a5464b259e9e8bb8533d9eefe48e16bf3619ed

framework/validation/validation.py

@@ -10,14 +10,16 @@ def validate_equals(observed_value: Any, expected_value: Any, validation_descrip
     This function will validate if the observed value matches the expected value with associated logging.
 
     Args:
-        observed_value: Value that we see on the system.
-        expected_value: Value that is expected and against which we are asserting.
-        validation_description: Description of this validation for logging purposes.
+        observed_value (Any): Value that we see on the system.
+        expected_value (Any): Value that is expected and against which we are asserting.
+        validation_description (str): Description of this validation for logging purposes.
 
     Returns: None
 
-    """
+    Raises:
+        Exception: raised when validate fails
 
+    """
     if observed_value == expected_value:
         get_logger().log_info(f"Validation Successful - {validation_description}")
     else:
@@ -27,23 +29,27 @@ def validate_equals(observed_value: Any, expected_value: Any, validation_descrip
         raise Exception("Validation Failed")
 
 
-def validate_equals_with_retry(function_to_execute: Callable[[], Any],
-                               expected_value: Any,
-                               validation_description: str,
-                               timeout: int = 30,
-                               polling_sleep_time: int = 5,) -> None:
+def validate_equals_with_retry(
+    function_to_execute: Callable[[], Any],
+    expected_value: Any,
+    validation_description: str,
+    timeout: int = 30,
+    polling_sleep_time: int = 5,
+) -> None:
     """
-      Validates that function_to_execute will return the expected value in the specified amount of time.
+    Validates that function_to_execute will return the expected value in the specified amount of time.
 
-      Args:
-        function_to_execute: The function to be executed repeatedly, taking no arguments and returning any value.
-        expected_value: The expected return value of the function.
-        validation_description: Description of this validation for logging purposes.
-        timeout: The maximum time (in seconds) to wait for the match.
-        polling_sleep_time: The interval of time to wait between calls to function_to_execute.
+    Args:
+      function_to_execute (Callable[[], Any]): The function to be executed repeatedly, taking no arguments and returning any value.
+      expected_value (Any): The expected return value of the function.
+      validation_description (str): Description of this validation for logging purposes.
+      timeout (int): The maximum time (in seconds) to wait for the match.
+      polling_sleep_time (int): The interval of time to wait between calls to function_to_execute.
+
+    Raises:
+        TimeoutError: raised when validate does not equal in the required time
 
     """
-
     get_logger().log_info(f"Attempting Validation - {validation_description}")
     end_time = time.time() + timeout
 
@@ -69,22 +75,44 @@ def validate_equals_with_retry(function_to_execute: Callable[[], Any],
                 raise TimeoutError(f"Timeout performing validation - {validation_description}")
 
 
-def validate_list_contains(observed_value: Any, expected_values: Any, validation_description: str) -> None:
+def validate_str_contains(observed_value: str, expected_value: str, validation_description: str) -> None:
     """
-    This function validates if the observed value matches ANY of the expected values
-    with associated logging.
+    This function will validate if the observed value contains the expected value.
 
     Args:
-        observed_value: Value that we see on the system.
-        expected_values: A LIST of values that are expected. The observed value
-        is checked against each of these.
-        validation_description: Description of this validation for logging purposes.
+        observed_value(str): Value that we see on the system.
+        expected_value(str): the value we are expecting to see in the observed value str.
+        validation_description (str): Description of this validation for logging purposes.
 
     Returns: None
 
-    Raises: Exception if the validation fails.
-    """
+    Raises:
+        Exception: when validate fails
 
+    """
+    if expected_value in observed_value:
+        get_logger().log_info(f"Validation Successful - {validation_description}")
+    else:
+        get_logger().log_error(f"Validation Failed - {validation_description}")
+        get_logger().log_error(f"Expected: {expected_value}")
+        get_logger().log_error(f"Observed: {observed_value}")
+        raise Exception("Validation Failed")
+
+
+def validate_list_contains(observed_value: Any, expected_values: Any, validation_description: str) -> None:
+    """
+    This function validates if the observed value matches ANY of the expected values with associated logging.
+
+    Args:
+        observed_value (Any): Value that we see on the system.
+        expected_values (Any): A LIST of values that are expected. The observed value is checked against each of these.
+        validation_description (str): Description of this validation for logging purposes.
+
+    Returns: None
+
+    Raises:
+        Exception: if the validation fails.
+    """
     if observed_value in expected_values:
         get_logger().log_info(f"Validation Successful - {validation_description}")
     else:

unit_tests/framework/validation/validaton_test.py

@@ -0,0 +1,27 @@
+from config.configuration_file_locations_manager import (
+    ConfigurationFileLocationsManager,
+)
+from config.configuration_manager import ConfigurationManager
+from framework.validation.validation import validate_str_contains
+
+
+def test_validate_str_contains():
+    """
+    Validates function validate_str_contains
+    """
+    configuration_locations_manager = ConfigurationFileLocationsManager()
+    ConfigurationManager.load_configs(configuration_locations_manager)
+    validate_str_contains("observed value contains: success", "success", "Test that the word success appears")
+
+
+def test_validate_str_contains_fails():
+    """
+    Validates function validate_str_contains fails when expected
+    """
+    configuration_locations_manager = ConfigurationFileLocationsManager()
+    ConfigurationManager.load_configs(configuration_locations_manager)
+    try:
+        validate_str_contains("observed value contains: <word not found>", "success", "Test that the word success appears")
+        assert False, "Validation passed when it should not have"  # if test succeeds, we should never get to this line
+    except Exception as e:
+        assert e.__str__() == "Validation Failed", "Validation failed as expected."