clair/vendor/github.com/grpc-ecosystem/grpc-gateway/utilities/trie_test.go
2017-06-13 15:58:11 -04:00

373 lines
7.0 KiB
Go

package utilities_test
import (
"reflect"
"testing"
"github.com/grpc-ecosystem/grpc-gateway/utilities"
)
func TestMaxCommonPrefix(t *testing.T) {
for _, spec := range []struct {
da utilities.DoubleArray
tokens []string
want bool
}{
{
da: utilities.DoubleArray{},
tokens: nil,
want: false,
},
{
da: utilities.DoubleArray{},
tokens: []string{"foo"},
want: false,
},
{
da: utilities.DoubleArray{
Encoding: map[string]int{
"foo": 0,
},
Base: []int{1, 1, 0},
Check: []int{0, 1, 2},
},
tokens: nil,
want: false,
},
{
da: utilities.DoubleArray{
Encoding: map[string]int{
"foo": 0,
},
Base: []int{1, 1, 0},
Check: []int{0, 1, 2},
},
tokens: []string{"foo"},
want: true,
},
{
da: utilities.DoubleArray{
Encoding: map[string]int{
"foo": 0,
},
Base: []int{1, 1, 0},
Check: []int{0, 1, 2},
},
tokens: []string{"bar"},
want: false,
},
{
// foo|bar
da: utilities.DoubleArray{
Encoding: map[string]int{
"foo": 0,
"bar": 1,
},
Base: []int{1, 1, 2, 0, 0},
Check: []int{0, 1, 1, 2, 3},
// 0: ^
// 1: ^foo
// 2: ^bar
// 3: ^foo$
// 4: ^bar$
},
tokens: []string{"foo"},
want: true,
},
{
// foo|bar
da: utilities.DoubleArray{
Encoding: map[string]int{
"foo": 0,
"bar": 1,
},
Base: []int{1, 1, 2, 0, 0},
Check: []int{0, 1, 1, 2, 3},
// 0: ^
// 1: ^foo
// 2: ^bar
// 3: ^foo$
// 4: ^bar$
},
tokens: []string{"bar"},
want: true,
},
{
// foo|bar
da: utilities.DoubleArray{
Encoding: map[string]int{
"foo": 0,
"bar": 1,
},
Base: []int{1, 1, 2, 0, 0},
Check: []int{0, 1, 1, 2, 3},
// 0: ^
// 1: ^foo
// 2: ^bar
// 3: ^foo$
// 4: ^bar$
},
tokens: []string{"something-else"},
want: false,
},
{
// foo|bar
da: utilities.DoubleArray{
Encoding: map[string]int{
"foo": 0,
"bar": 1,
},
Base: []int{1, 1, 2, 0, 0},
Check: []int{0, 1, 1, 2, 3},
// 0: ^
// 1: ^foo
// 2: ^bar
// 3: ^foo$
// 4: ^bar$
},
tokens: []string{"foo", "bar"},
want: true,
},
{
// foo|foo\.bar|bar
da: utilities.DoubleArray{
Encoding: map[string]int{
"foo": 0,
"bar": 1,
},
Base: []int{1, 3, 1, 0, 4, 0, 0},
Check: []int{0, 1, 1, 3, 2, 2, 5},
// 0: ^
// 1: ^foo
// 2: ^bar
// 3: ^bar$
// 4: ^foo.bar
// 5: ^foo$
// 6: ^foo.bar$
},
tokens: []string{"foo"},
want: true,
},
{
// foo|foo\.bar|bar
da: utilities.DoubleArray{
Encoding: map[string]int{
"foo": 0,
"bar": 1,
},
Base: []int{1, 3, 1, 0, 4, 0, 0},
Check: []int{0, 1, 1, 3, 2, 2, 5},
// 0: ^
// 1: ^foo
// 2: ^bar
// 3: ^bar$
// 4: ^foo.bar
// 5: ^foo$
// 6: ^foo.bar$
},
tokens: []string{"foo", "bar"},
want: true,
},
{
// foo|foo\.bar|bar
da: utilities.DoubleArray{
Encoding: map[string]int{
"foo": 0,
"bar": 1,
},
Base: []int{1, 3, 1, 0, 4, 0, 0},
Check: []int{0, 1, 1, 3, 2, 2, 5},
// 0: ^
// 1: ^foo
// 2: ^bar
// 3: ^bar$
// 4: ^foo.bar
// 5: ^foo$
// 6: ^foo.bar$
},
tokens: []string{"bar"},
want: true,
},
{
// foo|foo\.bar|bar
da: utilities.DoubleArray{
Encoding: map[string]int{
"foo": 0,
"bar": 1,
},
Base: []int{1, 3, 1, 0, 4, 0, 0},
Check: []int{0, 1, 1, 3, 2, 2, 5},
