blob: e0b2e59e1edfecc42d40be8731abff0a9e9e67ad [file] [log] [blame]
#!/bin/bash
#
# Copyright 2018 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.
#
# starlark_configuration_test.sh: integration tests for starlark build configurations
# --- begin runfiles.bash initialization ---
# Copy-pasted from Bazel's Bash runfiles library (tools/bash/runfiles/runfiles.bash).
set -euo pipefail
if [[ ! -d "${RUNFILES_DIR:-/dev/null}" && ! -f "${RUNFILES_MANIFEST_FILE:-/dev/null}" ]]; then
if [[ -f "$0.runfiles_manifest" ]]; then
export RUNFILES_MANIFEST_FILE="$0.runfiles_manifest"
elif [[ -f "$0.runfiles/MANIFEST" ]]; then
export RUNFILES_MANIFEST_FILE="$0.runfiles/MANIFEST"
elif [[ -f "$0.runfiles/bazel_tools/tools/bash/runfiles/runfiles.bash" ]]; then
export RUNFILES_DIR="$0.runfiles"
fi
fi
if [[ -f "${RUNFILES_DIR:-/dev/null}/bazel_tools/tools/bash/runfiles/runfiles.bash" ]]; then
source "${RUNFILES_DIR}/bazel_tools/tools/bash/runfiles/runfiles.bash"
elif [[ -f "${RUNFILES_MANIFEST_FILE:-/dev/null}" ]]; then
source "$(grep -m1 "^bazel_tools/tools/bash/runfiles/runfiles.bash " \
"$RUNFILES_MANIFEST_FILE" | cut -d ' ' -f 2-)"
else
echo >&2 "ERROR: cannot find @bazel_tools//tools/bash/runfiles:runfiles.bash"
exit 1
fi
# --- end runfiles.bash initialization ---
source "$(rlocation "io_bazel/src/test/shell/integration_test_setup.sh")" \
|| { echo "integration_test_setup.sh not found!" >&2; exit 1; }
case "$(uname -s | tr [:upper:] [:lower:])" in
msys*|mingw*|cygwin*)
declare -r is_windows=true
;;
*)
declare -r is_windows=false
;;
esac
if "$is_windows"; then
export MSYS_NO_PATHCONV=1
export MSYS2_ARG_CONV_EXCL="*"
fi
add_to_bazelrc "build --package_path=%workspace%"
#### HELPER FXNS #######################################################
function write_build_setting_bzl() {
cat > $pkg/build_setting.bzl <<EOF
BuildSettingInfo = provider(fields = ['name', 'value'])
def _build_setting_impl(ctx):
return [BuildSettingInfo(name = ctx.attr.name, value = ctx.build_setting_value)]
drink_attribute = rule(
implementation = _build_setting_impl,
build_setting = config.string(flag = True),
)
EOF
cat > $pkg/rules.bzl <<EOF
load("//$pkg:build_setting.bzl", "BuildSettingInfo")
def _impl(ctx):
_type_name = ctx.attr._type[BuildSettingInfo].name
_type_setting = ctx.attr._type[BuildSettingInfo].value
print(_type_name + "=" + str(_type_setting))
_temp_name = ctx.attr._temp[BuildSettingInfo].name
_temp_setting = ctx.attr._temp[BuildSettingInfo].value
print(_temp_name + "=" + str(_temp_setting))
print("strict_java_deps=" + ctx.fragments.java.strict_java_deps)
drink = rule(
implementation = _impl,
attrs = {
"_type":attr.label(default = Label("//$pkg:type")),
"_temp":attr.label(default = Label("//$pkg:temp")),
},
fragments = ["java"],
)
EOF
cat > $pkg/BUILD <<EOF
load("//$pkg:build_setting.bzl", "drink_attribute")
load("//$pkg:rules.bzl", "drink")
drink(name = 'my_drink')
drink_attribute(name = 'type', build_setting_default = 'unknown')
drink_attribute(name = 'temp', build_setting_default = 'unknown')
EOF
}
#### TESTS #############################################################
function test_default_flag() {
local -r pkg=$FUNCNAME
mkdir -p $pkg
write_build_setting_bzl
bazel build //$pkg:my_drink --experimental_build_setting_api > output \
2>"$TEST_log" || fail "Expected success"
expect_log "type=unknown"
}
function test_set_flag() {
local -r pkg=$FUNCNAME
mkdir -p $pkg
write_build_setting_bzl
bazel build //$pkg:my_drink --//$pkg:type="coffee" \
--experimental_build_setting_api > output 2>"$TEST_log" \
