1# Copyright 2019 The Bazel Authors. All rights reserved.
2#
3# Licensed under the Apache License, Version 2.0 (the "License");
4# you may not use this file except in compliance with the License.
5# You may obtain a copy of the License at
6#
7# http://www.apache.org/licenses/LICENSE-2.0
8#
9# Unless required by applicable law or agreed to in writing, software
10# distributed under the License is distributed on an "AS IS" BASIS,
11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12# See the License for the specific language governing permissions and
13# limitations under the License.
14
15load("//go:def.bzl", "go_test")
16
17def go_bazel_test(rule_files = None, **kwargs):
18 """go_bazel_test is a wrapper for go_test that simplifies the use of
19 //go/tools/bazel_testing. Tests may be written
20 that don't explicitly depend on bazel_testing or rules_go files.
21 """
22
23 if not rule_files:
24 rule_files = [Label("//:all_files")]
25
26 # Add dependency on bazel_testing library.
27 kwargs.setdefault("deps", [])
28
29 bazel_testing_library = "@io_bazel_rules_go//go/tools/bazel_testing"
30 if bazel_testing_library not in kwargs["deps"]:
31 kwargs["deps"].append(bazel_testing_library)
32
33 # Add data dependency on rules_go files. bazel_testing will copy or link
34 # these files in an external repo.
35 kwargs.setdefault("data", [])
36 kwargs["data"] += rule_files
37
38 # Add paths to rules_go files to arguments. bazel_testing will copy or link
39 # these files.
40 kwargs.setdefault("args", [])
41 kwargs["args"] = (["-begin_files"] +
42 ["$(locations {})".format(t) for t in rule_files] +
43 ["-end_files"] +
44 kwargs["args"])
45
46 # Set rundir to the workspace root directory to ensure relative paths
47 # are interpreted correctly.
48 kwargs.setdefault("rundir", ".")
49
50 # Set tags.
51 # local: don't run in sandbox or on remote executor.
52 # exclusive: run one test at a time, since they share a Bazel
53 # output directory. If we don't do this, tests must extract the bazel
54 # installation and start with a fresh cache every time, making them
55 # much slower.
56 kwargs.setdefault("tags", [])
57 if "local" not in kwargs["tags"]:
58 kwargs["tags"].append("local")
59 if "exclusive" not in kwargs["tags"]:
60 kwargs["tags"].append("exclusive")
61
62 go_test(**kwargs)
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