30 lines
881 B
Go
30 lines
881 B
Go
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package moslice_test
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import (
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"lmika.dev/pkg/modash/moslice"
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"strings"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestFilter(t *testing.T) {
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var (
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ints = []int{1, 2, 3, 4, 5}
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strs = []string{"foo", "bar", "baz"}
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)
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t.Run("should filter items matching the predicate", func(t *testing.T) {
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assert.Equal(t, []int{2, 4}, moslice.Filter(ints, func(x int) bool { return x%2 == 0 }))
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assert.Equal(t, []string{"bar", "baz"}, moslice.Filter(strs, func(x string) bool { return strings.Contains(x, "b") }))
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})
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t.Run("should moslice nil if the passed in slice is nil", func(t *testing.T) {
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assert.Nil(t, moslice.Filter(nil, func(x int) bool { return x%2 == 0 }))
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})
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t.Run("should return empty slice if the passed in slice is empty slice", func(t *testing.T) {
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assert.Equal(t, []int{}, moslice.Filter([]int{}, func(x int) bool { return x%2 == 0 }))
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})
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}
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