Improve Unit Test Coverage and Cache Functionality for QuoteScraper

[smog-root]

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Summary:

This PR introduces improvements to the testing suite for the QuoteScraper class. It refines the existing unit tests, ensuring better handling of dynamic fields, better test coverage, and improved reliability of the tests.

Detailed Changes:

test_parse_quote_element_valid:

• Refined the test to ignore the scraped_at field when comparing the expected and actual Quote objects, ensuring a stable comparison for the remaining fields.

test_parse_quote_element_missing_author:

• This test verifies that when a quote is missing an author, it properly returns None.

test_cache_functionality:

• This test mocks the cache loading (load_cache) and saving (save_cache) methods to verify that cached quotes are correctly reused and updated during scraping.

test_parse_quote_element_with_datetime_mock:

• Mocked datetime.now() to return a fixed timestamp, ensuring that tests involving scraped_at are consistent and deterministic.

test_fetch_page_failure:

• Enhanced the failure test to check that the scraper handles errors correctly when a page fetch fails (e.g., 404 or timeout).

[github-actions]

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[UTSAVS26]

@smog-root where is the issue for this PR?

[smog-root]

@smog-root where is the issue for this PR?

Creating a issue and then getting assigned.. takes time.. so I directly submitted PR!

[UTSAVS26]

@smog-root where is the issue for this PR?

Creating a issue and then getting assigned.. takes time.. so I directly submitted PR!

Please follow this process:

1. First, raise an issue in the repository.
2. Wait for the maintainers or me to verify whether the issue is valid.
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4. After the assignment, you can then proceed to open a pull request (PR).

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