| #!/bin/bash |
| # |
| # Copyright 2017 The Bazel Authors. All rights reserved. |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| # |
| # Verify that declared arguments of a repository rule are present before |
| # the first execution attempt of the rule is done. |
| |
| # Load the test setup defined in the parent directory |
| CURRENT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)" |
| source "${CURRENT_DIR}/../integration_test_setup.sh" \ |
| || { echo "integration_test_setup.sh not found!" >&2; exit 1; } |
| |
| test_label_arg() { |
| # Verify that a repository rule does not get restarted, if accessing |
| # one of its label arguments as file. |
| WRKDIR=`pwd` |
| rm -rf repo |
| rm -rf log |
| mkdir repo |
| cd repo |
| touch BUILD |
| cat > rule.bzl <<EOF |
| def _impl(ctx): |
| # Access the build file late |
| ctx.execute(["/bin/sh", "-c", "date +%s >> ${WRKDIR}/log"]) |
| ctx.file("WORKSPACE", "workspace(name = \"%s\")\n" % ctx.name) |
| ctx.symlink(ctx.attr.build_file, "BUILD") |
| |
| myrule=repository_rule(implementation=_impl, |
| attrs={ |
| "build_file" : attr.label(), |
| }) |
| EOF |
| cat > ext.BUILD <<'EOF' |
| genrule( |
| name="foo", |
| outs=["foo.txt"], |
| cmd = "echo foo > $@", |
| ) |
| EOF |
| cat > WORKSPACE <<'EOF' |
| load("//:rule.bzl", "myrule") |
| myrule(name="ext", build_file="//:ext.BUILD") |
| EOF |
| bazel build @ext//:foo || fail "expected success" |
| [ `cat "${WRKDIR}/log" | wc -l` -eq 1 ] \ |
| || fail "did not find precisely one invocation of the action" |
| } |
| |
| test_unused_invalid_label_arg() { |
| # Verify that we preserve the behavior of allowing to pass labels that |
| # do referring to an non-existing path, if they are never used. |
| WRKDIR=`pwd` |
| rm -rf repo |
| mkdir repo |
| cd repo |
| touch BUILD |
| cat > rule.bzl <<'EOF' |
| def _impl(ctx): |
| ctx.file("WORKSPACE", "workspace(name = \"%s\")\n" % ctx.name) |
| ctx.file("BUILD", |
| "genrule(name=\"foo\", outs=[\"foo.txt\"], cmd = \"echo foo > $@\")") |
| |
| myrule=repository_rule(implementation=_impl, |
| attrs={ |
| "unused" : attr.label(), |
| }) |
| EOF |
| cat > WORKSPACE <<'EOF' |
| load("//:rule.bzl", "myrule") |
| myrule(name="ext", unused="//does/not/exist:file") |
| EOF |
| bazel build @ext//:foo || fail "expected success" |
| } |
| |
| |
| test_label_list_arg() { |
| # Verify that a repository rule does not get restarted, if accessing |
| # the entries of a label list as files. |
| WRKDIR=`pwd` |
| rm -rf repo |
| rm -rf log |
| mkdir repo |
| cd repo |
| touch BUILD |
| cat > rule.bzl <<EOF |
| def _impl(ctx): |
| ctx.execute(["/bin/sh", "-c", "date +%s >> ${WRKDIR}/log"]) |
| ctx.file("WORKSPACE", "workspace(name = \"%s\")\n" % ctx.name) |
| ctx.file("BUILD", """ |
| genrule( |
| name="foo", |
| srcs= ["src.txt"], |
| outs=["foo.txt"], |
| cmd = "cp \$< \$@", |
| ) |
| """) |
| for f in ctx.attr.data: |
| ctx.execute(["/bin/sh", "-c", "cat %s >> src.txt" % ctx.path(f)]) |
| |
| myrule=repository_rule(implementation=_impl, |
| attrs={ |
| "data" : attr.label_list(), |
| }) |
| EOF |
| cat > WORKSPACE <<'EOF' |
| load("//:rule.bzl", "myrule") |
| myrule(name="ext", data = ["//:a.txt", "//:b.txt"]) |
| EOF |
| echo Hello > a.txt |
| echo World > b.txt |
| bazel build @ext//:foo || fail "expected success" |
| [ `cat "${WRKDIR}/log" | wc -l` -eq 1 ] \ |
