1 // Copyright 2014 Google Inc. 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 15 package blueprint 16 17 import ( 18 "reflect" 19 "testing" 20 ) 21 22 var ninjaParseTestCases = []struct { 23 input string 24 vars []string 25 strs []string 26 err string 27 }{ 28 { 29 input: "abc def $ghi jkl", 30 vars: []string{"ghi"}, 31 strs: []string{"abc def ", " jkl"}, 32 }, 33 { 34 input: "abc def $ghi$jkl", 35 vars: []string{"ghi", "jkl"}, 36 strs: []string{"abc def ", "", ""}, 37 }, 38 { 39 input: "foo $012_-345xyz_! bar", 40 vars: []string{"012_-345xyz_"}, 41 strs: []string{"foo ", "! bar"}, 42 }, 43 { 44 input: "foo ${012_-345xyz_} bar", 45 vars: []string{"012_-345xyz_"}, 46 strs: []string{"foo ", " bar"}, 47 }, 48 { 49 input: "foo ${012_-345xyz_} bar", 50 vars: []string{"012_-345xyz_"}, 51 strs: []string{"foo ", " bar"}, 52 }, 53 { 54 input: "foo $$ bar", 55 vars: nil, 56 strs: []string{"foo $$ bar"}, 57 }, 58 { 59 input: "$foo${bar}", 60 vars: []string{"foo", "bar"}, 61 strs: []string{"", "", ""}, 62 }, 63 { 64 input: "$foo$$", 65 vars: []string{"foo"}, 66 strs: []string{"", "$$"}, 67 }, 68 { 69 input: "foo bar", 70 vars: nil, 71 strs: []string{"foo bar"}, 72 }, 73 { 74 input: " foo ", 75 vars: nil, 76 strs: []string{"$ foo "}, 77 }, 78 { 79 input: "foo $ bar", 80 err: "invalid character after '$' at byte offset 5", 81 }, 82 { 83 input: "foo $", 84 err: "unexpected end of string after '$'", 85 }, 86 { 87 input: "foo ${} bar", 88 err: "empty variable name at byte offset 6", 89 }, 90 { 91 input: "foo ${abc!} bar", 92 err: "invalid character in variable name at byte offset 9", 93 }, 94 { 95 input: "foo ${abc", 96 err: "unexpected end of string in variable name", 97 }, 98 } 99 100 func TestParseNinjaString(t *testing.T) { 101 for _, testCase := range ninjaParseTestCases { 102 scope := newLocalScope(nil, "namespace") 103 expectedVars := []Variable{} 104 for _, varName := range testCase.vars { 105 v, err := scope.LookupVariable(varName) 106 if err != nil { 107 v, err = scope.AddLocalVariable(varName, "") 108 if err != nil { 109 t.Fatalf("error creating scope: %s", err) 110 } 111 } 112 expectedVars = append(expectedVars, v) 113 } 114 115 output, err := parseNinjaString(scope, testCase.input) 116 if err == nil { 117 if !reflect.DeepEqual(output.variables, expectedVars) { 118 t.Errorf("incorrect variable list:") 119 t.Errorf(" input: %q", testCase.input) 120 t.Errorf(" expected: %#v", expectedVars) 121 t.Errorf(" got: %#v", output.variables) 122 } 123 if !reflect.DeepEqual(output.strings, testCase.strs) { 124 t.Errorf("incorrect string list:") 125 t.Errorf(" input: %q", testCase.input) 126 t.Errorf(" expected: %#v", testCase.strs) 127 t.Errorf(" got: %#v", output.strings) 128 } 129 } 130 var errStr string 131 if err != nil { 132 errStr = err.Error() 133 } 134 if err != nil && err.Error() != testCase.err { 135 t.Errorf("unexpected error:") 136 t.Errorf(" input: %q", testCase.input) 137 t.Errorf(" expected: %q", testCase.err) 138 t.Errorf(" got: %q", errStr) 139 } 140 } 141 } 142 143 func TestParseNinjaStringWithImportedVar(t *testing.T) { 144 ImpVar := &staticVariable{name_: "ImpVar"} 145 impScope := newScope(nil) 146 impScope.AddVariable(ImpVar) 147 scope := newScope(nil) 148 scope.AddImport("impPkg", impScope) 149 150 input := "abc def ${impPkg.ImpVar} ghi" 151 output, err := parseNinjaString(scope, input) 152 if err != nil { 153 t.Fatalf("unexpected error: %s", err) 154 } 155 156 expect := []Variable{ImpVar} 157 if !reflect.DeepEqual(output.variables, expect) { 158 t.Errorf("incorrect output:") 159 t.Errorf(" input: %q", input) 160 t.Errorf(" expected: %#v", expect) 161 t.Errorf(" got: %#v", output) 162 } 163 } 164
