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A diagnostic guide for resolving 'Unable to resolve host' and 'Connection Refused' errors in Karate DSL, focusing on DNS, JVM proxy settings, and environment configuration.
Learn how Karate DSL’s Scenario Outline and Examples let you run the same API test with many data sets, producing distinct scenarios and clean reports without writing loops.
Learn how to cache a login token once per thread using Karate's callSingle, avoid repeated authentication calls, and understand its limits when state changes.
Learn how to eliminate duplicated login steps in Karate DSL by extracting authentication into a reusable feature and invoking it with the call keyword.
A diagnostic guide for resolving 'Assertion Failed' and 'Unexpected Response' errors in Karate DSL, focusing on JSON path validation, type mismatches, and fuzzy matchers.
Shared State Management in Karate The karate.callSingle() feature is used to execute a setup feature once per test run and reuse the resulting value across multiple features and parallel threads. By default, these results are retained for the duration of the run to optimize performance. While configure callSingleCache allows for the definition of a time-to-l
Karate-config.js environment bootstrap When a test suite is executed in a container or CI pipeline, the karate.env system property is often omitted. Karate’s karate-config.js script then falls back to the default branch defined in the file, typically pointing at a local or dev endpoint. The suite passes, but it is actually running against the wrong host. Loc
Suppressing noisy alerts while preserving logs In Karate, the alertHandler function is the documented way to control JavaScript alert() , confirm() , and prompt() dialogs during UI test runs. By default, an unexpected alert causes an AssertionError and prints the dialog text to the console, producing noisy output. The handler receives the dialog message and
Configuration leakage in HTML reports Karate merges karate-config.js and environment-specific variants at startup, then serializes the full configuration object into the default HTML and JUnit reports. The 1.x release introduced an undocumented karate.configure('report', { showConfig: false }) option intended to suppress this output, but the flag does not co
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