| || fail "did not find precisely one invocation of the action" |
| } |
| |
| test_unused_invalid_label_list_arg() { |
| # Verify that we preserve the behavior of allowing to pass labels that |
| # do referring to an non-existing path, if they are never used. |
| # Here, test it if such labels are passed in a label list. |
| WRKDIR=`pwd` |
| rm -rf repo |
| mkdir repo |
| cd repo |
| touch BUILD |
| cat > rule.bzl <<'EOF' |
| def _impl(ctx): |
| ctx.file("WORKSPACE", "workspace(name = \"%s\")\n" % ctx.name) |
| ctx.file("BUILD", |
| "genrule(name=\"foo\", outs=[\"foo.txt\"], cmd = \"echo foo > $@\")") |
| |
| myrule=repository_rule(implementation=_impl, |
| attrs={ |
| "unused_list" : attr.label_list(), |
| }) |
| EOF |
| cat > WORKSPACE <<'EOF' |
| load("//:rule.bzl", "myrule") |
| myrule(name="ext", unused_list=["//does/not/exist:file1", |
| "//does/not/exists:file2"]) |
| EOF |
| bazel build @ext//:foo || fail "expected success" |
| } |
| |
| # Regression test for https://github.com/bazelbuild/bazel/issues/10515 |
| test_label_keyed_string_dict_arg() { |
| # Verify that Bazel preloads Labels from label_keyed_string_dict, and as a |
| # result, it runs the repository's implementation only once (i.e. it won't |
| # restart the corresponding SkyFunction). |
| WRKDIR=`pwd` |
| rm -rf repo |
| rm -rf log |
| mkdir repo |
| cd repo |
| touch BUILD |
| cat > rule.bzl <<EOF |
| def _impl(ctx): |
| ctx.execute(["/bin/sh", "-c", "date +%s >> ${WRKDIR}/log"]) |
| ctx.file("WORKSPACE", "workspace(name = \"%s\")\n" % ctx.name) |
| ctx.file("BUILD", """ |
| genrule( |
| name = "foo", |
| srcs = ["src.txt"], |
| outs = ["foo.txt"], |
| cmd = "cp \$< \$@", |
| ) |
| """) |
| for f in ctx.attr.data: |
| # ctx.path(f) shouldn't trigger a restart since we've prefetched the value. |
| ctx.execute(["/bin/sh", "-c", "cat %s >> src.txt" % ctx.path(f)]) |
| |
| myrule = repository_rule( |
| implementation = _impl, |
| attrs = { |
| "data": attr.label_keyed_string_dict(), |
| }, |
| ) |
| EOF |
| cat > WORKSPACE <<'EOF' |
| load("//:rule.bzl", "myrule") |
| myrule(name="ext", data = {"//:a.txt": "a", "//:b.txt": "b"}) |
| EOF |
| echo Hello > a.txt |
| echo World > b.txt |
| bazel build @ext//:foo || fail "expected success" |
| [ `cat "${WRKDIR}/log" | wc -l` -eq 1 ] \ |
| || fail "did not find precisely one invocation of the action" |
| } |
| |
| test_unused_invalid_label_keyed_string_dict_arg() { |
| # Verify that we preserve the behavior of allowing to pass labels that |
| # do referring to an non-existing path, if they are never used. |
| # Here, test it if such labels are passed in a label_keyed_string_dict. |
| WRKDIR=`pwd` |
| rm -rf repo |
| mkdir repo |
| cd repo |
| touch BUILD |
| cat > rule.bzl <<'EOF' |
| def _impl(ctx): |
| ctx.file("WORKSPACE", "workspace(name = \"%s\")\n" % ctx.name) |
| ctx.file("BUILD", |
| "genrule(name=\"foo\", outs=[\"foo.txt\"], cmd = \"echo foo > $@\")") |
| |
| myrule=repository_rule(implementation=_impl, |
| attrs={ |
| "unused_dict" : attr.label_keyed_string_dict(), |
| }) |
| EOF |
| cat > WORKSPACE <<'EOF' |
| load("//:rule.bzl", "myrule") |
| myrule(name="ext", unused_dict={"//does/not/exist:file1": "file1", |
| "//does/not/exists:file2": "file2"}) |
| EOF |
| bazel build @ext//:foo || fail "expected success" |
| } |
| |
| run_suite "Starlark repo prefetching tests" |