53ca8b2512
kati and GNU make may have blank lines in the middle of commands declared in rules. Add compatibility for this. Change-Id: Iae03053c0cb901074c26420c0c6ac1c0e00d99de
127 lines
2.7 KiB
Go
127 lines
2.7 KiB
Go
// Copyright 2018 Google Inc. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package parser
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import (
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"bytes"
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"testing"
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)
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var parserTestCases = []struct {
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name string
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in string
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out []Node
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}{
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{
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name: "Escaped $",
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in: `a$$ b: c`,
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out: []Node{
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&Rule{
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Target: SimpleMakeString("a$ b", NoPos),
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Prerequisites: SimpleMakeString("c", NoPos),
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},
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},
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},
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{
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name: "Simple warning",
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in: `$(warning A warning)`,
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out: []Node{
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&Variable{
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Name: SimpleMakeString("warning A warning", NoPos),
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},
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},
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},
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{
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name: "Warning with #",
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in: `$(warning # A warning)`,
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out: []Node{
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&Variable{
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Name: SimpleMakeString("warning # A warning", NoPos),
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},
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},
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},
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{
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name: "Findstring with #",
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in: `$(findstring x,x a #)`,
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out: []Node{
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&Variable{
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Name: SimpleMakeString("findstring x,x a #", NoPos),
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},
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},
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},
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{
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name: "If statement",
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in: `ifeq (a,b) # comment
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endif`,
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out: []Node{
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&Directive{
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NamePos: NoPos,
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Name: "ifeq",
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Args: SimpleMakeString("(a,b) ", NoPos),
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EndPos: NoPos,
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},
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&Comment{
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CommentPos: NoPos,
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Comment: " comment",
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},
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&Directive{
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NamePos: NoPos,
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Name: "endif",
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Args: SimpleMakeString("", NoPos),
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EndPos: NoPos,
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},
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},
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},
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{
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name: "Blank line in rule's command",
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in: `all:
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echo first line
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echo second line`,
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out: []Node{
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&Rule{
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Target: SimpleMakeString("all", NoPos),
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RecipePos: NoPos,
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Recipe: "echo first line\necho second line",
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Prerequisites: SimpleMakeString("", NoPos),
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},
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},
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},
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}
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func TestParse(t *testing.T) {
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for _, test := range parserTestCases {
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t.Run(test.name, func(t *testing.T) {
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p := NewParser(test.name, bytes.NewBufferString(test.in))
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got, errs := p.Parse()
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if len(errs) != 0 {
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t.Fatalf("Unexpected errors while parsing: %v", errs)
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}
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if len(got) != len(test.out) {
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t.Fatalf("length mismatch, expected %d nodes, got %d", len(test.out), len(got))
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}
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for i := range got {
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if got[i].Dump() != test.out[i].Dump() {
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t.Errorf("incorrect node %d:\nexpected: %#v (%s)\n got: %#v (%s)",
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i, test.out[i], test.out[i].Dump(), got[i], got[i].Dump())
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}
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}
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})
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}
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}
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