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// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package fuzzy_test
import (
"bytes"
"sort"
"testing"
"golang.org/x/tools/internal/fuzzy"
)
var rolesTests = []struct {
str string
want string
}{
{str: "abc::def::goo", want: "Ccc//Ccc//Ccc"},
{str: "proto::Message", want: "Ccccc//Ccccccc"},
{str: "AbstractSWTFactory", want: "CcccccccCuuCcccccc"},
{str: "Abs012", want: "Cccccc"},
{str: "/", want: " "},
{str: "fOO", want: "CCu"},
{str: "fo_oo.o_oo", want: "Cc Cc/C Cc"},
}
func rolesString(roles []fuzzy.RuneRole) string {
var buf bytes.Buffer
for _, r := range roles {
buf.WriteByte(" /cuC"[int(r)])
}
return buf.String()
}
func TestRoles(t *testing.T) {
for _, tc := range rolesTests {
gotRoles := make([]fuzzy.RuneRole, len(tc.str))
fuzzy.RuneRoles([]byte(tc.str), gotRoles)
got := rolesString(gotRoles)
if got != tc.want {
t.Errorf("roles(%s) = %v; want %v", tc.str, got, tc.want)
}
}
}
var wordSplitTests = []struct {
input string
want []string
}{
{
input: "foo bar baz",
want: []string{"foo", "bar", "baz"},
},
{
input: "fooBarBaz",
want: []string{"foo", "Bar", "Baz"},
},
{
input: "FOOBarBAZ",
want: []string{"FOO", "Bar", "BAZ"},
},
{
input: "foo123_bar2Baz3",
want: []string{"foo123", "bar2", "Baz3"},
},
}
func TestWordSplit(t *testing.T) {
for _, tc := range wordSplitTests {
roles := fuzzy.RuneRoles([]byte(tc.input), nil)
var got []string
consumer := func(i, j int) {
got = append(got, tc.input[i:j])
}
fuzzy.Words(roles, consumer)
if eq := diffStringLists(tc.want, got); !eq {
t.Errorf("input %v: (want %v -> got %v)", tc.input, tc.want, got)
}
}
}
func diffStringLists(a, b []string) bool {
if len(a) != len(b) {
return false
}
sort.Strings(a)
sort.Strings(b)
for i := range a {
if a[i] != b[i] {
return false
}
}
return true
}
var lastSegmentSplitTests = []struct {
str string
want string
}{
{
str: "identifier",
want: "identifier",
},
{
str: "two_words",
want: "two_words",
},
{
str: "first::second",
want: "second",
},
{
str: "foo.bar.FOOBar_buz123_test",
want: "FOOBar_buz123_test",
},
}
func TestLastSegment(t *testing.T) {
for _, tc := range lastSegmentSplitTests {
roles := fuzzy.RuneRoles([]byte(tc.str), nil)
got := fuzzy.LastSegment(tc.str, roles)
if got != tc.want {
t.Errorf("str %v: want %v; got %v", tc.str, tc.want, got)
}
}
}
func BenchmarkRoles(b *testing.B) {
str := "AbstractSWTFactory"
out := make([]fuzzy.RuneRole, len(str))
for i := 0; i < b.N; i++ {
fuzzy.RuneRoles([]byte(str), out)
}
b.SetBytes(int64(len(str)))
}
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