63 lines
1.8 KiB
Go
63 lines
1.8 KiB
Go
package stringslice
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import (
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"fmt"
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"testing"
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"github.com/stretchr/testify/require"
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)
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func TestContains(t *testing.T) {
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l := []string{"a", "b", "c"}
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if !Contains(l, "b") {
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t.Fatalf("should contain")
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}
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if Contains(l, "d") {
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t.Fatalf("should not contain")
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}
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}
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func TestEqual(t *testing.T) {
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for _, tc := range []struct {
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a, b []string
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equal bool
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}{
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{nil, nil, true},
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{nil, []string{}, true},
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{[]string{}, []string{}, true},
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{[]string{"a"}, []string{"a"}, true},
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{[]string{}, []string{"a"}, false},
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{[]string{"a"}, []string{"a", "b"}, false},
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{[]string{"a", "b"}, []string{"a", "b"}, true},
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{[]string{"a", "b"}, []string{"b", "a"}, false},
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} {
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name := fmt.Sprintf("%#v =?= %#v", tc.a, tc.b)
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t.Run(name, func(t *testing.T) {
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require.Equal(t, tc.equal, Equal(tc.a, tc.b))
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require.Equal(t, tc.equal, Equal(tc.b, tc.a))
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})
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}
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}
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func TestMergeSorted(t *testing.T) {
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for name, tc := range map[string]struct {
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a, b []string
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expect []string
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}{
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"nil": {nil, nil, nil},
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"empty": {[]string{}, []string{}, nil},
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"one and none": {[]string{"foo"}, []string{}, []string{"foo"}},
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"one and one dupe": {[]string{"foo"}, []string{"foo"}, []string{"foo"}},
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"one and one": {[]string{"foo"}, []string{"bar"}, []string{"bar", "foo"}},
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"two and one": {[]string{"baz", "foo"}, []string{"bar"}, []string{"bar", "baz", "foo"}},
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"two and two": {[]string{"baz", "foo"}, []string{"bar", "egg"}, []string{"bar", "baz", "egg", "foo"}},
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"two and two dupe": {[]string{"bar", "foo"}, []string{"bar", "egg"}, []string{"bar", "egg", "foo"}},
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} {
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tc := tc
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t.Run(name, func(t *testing.T) {
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require.Equal(t, tc.expect, MergeSorted(tc.a, tc.b))
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require.Equal(t, tc.expect, MergeSorted(tc.b, tc.a))
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})
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}
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}
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