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Posts Categorized: Java Testing

Mocking APIs using WireMock for testing negative cases when it is not possible to change the API behaviour

Java Testing.

Mocking APIs using WireMock for testing negative cases when it is not possible to change the API behaviour

3 minutes readKey takeaways WireMock lets you produce failures a real API will not give you on demand: timeouts, 500s, malformed bodies. Negative paths are where most production incidents live and where coverage is usually thinnest. Pin stubs to the real contract so a provider change breaks the test rather than production. Why do we need to… Read more »

Structuring integration tests using JUnit categories by features, API or type of tests

Java Testing.

Structuring integration tests using JUnit categories by features, API or type of tests

3 minutes readKey takeaways Categories let one suite be sliced by speed or area, so CI can run the fast set per commit. Group by what you want to run together, not by package layout. Without a grouping strategy the whole suite runs every time, and then gets skipped. Why structure your integration tests ? When the… Read more »

How to Click a Link by Text in Selenium WebDriver Java

Java Testing UI Test Automation.

How to Click a Link by Text in Selenium WebDriver Java

2 minutes readKey takeaways linkText matches the full visible text; partialLinkText matches a substring. Both break on copy changes, so prefer a stable attribute when the text is likely to move. Whitespace and case matter, which is the usual reason a correct-looking locator fails. Here is how to click a link by text with Selenium WebDriver in… Read more »

How to Use the DataProvider in TestNG with a JAVA Example

Java Testing.

How to Use the DataProvider in TestNG with a JAVA Example

2 minutes readKey takeaways A DataProvider feeds many input sets into one test method, which keeps cases out of the code. Each row runs as a separate test, so a failure names the exact input. Keep the data external once it grows, so non-developers can extend the cases. We are going to show how to use the… Read more »

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