google-nomulus/third_party/closure/testing/closure_js_test.bzl
2016-03-01 17:59:16 -05:00

116 lines
4.2 KiB
Python

# -*- mode: python; -*-
#
# Copyright 2016 Google Inc. 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.
"""Build rule for running Closure Library JsUnit tests in PhantomJS.
"""
# XXX: It would be significantly faster and produce better stacktraces if we
# could avoid compilation by running in raw sources mode. This is not
# possible due to a resource loading bug in PhantomJS.
# https://github.com/ariya/phantomjs/issues/14028
load("//third_party/closure/compiler/private:defs.bzl",
"JS_HIDE_WARNING_ARGS",
"JS_LANGUAGE_DEFAULT",
"JS_LIBRARY_ATTRS",
"JS_PEDANTIC_ARGS",
"collect_js_srcs",
"determine_js_language")
def _impl(ctx):
srcs, externs = collect_js_srcs(ctx)
srcs += [ctx.file._phantomjs_jsunit_runner]
args = [
"--js_output_file=%s" % ctx.outputs.js.path,
"--language_in=%s" % determine_js_language(ctx),
"--language_out=ECMASCRIPT5_STRICT",
"--compilation_level=WHITESPACE_ONLY",
"--warning_level=VERBOSE",
"--dependency_mode=LOOSE",
"--formatting=PRETTY_PRINT",
"--new_type_inf",
"--debug",
]
if ctx.attr.pedantic:
args += JS_PEDANTIC_ARGS
args += JS_HIDE_WARNING_ARGS
args += ["--externs=%s" % extern.path for extern in externs]
args += ["--js=%s" % src.path for src in srcs]
ctx.action(
inputs=list(srcs) + list(externs),
outputs=[ctx.outputs.js],
executable=ctx.executable._compiler,
arguments=args,
mnemonic="JSCompile",
progress_message="Compiling %d JavaScript files to %s" % (
len(srcs) + len(externs), ctx.outputs.js.short_path))
ctx.file_action(
executable=True,
output=ctx.outputs.executable,
content="\n".join([
"#!/bin/sh",
"exec %s \\\n %s \\\n %s\n" % (
ctx.file._phantomjs.short_path,
ctx.file._phantomjs_runner.short_path,
ctx.outputs.js.short_path),
]))
return struct(
files=set([ctx.outputs.executable,
ctx.outputs.js]),
runfiles=ctx.runfiles(files=[ctx.file._phantomjs,
ctx.file._phantomjs_runner,
ctx.outputs.js],
collect_data=True))
_closure_js_test = rule(
test=True,
implementation=_impl,
attrs=JS_LIBRARY_ATTRS + {
"language": attr.string(default=JS_LANGUAGE_DEFAULT),
"pedantic": attr.bool(default=False),
"_compiler": attr.label(
default=Label("//third_party/closure/compiler"),
executable=True),
"_phantomjs": attr.label(
default=Label("//third_party/phantomjs"),
allow_files=True,
single_file=True),
"_phantomjs_runner": attr.label(
default=Label("//third_party/closure/testing:phantomjs_runner.js"),
allow_files=True,
single_file=True),
"_phantomjs_jsunit_runner": attr.label(
default=Label(
"//third_party/closure/testing:phantomjs_jsunit_runner.js"),
allow_files=True,
single_file=True),
},
outputs={"js": "%{name}_dbg.js"})
# XXX: In compiled mode, we're forced to compile each test file individually,
# because tests might have overlapping global symbols. We compile in
# WHITESPACE_ONLY mode because other modes would be unreasonably slow.
def closure_js_test(name, srcs, **kwargs):
if len(srcs) == 1:
_closure_js_test(name = name, srcs = srcs, **kwargs)
else:
tests = []
for src in srcs:
test = name + '_' + src.replace('_test.js', '').replace('-', '_')
tests += [test]
_closure_js_test(name = test, srcs = [src], **kwargs)
native.test_suite(name = name, tests = tests)