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// Copyright 2014 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.
package blueprint
import (
"bytes"
"strings"
"testing"
)
func ck(err error) {
if err != nil {
panic(err)
}
}
var ninjaWriterTestCases = []struct {
input func(w *ninjaWriter)
output string
}{
{
input: func(w *ninjaWriter) {
ck(w.Comment("foo"))
},
output: "# foo\n",
},
{
input: func(w *ninjaWriter) {
ck(w.Pool("foo"))
},
output: "pool foo\n",
},
{
input: func(w *ninjaWriter) {
ck(w.Rule("foo"))
},
output: "rule foo\n",
},
{
input: func(w *ninjaWriter) {
ck(w.Build("foo comment", "foo", testNinjaStrings("o3", "o4"),
testNinjaStrings("io3", "io4"), testNinjaStrings("e3", "e4"),
testNinjaStrings("i3", "i4"), testNinjaStrings("oo3", "oo4"),
testNinjaStrings("v3", "v4"), []string{"o1", "o2"},
[]string{"io1", "io2"}, []string{"e1", "e2"},
[]string{"i1", "i2"}, []string{"oo1", "oo2"},
[]string{"v1", "v2"}, nil))
},
output: "# foo comment\nbuild o1 o2 o3 o4 | io1 io2 io3 io4: foo e1 e2 e3 e4 | i1 i2 i3 i4 || oo1 oo2 $\n oo3 oo4 |@ v1 v2 v3 v4\n",
},
{
input: func(w *ninjaWriter) {
ck(w.Build("foo comment", "foo",
testNinjaStrings(strings.Repeat("o", lineWidth)),
nil,
testNinjaStrings(strings.Repeat("i", lineWidth)),
nil, nil, nil, nil, nil, nil, nil, nil, nil, nil))
},
output: "# foo comment\nbuild $\n " + strings.Repeat("o", lineWidth) + ": $\n foo $\n " + strings.Repeat("i", lineWidth) + "\n",
},
{
input: func(w *ninjaWriter) {
ck(w.Default(nil, testNinjaStrings("foo"), []string{"bar"}))
},
output: "default bar foo\n",
},
{
input: func(w *ninjaWriter) {
ck(w.Assign("foo", "bar"))
},
output: "foo = bar\n",
},
{
input: func(w *ninjaWriter) {
ck(w.ScopedAssign("foo", "bar"))
},
output: " foo = bar\n",
},
{
input: func(w *ninjaWriter) {
ck(w.Subninja("build.ninja"))
},
output: "subninja build.ninja\n",
},
{
input: func(w *ninjaWriter) {
ck(w.BlankLine())
},
output: "\n",
},
{
input: func(w *ninjaWriter) {
ck(w.Pool("p"))
ck(w.ScopedAssign("depth", "3"))
ck(w.BlankLine())
ck(w.Comment("here comes a rule"))
ck(w.Rule("r"))
ck(w.ScopedAssign("command", "echo out: $out in: $in _arg: $_arg"))
ck(w.ScopedAssign("pool", "p"))
ck(w.BlankLine())
ck(w.Build("r comment", "r", testNinjaStrings("foo.o"),
nil, testNinjaStrings("foo.in"), nil, nil, nil, nil,
nil, nil, nil, nil, nil, nil))
ck(w.ScopedAssign("_arg", "arg value"))
},
output: `pool p
depth = 3
# here comes a rule
rule r
command = echo out: $out in: $in _arg: $_arg
pool = p
# r comment
build foo.o: r foo.in
_arg = arg value
`,
},
}
func TestNinjaWriter(t *testing.T) {
for i, testCase := range ninjaWriterTestCases {
buf := bytes.NewBuffer(nil)
w := newNinjaWriter(buf)
testCase.input(w)
if buf.String() != testCase.output {
t.Errorf("incorrect output for test case %d", i)
t.Errorf(" expected: %q", testCase.output)
t.Errorf(" got: %q", buf.String())
}
}
}
func testNinjaStrings(s ...string) []*ninjaString {
ret, _ := parseNinjaStrings(nil, s)
return ret
}
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