81 lines
1.6 KiB
Go
81 lines
1.6 KiB
Go
package agherr
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import (
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"errors"
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"fmt"
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"testing"
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"github.com/AdguardTeam/AdGuardHome/internal/testutil"
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"github.com/stretchr/testify/assert"
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)
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func TestMain(m *testing.M) {
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testutil.DiscardLogOutput(m)
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}
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func TestError_Error(t *testing.T) {
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testCases := []struct {
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name string
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want string
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err error
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}{{
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name: "simple",
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want: "a",
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err: Many("a"),
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}, {
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name: "wrapping",
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want: "a: b",
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err: Many("a", errors.New("b")),
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}, {
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name: "wrapping several",
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want: "a: b (hidden: c, d)",
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err: Many("a", errors.New("b"), errors.New("c"), errors.New("d")),
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}, {
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name: "wrapping wrapper",
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want: "a: b: c (hidden: d)",
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err: Many("a", Many("b", errors.New("c"), errors.New("d"))),
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}}
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for _, tc := range testCases {
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assert.Equal(t, tc.want, tc.err.Error(), tc.name)
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}
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}
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func TestError_Unwrap(t *testing.T) {
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var _ wrapper = &manyError{}
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const (
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errSimple = iota
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errWrapped
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errNil
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)
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errs := []error{
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errSimple: errors.New("a"),
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errWrapped: fmt.Errorf("err: %w", errors.New("nested")),
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errNil: nil,
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}
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testCases := []struct {
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name string
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want error
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wrapped error
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}{{
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name: "simple",
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want: errs[errSimple],
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wrapped: Many("a", errs[errSimple]),
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}, {
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name: "nested",
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want: errs[errWrapped],
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wrapped: Many("b", errs[errWrapped]),
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}, {
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name: "nil passed",
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want: errs[errNil],
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wrapped: Many("c", errs[errNil]),
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}, {
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name: "nil not passed",
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want: nil,
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wrapped: Many("d"),
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}}
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for _, tc := range testCases {
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assert.Equal(t, tc.want, errors.Unwrap(tc.wrapped), tc.name)
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}
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}
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