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#!/bin/bash
#
# Copyright 2015 The Bazel Authors. All arights 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.
#
# Tests the examples provided in Bazel
#
# Load test environment
source $(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/test-setup.sh \
|| { echo "test-setup.sh not found!" >&2; exit 1; }
function setup_go() {
copy_examples
cat <<EOF > WORKSPACE
EOF
# avoid trying to download the SDK from within the test.
rm -rf tools/build_rules/go/toolchain
for p in golang-linux-amd64 golang-darwin-amd64 ; do
d=$TEST_SRCDIR/external/${p}
if [[ -d "${d}" ]]; then
for f in $(cd ${d}; find -L . -type f -print ) ; do
mkdir -p tools/build_rules/go/toolchain/$(dirname $f)
ln -s ${d}/$f tools/build_rules/go/toolchain/$f
done
fi
done
ln -s $TEST_SRCDIR/tools/build_rules/go/toolchain/BUILD.go-toolchain tools/build_rules/go/toolchain/BUILD
cat <<EOF > BUILD
load("/tools/build_rules/go/def", "go_prefix")
go_prefix("prefix")
EOF
}
function test_basic() {
setup_go
mkdir -p ex/
cat <<EOF > ex/m.go
package main
import (
"fmt"
"prefix/ex"
)
func main() {
fmt.Println("F", ex.F())
}
EOF
cat <<EOF > ex/l.go
package ex
func F() int { return 42 }
EOF
cat <<EOF > ex/BUILD
load("/tools/build_rules/go/def", "go_library", "go_binary")
go_library(name = "go_default_library",
srcs = [ "l.go"])
go_binary(name = "m",
srcs = [ "m.go" ],
deps = [ ":go_default_library" ])
EOF
assert_build //ex:m
test -x ./bazel-bin/ex/m || fail "binary not found"
(./bazel-bin/ex/m > out) || fail "binary does not execute"
grep "F 42" out || fail "binary output suspect"
}
function test_runfiles() {
setup_go
mkdir -p ex/
# Note this binary is also a test (for the correct handling of runfiles by
# Bazel's go_binary rule).
cat <<EOF > ex/rf.go
package main
import (
"fmt"
"log"
"io/ioutil"
)
func main() {
rfcontent, err := ioutil.ReadFile("ex/runfile")
if err != nil {
log.Fatalf("Runfiles test binary: Error reading from runfile: %v", err)
}
fmt.Printf("Runfile: %s\n", rfcontent)
}
EOF
cat <<EOF > ex/rf_test.go
package main
import (
"fmt"
"io/ioutil"
"testing"
)
func TestRunfiles(t *testing.T) {
rfcontent, err := ioutil.ReadFile("runfile")
if err != nil {
t.Errorf("TestRunfiles: Error reading from runfile: %v", err)
}
if string(rfcontent) != "12345\n" {
t.Errorf("TestRunfiles: Read incorrect value from runfile: %s", rfcontent)
}
fmt.Printf("Runfile: %s\n", rfcontent)
}
EOF
cat <<EOF > ex/runfile
12345
EOF
cat <<EOF > ex/BUILD
load("/tools/build_rules/go/def", "go_binary", "go_test")
go_binary(name = "runfiles_bin",
srcs = [ "rf.go" ],
data = [ "runfile" ])
go_test(name = "runfiles_test",
srcs = [ "rf_test.go" ],
data = [ "runfile" ])
EOF
assert_build //ex:runfiles_bin
test -x ./bazel-bin/ex/runfiles_bin || fail "binary not found"
(./bazel-bin/ex/runfiles_bin > out) || fail "binary does not execute"
grep "Runfile: 12345" out || fail "binary output suspect"
assert_build //ex:runfiles_test
test -x ./bazel-bin/ex/runfiles_test || fail "binary not found"
(./bazel-bin/ex/runfiles_test > out) || fail "binary does not execute"
grep "Runfile: 12345" out || fail "binary output suspect"
}
function test_runfiles_lib() {
setup_go
mkdir -p ex/
cat <<EOF > ex/m.go
package main
import (
"fmt"
"io/ioutil"
"log"
"prefix/ex"
)
func main() {
rfcontent, err := ioutil.ReadFile(ex.RunfilePath())
if err != nil {
log.Fatalf("Runfiles test binary: Error reading from runfile: %v", err)
}
fmt.Printf("Runfile: %s\n", rfcontent)
}
EOF
cat <<EOF > ex/l.go
package ex
func RunfilePath() string { return "ex/runfile" }
EOF
cat <<EOF > ex/runfile
12345
EOF
cat <<EOF > ex/BUILD
load("/tools/build_rules/go/def", "go_library", "go_binary")
go_library(name = "go_default_library",
data = [ "runfile" ],
srcs = [ "l.go"])
go_binary(name = "m",
srcs = [ "m.go" ],
deps = [ ":go_default_library" ])
EOF
assert_build //ex:m
test -x ./bazel-bin/ex/m || fail "binary not found"
(./bazel-bin/ex/m > out) || fail "binary does not execute"
grep "Runfile: 12345" out || fail "binary output suspect"
}
run_suite "go_examples"
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