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// Copyright 2017 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 (
"strings"
"testing"
)
var splitNTestCases = []struct {
in *MakeString
expected []*MakeString
sep string
n int
}{
{
in: &MakeString{
Strings: []string{
"a b c",
"d e f",
" h i j",
},
Variables: []Variable{
Variable{Name: SimpleMakeString("var1", NoPos)},
Variable{Name: SimpleMakeString("var2", NoPos)},
},
},
sep: " ",
n: -1,
expected: []*MakeString{
SimpleMakeString("a", NoPos),
SimpleMakeString("b", NoPos),
&MakeString{
Strings: []string{"c", "d"},
Variables: []Variable{
Variable{Name: SimpleMakeString("var1", NoPos)},
},
},
SimpleMakeString("e", NoPos),
&MakeString{
Strings: []string{"f", ""},
Variables: []Variable{
Variable{Name: SimpleMakeString("var2", NoPos)},
},
},
SimpleMakeString("h", NoPos),
SimpleMakeString("i", NoPos),
SimpleMakeString("j", NoPos),
},
},
{
in: &MakeString{
Strings: []string{
"a b c",
"d e f",
" h i j",
},
Variables: []Variable{
Variable{Name: SimpleMakeString("var1", NoPos)},
Variable{Name: SimpleMakeString("var2", NoPos)},
},
},
sep: " ",
n: 3,
expected: []*MakeString{
SimpleMakeString("a", NoPos),
SimpleMakeString("b", NoPos),
&MakeString{
Strings: []string{"c", "d e f", " h i j"},
Variables: []Variable{
Variable{Name: SimpleMakeString("var1", NoPos)},
Variable{Name: SimpleMakeString("var2", NoPos)},
},
},
},
},
}
func TestMakeStringSplitN(t *testing.T) {
for _, test := range splitNTestCases {
got := test.in.SplitN(test.sep, test.n)
gotString := dumpArray(got)
expectedString := dumpArray(test.expected)
if gotString != expectedString {
t.Errorf("expected:\n%s\ngot:\n%s", expectedString, gotString)
}
}
}
var valueTestCases = []struct {
in *MakeString
expected string
}{
{
in: SimpleMakeString("a b", NoPos),
expected: "a b",
},
{
in: SimpleMakeString("a\\ \\\tb\\\\", NoPos),
expected: "a \tb\\",
},
{
in: SimpleMakeString("a\\b\\", NoPos),
expected: "a\\b\\",
},
}
func TestMakeStringValue(t *testing.T) {
for _, test := range valueTestCases {
got := test.in.Value(nil)
if got != test.expected {
t.Errorf("\nwith: %q\nwant: %q\n got: %q", test.in.Dump(), test.expected, got)
}
}
}
var splitWordsTestCases = []struct {
in *MakeString
expected []*MakeString
}{
{
in: SimpleMakeString("", NoPos),
expected: []*MakeString{},
},
{
in: SimpleMakeString(" a b\\ c d", NoPos),
expected: []*MakeString{
SimpleMakeString("a", NoPos),
SimpleMakeString("b\\ c", NoPos),
SimpleMakeString("d", NoPos),
},
},
{
in: SimpleMakeString(" a\tb\\\t\\ c d ", NoPos),
expected: []*MakeString{
SimpleMakeString("a", NoPos),
SimpleMakeString("b\\\t\\ c", NoPos),
SimpleMakeString("d", NoPos),
},
},
{
in: SimpleMakeString(`a\\ b\\\ c d`, NoPos),
expected: []*MakeString{
SimpleMakeString(`a\\`, NoPos),
SimpleMakeString(`b\\\ c`, NoPos),
SimpleMakeString("d", NoPos),
},
},
}
func TestMakeStringWords(t *testing.T) {
for _, test := range splitWordsTestCases {
got := test.in.Words()
gotString := dumpArray(got)
expectedString := dumpArray(test.expected)
if gotString != expectedString {
t.Errorf("with:\n%q\nexpected:\n%s\ngot:\n%s", test.in.Dump(), expectedString, gotString)
}
}
}
func dumpArray(a []*MakeString) string {
ret := make([]string, len(a))
for i, s := range a {
ret[i] = s.Dump()
}
return strings.Join(ret, "|||")
}
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