| """Custom rules_testing subject for java_binary/java_test executable output""" |
| |
| load("@rules_testing//lib:truth.bzl", "subjects") |
| |
| def _of_target(env, target): |
| executable = target[DefaultInfo].files_to_run.executable.short_path |
| action_subject = env.expect.that_target(target).action_generating(executable) |
| public = struct( |
| java_start_class = lambda: _java_start_class_subject(action_subject), |
| ) |
| return public |
| |
| def _java_start_class_subject(action): |
| if action.actual.substitutions: |
| return action.substitutions().get("%java_start_class%", factory = subjects.str) |
| else: |
| # Windows |
| return action.argv().transform( |
| filter = lambda e: e.startswith("java_start_class="), |
| map_each = lambda e: e.split("=", 1)[1], |
| desc = "java_start_class", |
| ).offset(0, factory = subjects.str) |
| |
| expect_that_executable = struct( |
| of_target = _of_target, |
| ) |
