69 lines
1.7 KiB
Go
69 lines
1.7 KiB
Go
package errors
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import (
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"github.com/stretchr/testify/assert"
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"testing"
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)
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func TestRegisterError(t *testing.T) {
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var error *Error
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// this is the number of errors registered by default in errors.go
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registeredErrorsCount := 16
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assert.Equal(t, len(registry.list()), registeredErrorsCount)
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assert.ElementsMatch(t, registry.list(), ListErrors())
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// add a new Error
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error = RegisterError(69, "nice!", false, "nice!")
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assert.NotNil(t, error)
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// now we have a new error
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registeredErrorsCount++
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assert.Equal(t, len(ListErrors()), registeredErrorsCount)
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// re-register an error should not change anything
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error = RegisterError(69, "nice!", false, "nice!")
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assert.Equal(t, len(ListErrors()), registeredErrorsCount)
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// test sealing
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assert.Equal(t, registry.sealed, false)
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errors := SealAndListErrors()
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assert.Equal(t, registry.sealed, true)
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assert.Equal(t, len(errors), registeredErrorsCount)
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// add a new error on a sealed registry
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error = RegisterError(1024, "bytes", false, "bytes")
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assert.NotNil(t, error)
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}
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func TestError_Error(t *testing.T) {
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var error *Error
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// nil cases
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assert.False(t, ErrOffline.Is(error))
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error = &Error{}
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assert.False(t, ErrOffline.Is(error))
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// wrong type
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assert.False(t, ErrOffline.Is(&MyError{}))
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// test with wrapping an error
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error = WrapError(ErrOffline, "offline")
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assert.True(t, ErrOffline.Is(error))
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// test equality
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assert.False(t, ErrOffline.Is(ErrBadGateway))
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assert.True(t, ErrBadGateway.Is(ErrBadGateway))
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}
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func TestToRosetta(t *testing.T) {
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var error *Error
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// nil case
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assert.NotNil(t, ToRosetta(error))
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// wrong type
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assert.NotNil(t, ToRosetta(&MyError{}))
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}
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type MyError struct {
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}
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func (e *MyError) Error() string {
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return ""
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}
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func (e *MyError) Is(err error) bool {
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return true
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}
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