Fix np tests

[kooomix]

Type

Tests

---

Description

• Reduced the sleep time from 150 to 50 in the cleanup method of base_helm.py.
• Simplified the network policy validation in base_network_policy.py by removing the wait_for_report method call and directly calling the get_network_policies and get_network_policies_generate methods.
• Removed the error handling logic in validate_expected_backend_generated_network_policy_list method of base_network_policy.py.
• Refactored the network policy tests in network_policy.py by importing base_test, removing the uninstallation of Armo helm-chart from the test plans, adding wait_for_report method call before validating backend results, increasing sleep time in NetworkPolicyMultipleReplicas class, and changing the superclass of NetworkPolicyKnownServersCache class from BaseNetworkPolicy to base_test.BaseTest.
• Updated the target repositories for network_policy_multiple_replicas test in system_test_mapping.json.

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Changes walkthrough

	Relevant files
Tests	base_helm.py Reduced sleep time in cleanup method                                                          tests_scripts/helm/base_helm.py Reduced the sleep time from 150 to 50 in the cleanup method. +1/-1      base_network_policy.py Simplified network policy validation                                                          tests_scripts/helm/base_network_policy.py Removed the wait_for_report method call and directly called the get_network_policies and get_network_policies_generate methods. Removed the error handling logic in validate_expected_backend_generated_network_policy_list method. +4/-17    network_policy.py Refactored network policy tests                                                                    tests_scripts/helm/network_policy.py Imported base_test. Removed the uninstallation of Armo helm-chart from the test plans. Added wait_for_report method call before validating backend results in start method of NetworkPolicy, NetworkPolicyTrafficBeforeAndAfter, and NetworkPolicyKnownServers classes. Increased sleep time in start method of NetworkPolicyMultipleReplicas class. Changed the superclass of NetworkPolicyKnownServersCache class from BaseNetworkPolicy to base_test.BaseTest. +50/-18
Configuration changes	system_test_mapping.json Updated target repositories for a system test                                        system_test_mapping.json Changed the target repositories for network_policy_multiple_replicas test. +6/-6

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PR Description updated to latest commit (4e0ee9f)

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PR Analysis

(review updated until commit 4e0ee9f)

• 🎯 Main theme: Refactoring and improving tests for network policies
• 📝 PR summary: This PR focuses on refactoring and improving the tests for network policies. It includes changes to the sleep intervals, removal of unnecessary error handling, and changes to the validation of backend results. It also includes renaming of target repositories in the system test mapping.
• 📌 Type of PR: Tests
• 🧪 Relevant tests added: No
• ⏱️ Estimated effort to review [1-5]: 3, because the PR involves changes in multiple test scripts and requires understanding of the testing logic to review effectively.
• 🔒 Security concerns: No security concerns found

PR Feedback

💡 General suggestions: The changes made in this PR seem to be aimed at improving the efficiency and readability of the tests. However, it would be beneficial to include comments explaining the changes, especially where sleep intervals are changed or error handling is removed. This would help other developers understand the reasoning behind these changes.

🤖 Code feedback:

---

relevant file	tests_scripts/helm/base_network_policy.py
suggestion	Consider adding a fallback or retry mechanism in case the get_network_policies or get_network_policies_generate methods fail. This could help make the tests more robust. [important]
relevant line	res = self.backend.get_network_policies(cluster_name=cluster, namespace=namespace)

---

relevant file	tests_scripts/helm/network_policy.py
suggestion	The sleep interval has been increased. If this is to wait for a certain condition to be met, consider using a wait-until mechanism instead of a fixed sleep to make the tests more efficient. [medium]
relevant line	TestUtil.sleep(6 * int(duration_in_seconds), "wait for node-agent learning period", "info")

---

relevant file	system_test_mapping.json
suggestion	The target repositories have been renamed with a '-dummy' suffix. If these are placeholder values, consider using a more descriptive placeholder name or adding a comment to clarify. [medium]
relevant line	"helm-chart-dummy",

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Persistent review updated to latest commit 4e0ee9f

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PR Code Suggestions

	Suggestions
performance	Replace fixed sleep time with a retry mechanism.                              Instead of using a fixed sleep time, consider using a retry mechanism with a timeout. This can make the tests more robust and potentially faster, as they will continue as soon as the condition is met, rather than waiting a fixed amount of time. tests_scripts/helm/base_helm.py [59] -TestUtil.sleep(50, 'Waiting for aggregation to end') +TestUtil.retry_until_success(self.check_aggregation_end, timeout=50, sleep_interval=5)
possible issue	Add a check for the response status before accessing its content.             Consider checking the status of the response before accessing its content. This can prevent errors if the request fails for some reason. tests_scripts/helm/base_network_policy.py [215] res = self.backend.get_network_policies(cluster_name=cluster, namespace=namespace) +if res.status_code != 200: + raise Exception(f'Failed to get network policies: {res.content}') Replace placeholder repository names with actual names.                       Consider using the actual repository names instead of placeholders. This will ensure that the tests are run against the correct repositories. system_test_mapping.json [621] -helm-chart-dummy +helm-chart
best practice	Use a context manager for setup and cleanup operations.                       Consider using a context manager for setup and cleanup operations. This ensures that cleanup is always called, even if an error occurs during the test. tests_scripts/helm/network_policy.py [256] -cluster, namespace = self.setup(apply_services=False) +with self.setup(apply_services=False) as (cluster, namespace):

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