|| fail "Expected success"
expect_log "type=coffee"
}
function test_starlark_and_native_flag() {
local -r pkg=$FUNCNAME
mkdir -p $pkg
write_build_setting_bzl
bazel build //$pkg:my_drink --//$pkg:type=coffee --strict_java_deps=off \
--experimental_build_setting_api > output 2>"$TEST_log" \
|| fail "Expected success"
expect_log "type=coffee"
expect_log "strict_java_deps=off"
}
function test_dont_parse_flags_after_dash_dash() {
local -r pkg=$FUNCNAME
mkdir -p $pkg
write_build_setting_bzl
bazel build //$pkg:my_drink --//$pkg:type=coffee \
--experimental_build_setting_api -- --//$pkg:temp=iced \
> output 2>"$TEST_log" \
&& fail "Expected failure"
expect_log "invalid package name '-//test_dont_parse_flags_after_dash_dash'"
}
function test_doesnt_work_without_experimental_flag() {
local -r pkg=$FUNCNAME
mkdir -p $pkg
write_build_setting_bzl
bazel build //$pkg:my_drink --//$pkg:type=coffee > output 2>"$TEST_log" \
&& fail "Expected failure"
expect_log "Error loading option //$pkg:type:"
expect_log "Extension file '$pkg/build_setting.bzl' has errors"
}
function test_multiple_starlark_flags() {
local -r pkg=$FUNCNAME
mkdir -p $pkg
write_build_setting_bzl
bazel build //$pkg:my_drink --//$pkg:type="coffee" --//$pkg:temp="iced" \
--experimental_build_setting_api > output 2>"$TEST_log" \
|| fail "Expected success"
expect_log "type=coffee"
expect_log "temp=iced"
# Ensure that order doesn't matter.
bazel build //$pkg:my_drink --//$pkg:temp="iced" --//$pkg:type="coffee" \
--experimental_build_setting_api > output 2>"$TEST_log" \
|| fail "Expected success"
expect_log "type=coffee"
expect_log "temp=iced"
}
function test_flag_default_change() {
local -r pkg=$FUNCNAME
mkdir -p $pkg
write_build_setting_bzl
bazel build //$pkg:my_drink --experimental_build_setting_api > output \
2>"$TEST_log" || fail "Expected success"
expect_log "type=unknown"
cat > $pkg/BUILD <<EOF
load("//$pkg:build_setting.bzl", "drink_attribute")
load("//$pkg:rules.bzl", "drink")
drink(name = 'my_drink')
drink_attribute(name = 'type', build_setting_default = 'cowabunga')
drink_attribute(name = 'temp', build_setting_default = 'cowabunga')
EOF
bazel build //$pkg:my_drink --experimental_build_setting_api > output \
2>"$TEST_log" || fail "Expected success"
expect_log "type=cowabunga"
}
# Test that label-typed build setting has access to providers of the target it points to.
function test_label_flag() {
local -r pkg=$FUNCNAME
mkdir -p $pkg
cat > $pkg/BUILD <<EOF
load("//$pkg:rules.bzl", "my_rule", "simple_rule")
my_rule(name = "my_rule")
simple_rule(name = "default", value = "default_val")
simple_rule(name = "command_line", value = "command_line_val")
label_flag(
name = "my_label_build_setting",
build_setting_default = ":default"
)
EOF
cat > $pkg/rules.bzl <<EOF
def _impl(ctx):
_setting = ctx.attr._label_flag[SimpleRuleInfo].value
print("value=" + _setting)
my_rule = rule(
implementation = _impl,
attrs = {
"_label_flag": attr.label(default = Label("//$pkg:my_label_build_setting")),
},
)
SimpleRuleInfo = provider(fields = ['value'])
def _simple_rule_impl(ctx):
return [SimpleRuleInfo(value = ctx.attr.value)]
simple_rule = rule(
implementation = _simple_rule_impl,
attrs = {
"value":attr.string(),
},
)
EOF
bazel build //$pkg:my_rule > output 2>"$TEST_log" || fail "Expected success"
expect_log "value=default_val"
bazel build //$pkg:my_rule --//$pkg:my_label_build_setting=//$pkg:command_line > output \
2>"$TEST_log" || fail "Expected success"
expect_log "value=command_line_val"
}
run_suite "${PRODUCT_NAME} starlark configurations tests"