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// Copyright 2018 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 parser
import (
"bytes"
"testing"
)
var parserTestCases = []struct {
name string
in string
out []Node
}{
{
name: "Escaped $",
in: `a$$ b: c`,
out: []Node{
&Rule{
Target: SimpleMakeString("a$ b", NoPos),
Prerequisites: SimpleMakeString("c", NoPos),
},
},
},
{
name: "Simple warning",
in: `$(warning A warning)`,
out: []Node{
&Variable{
Name: SimpleMakeString("warning A warning", NoPos),
},
},
},
{
name: "Warning with #",
in: `$(warning # A warning)`,
out: []Node{
&Variable{
Name: SimpleMakeString("warning # A warning", NoPos),
},
},
},
{
name: "Findstring with #",
in: `$(findstring x,x a #)`,
out: []Node{
&Variable{
Name: SimpleMakeString("findstring x,x a #", NoPos),
},
},
},
{
name: "If statement",
in: `ifeq (a,b) # comment
endif`,
out: []Node{
&Directive{
NamePos: NoPos,
Name: "ifeq",
Args: SimpleMakeString("(a,b) ", NoPos),
EndPos: NoPos,
},
&Comment{
CommentPos: NoPos,
Comment: " comment",
},
&Directive{
NamePos: NoPos,
Name: "endif",
Args: SimpleMakeString("", NoPos),
EndPos: NoPos,
},
},
},
}
func TestParse(t *testing.T) {
for _, test := range parserTestCases {
t.Run(test.name, func(t *testing.T) {
p := NewParser(test.name, bytes.NewBufferString(test.in))
got, errs := p.Parse()
if len(errs) != 0 {
t.Fatalf("Unexpected errors while parsing: %v", errs)
}
if len(got) != len(test.out) {
t.Fatalf("length mismatch, expected %d nodes, got %d", len(test.out), len(got))
}
for i := range got {
if got[i].Dump() != test.out[i].Dump() {
t.Errorf("incorrect node %d:\nexpected: %#v (%s)\n got: %#v (%s)",
i, test.out[i], test.out[i].Dump(), got[i], got[i].Dump())
}
}
})
}
}
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