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slice_filter_test.go
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/
slice_filter_test.go
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// Copyright 2019 Hyperscale. All rights reserved.
// Use of this source code is governed by a MIT
// license that can be found in the LICENSE file.
package filter
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestSliceFilter(t *testing.T) {
f := NewSliceFilter(
NewStringToLowerFilter(),
)
assertions := []struct {
value []string
expected []Value
}{
{
value: []string{"FR", "EN"},
expected: []Value{"fr", "en"},
},
}
for _, assertion := range assertions {
u, err := f.Filter(assertion.value)
assert.NoError(t, err)
assert.Equal(t, assertion.expected, u)
}
}
func TestSliceFilterWithBadValue(t *testing.T) {
f := NewSliceFilter(
NewStringToLowerFilter(),
)
u, err := f.Filter(1345)
assert.Error(t, err)
assert.Equal(t, 1345, u)
u, err = f.Filter(nil)
assert.Error(t, err)
assert.Nil(t, u)
u, err = f.Filter([]int{1345})
assert.Error(t, err)
assert.Equal(t, []int{1345}, u)
}
func BenchmarkSliceFilter(b *testing.B) {
f := NewSliceFilter(
NewStringToLowerFilter(),
)
for i := 0; i < b.N; i++ {
f.Filter([]string{"FR", "EN"})
}
}