mirror of https://github.com/containers/podman.git
54 lines
1.0 KiB
Go
54 lines
1.0 KiB
Go
package errorhandling
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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/stretchr/testify/assert"
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)
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func TestCause(t *testing.T) {
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t.Parallel()
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for _, tc := range []struct {
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name string
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err func() error
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expectedErr error
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}{
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{
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name: "nil error",
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err: func() error { return nil },
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expectedErr: nil,
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},
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{
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name: "equal errors",
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err: func() error { return errors.New("foo") },
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expectedErr: errors.New("foo"),
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},
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{
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name: "wrapped error",
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err: func() error { return fmt.Errorf("baz: %w", fmt.Errorf("bar: %w", errors.New("foo"))) },
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expectedErr: errors.New("foo"),
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},
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{
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name: "max depth reached",
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err: func() error {
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err := errors.New("error")
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for i := 0; i <= 101; i++ {
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err = fmt.Errorf("%d: %w", i, err)
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}
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return err
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},
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expectedErr: fmt.Errorf("0: %w", errors.New("error")),
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},
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} {
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tc := tc
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t.Run(tc.name, func(t *testing.T) {
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t.Parallel()
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err := Cause(tc.err())
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assert.Equal(t, tc.expectedErr, err)
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})
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}
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}
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