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#!/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 label that
# do referring to an existing path, if they are never resolved as such.
WRKDIR=`pwd`
rm -rf repo
mkdir repo
cd repo
touch BUILD
cat > rule.bzl <<'EOF'
def _impl(ctx):
# Access the build file late
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):
# Access the build file late
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 existing path, if they are never resolved as such.
# 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):
# Access the build file late
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"
}
run_suite "skylark repo prefetching tests"
|