// 0: ^
// 1: ^foo
// 2: ^bar
// 3: ^bar$
// 4: ^foo.bar
// 5: ^foo$
// 6: ^foo.bar$
},
tokens: []string{"something-else"},
want: false,
},
{
// foo|foo\.bar|bar
da: utilities.DoubleArray{
Encoding: map[string]int{
"foo": 0,
"bar": 1,
},
Base: []int{1, 3, 1, 0, 4, 0, 0},
Check: []int{0, 1, 1, 3, 2, 2, 5},
// 0: ^
// 1: ^foo
// 2: ^bar
// 3: ^bar$
// 4: ^foo.bar
// 5: ^foo$
// 6: ^foo.bar$
},
tokens: []string{"foo", "bar", "baz"},
want: true,
},
} {
got := spec.da.HasCommonPrefix(spec.tokens)
if got != spec.want {
t.Errorf("%#v.HasCommonPrefix(%v) = %v; want %v", spec.da, spec.tokens, got, spec.want)
}
}
}
func TestAdd(t *testing.T) {
for _, spec := range []struct {
tokens [][]string
want utilities.DoubleArray
}{
{
want: utilities.DoubleArray{
Encoding: make(map[string]int),
},
},
{
tokens: [][]string{{"foo"}},
want: utilities.DoubleArray{
Encoding: map[string]int{"foo": 0},
Base: []int{1, 1, 0},
Check: []int{0, 1, 2},
// 0: ^
// 1: ^foo
// 2: ^foo$
},
},
{
tokens: [][]string{{"foo"}, {"bar"}},
want: utilities.DoubleArray{
Encoding: map[string]int{
"foo": 0,
"bar": 1,
},
Base: []int{1, 1, 2, 0, 0},
Check: []int{0, 1, 1, 2, 3},
// 0: ^
// 1: ^foo
// 2: ^bar
// 3: ^foo$
// 4: ^bar$
},
},
{
tokens: [][]string{{"foo", "bar"}, {"foo", "baz"}},
want: utilities.DoubleArray{
Encoding: map[string]int{
"foo": 0,
"bar": 1,
"baz": 2,
},
Base: []int{1, 1, 1, 2, 0, 0},
Check: []int{0, 1, 2, 2, 3, 4},
// 0: ^
// 1: ^foo
// 2: ^foo.bar
// 3: ^foo.baz
// 4: ^foo.bar$
// 5: ^foo.baz$
},
},
{
tokens: [][]string{{"foo", "bar"}, {"foo", "baz"}, {"qux"}},
want: utilities.DoubleArray{
Encoding: map[string]int{
"foo": 0,
"bar": 1,
"baz": 2,
"qux": 3,
},
Base: []int{1, 1, 1, 2, 3, 0, 0, 0},
Check: []int{0, 1, 2, 2, 1, 3, 4, 5},
// 0: ^
// 1: ^foo
// 2: ^foo.bar
// 3: ^foo.baz
// 4: ^qux
// 5: ^foo.bar$
// 6: ^foo.baz$
// 7: ^qux$
},
},
{
tokens: [][]string{
{"foo", "bar"},
{"foo", "baz", "bar"},
{"qux", "foo"},
},
want: utilities.DoubleArray{
Encoding: map[string]int{
"foo": 0,
"bar": 1,
"baz": 2,
"qux": 3,
},
Base: []int{1, 1, 1, 5, 8, 0, 3, 0, 5, 0},
Check: []int{0, 1, 2, 2, 1, 3, 4, 7, 5, 9},
// 0: ^
// 1: ^foo
// 2: ^foo.bar
// 3: ^foo.baz
// 4: ^qux
// 5: ^foo.bar$
// 6: ^foo.baz.bar
// 7: ^foo.baz.bar$
// 8: ^qux.foo
// 9: ^qux.foo$
},
},
} {
da := utilities.NewDoubleArray(spec.tokens)
if got, want := da.Encoding, spec.want.Encoding; !reflect.DeepEqual(got, want) {
t.Errorf("da.Encoding = %v; want %v; tokens = %#v", got, want, spec.tokens)
}
if got, want := da.Base, spec.want.Base; !compareArray(got, want) {
t.Errorf("da.Base = %v; want %v; tokens = %#v", got, want, spec.tokens)
}
if got, want := da.Check, spec.want.Check; !compareArray(got, want) {
t.Errorf("da.Check = %v; want %v; tokens = %#v", got, want, spec.tokens)
}
}
}
func compareArray(got, want []int) bool {
var i int
for i = 0; i < len(got) && i < len(want); i++ {
if got[i] != want[i] {
return false
}
}
if i < len(want) {
return false
}
for ; i < len(got); i++ {
if got[i] != 0 {
return false
}
}
return true
}