| """Unit tests for starlark helpers |
| See https://docs.bazel.build/versions/main/skylark/testing.html#for-testing-starlark-utilities |
| """ |
| |
| load("@bazel_skylib//lib:partial.bzl", "partial") |
| load("@bazel_skylib//lib:unittest.bzl", "asserts", "unittest") |
| load("//lib:expand_make_vars.bzl", "expand_variables") |
| |
| def _variables_test_impl(ctx): |
| env = unittest.begin(ctx) |
| capture_subs = {} |
| fake_ctx = struct( |
| bin_dir = struct(path = "bazel-bin"), |
| label = struct(workspace_name = "my-wksp", workspace_root = "my-wksp", package = "path/to", name = "target"), |
| expand_make_variables = lambda attr, expr, subs: capture_subs.update(subs), |
| build_file_path = "some/path/BUILD.bazel", |
| version_file = struct(path = "bazel-out/volatile-status.txt"), |
| info_file = struct(path = "bazel-out/stable-status.txt"), |
| workspace_name = "my-wksp", |
| ) |
| expand_variables(fake_ctx, "output=$(@D)") |
| expected = { |
| "@D": "bazel-bin/my-wksp/path/to", |
| "RULEDIR": "bazel-bin/my-wksp/path/to", |
| "BUILD_FILE_PATH": "some/path/BUILD.bazel", |
| "VERSION_FILE": "bazel-out/volatile-status.txt", |
| "INFO_FILE": "bazel-out/stable-status.txt", |
| "TARGET": "@my-wksp//path/to:target", |
| "WORKSPACE": "my-wksp", |
| } |
| asserts.equals(env, expected, capture_subs) |
| return unittest.end(env) |
| |
| # The unittest library requires that we export the test cases as named test rules, |
| # but their names are arbitrary and don't appear anywhere. |
| t0_test = unittest.make(_variables_test_impl) |
| |
| def expand_make_vars_test_suite(): |
| unittest.suite("make_vars_tests", partial.make(t0_test, timeout = "short")) |