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# Copyright (C) 2016 The Android Open Source Project
#
# 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.
# Skylark rule to generate a Junit4 TestSuite
# Assumes srcs are all .java Test files
# Assumes junit4 is already added to deps by the user.
# See https://github.com/bazelbuild/bazel/issues/1017 for background.
_OUTPUT = """import org.junit.runners.Suite;
import org.junit.runner.RunWith;
@RunWith(Suite.class)
@Suite.SuiteClasses({%s})
public class %s {}
"""
_PREFIXES = ("org", "com", "edu")
def _SafeIndex(l, val):
for i, v in enumerate(l):
if val == v:
return i
return -1
def _AsClassName(fname):
fname = [x.path for x in fname.files][0]
toks = fname[:-5].split("/")
findex = -1
for s in _PREFIXES:
findex = _SafeIndex(toks, s)
if findex != -1:
break
if findex == -1:
fail("%s does not contain any of %s" % (fname, _PREFIXES))
return ".".join(toks[findex:]) + ".class"
def _impl(ctx):
classes = ",".join(
[_AsClassName(x) for x in ctx.attr.srcs],
)
ctx.actions.write(output = ctx.outputs.out, content = _OUTPUT % (
classes,
ctx.attr.outname,
))
_GenSuite = rule(
attrs = {
"srcs": attr.label_list(allow_files = True),
"outname": attr.string(),
},
outputs = {"out": "%{name}.java"},
implementation = _impl,
)
POST_JDK8_OPTS = [
# Enforce JDK 8 compatibility on Java 9, see
# https://docs.oracle.com/javase/9/intl/internationalization-enhancements-jdk-9.htm#JSINT-GUID-AF5AECA7-07C1-4E7D-BC10-BC7E73DC6C7F
"-Djava.locale.providers=COMPAT,CLDR,SPI",
"--add-modules java.activation",
"--add-opens=jdk.management/com.sun.management.internal=ALL-UNNAMED",
]
def junit_tests(name, srcs, **kwargs):
s_name = name.replace("-", "_") + "TestSuite"
_GenSuite(
name = s_name,
srcs = srcs,
outname = s_name,
)
jvm_flags = kwargs.get("jvm_flags", [])
jvm_flags = jvm_flags + select({
"//:java10": POST_JDK8_OPTS,
"//:java9": POST_JDK8_OPTS,
"//conditions:default": [],
})
native.java_test(
name = name,
test_class = s_name,
srcs = srcs + [":" + s_name],
**dict(kwargs, jvm_flags = jvm_flags)
)
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