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8. Plugins

This section describes plug-ins that are built-in but not enabled by default. Functionality of default plugins is described in the Running Kaocha CLI section.

For information on writing plugins, see the section on extending Kaocha.

Profiling

The profiling plugin will output a list of the slowest tests for each test type at the end of the test run.

Enabling

bin/kaocha --plugin kaocha.plugin/profiling

or

#kaocha/v1
{:plugins [kaocha.plugin/profiling]}

Example output

Top 2 slowest kaocha.type/clojure.test (37.97308 seconds, 100.0% of total time)
  integration
    37.06616 seconds average (37.06616 seconds / 1 tests)
  unit
    0.08245 seconds average (0.90692 seconds / 11 tests)

Top 3 slowest kaocha.type/ns (37.71151 seconds, 99.3% of total time)
  kaocha.integration-test
    37.06421 seconds average (37.06421 seconds / 1 tests)
  kaocha.type.var-test
    0.57622 seconds average (0.57622 seconds / 1 tests)
  kaocha.runner-test
    0.03554 seconds average (0.07108 seconds / 2 tests)

Top 3 slowest kaocha.type/var (37.70178 seconds, 99.3% of total time)
  kaocha.integration-test/command-line-runner-test
    37.06206 seconds kaocha/integration_test.clj:25
  kaocha.type.var-test/run-test
    0.57399 seconds kaocha/type/var_test.clj:12
  kaocha.runner-test/main-test
    0.06573 seconds kaocha/runner_test.clj:10

Plugin-specific command line flags

--[no-]profiling                  Show slowest tests of each type with timing information.
--profiling-count NUM             Show this many slow tests of each kind in profile results.

Plugin-specific configuration options

Shown with their default values:

#kaocha/v1
{:kaocha.plugin.profiling/count 3
 :kaocha.plugin.profiling/profiling? true}

Print invocations

At the end of the test run, print command invocations that can be copy-pasted to re-run only specific failed tests.

Enabling

bin/kaocha --plugin kaocha.plugin/print-invocations

or

#kaocha/v1
{:plugins [kaocha.plugin/print-invocations]}

Example output

[(.)(F..)(..)(...)(............)(....)(...........)(......)(....)(.)(...)]

FAIL in (clojure-test-summary-test) (kaocha/history_test.clj:5)
...
18 test vars, 50 assertions, 1 failures.

bin/kaocha --focus 'kaocha.history-test/clojure-test-summary-test'

Notifier

Pop up a system notifications whenever a test run fails or passes.

See Plugins: Notifier

Version filter

Skip tests that aren't compatible with the current version of Java or Clojure.

See Plugins: Version Filter

Hooks

Write functions that hook into various parts of Kaocha

See Plugins: Hooks

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