find-and-run-tests

Installation
SKILL.md

Finding and Running Tests

workerd Tests

Test types

Type File extension BUILD macro Target suffix
JS/TS integration .wd-test wd_test() None (target name = rule name)
C++ unit *-test.c++ kj_test() None

Finding targets

# Find test targets in a directory
bazel query 'kind("test", //src/workerd/api/tests:*)' --output label

# Find test targets matching a name
bazel query 'kind(".*_test", //src/workerd/...)' --output label 2>/dev/null | grep -i '<name>'
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First Seen
Mar 20, 2026