85 lines
1.9 KiB
Go
85 lines
1.9 KiB
Go
package ut
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import (
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"errors"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestErrCombineNil(t *testing.T) {
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assert.Nil(t, ErrCombine(nil))
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}
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func TestErrCombineEmpty(t *testing.T) {
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assert.Nil(t, ErrCombine())
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}
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func TestErrCombineErrIsKept(t *testing.T) {
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var err = errors.New("err")
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assert.Equal(t, err, ErrCombine(err))
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}
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func TestErrCombineErrIsAssigned(t *testing.T) {
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var err = errors.New("err")
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assert.Equal(t, err, ErrCombine(nil, err))
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}
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func TestErrCombineAggregates(t *testing.T) {
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var err1 = errors.New("err1")
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var err2 = errors.New("err2")
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var err = ErrCombine(err1, err2)
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assert.NotNil(t, err)
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require.Implements(t, (*Errors)(nil), err)
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var errs = err.(Errors).Errs()
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assert.Equal(t, 2, len(errs))
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assert.Equal(t, err1, errs[0])
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assert.Equal(t, err2, errs[1])
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}
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func TestErrCombineErrorContainsBothMessages(t *testing.T) {
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var err1 = errors.New("err1")
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var err2 = errors.New("err2")
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var err = ErrCombine(err1, err2).Error()
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assert.Contains(t, err, err1.Error())
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assert.Contains(t, err, err2.Error())
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}
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func TestErrCombineExpandsFirstArgument(t *testing.T) {
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var err1 = errors.New("err1")
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var err2 = errors.New("err2")
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var err3 = errors.New("err3")
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var err = ErrCombine(ErrCombine(err1, err2), err3)
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assert.NotNil(t, err)
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require.Implements(t, (*Errors)(nil), err)
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var errs = err.(Errors).Errs()
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assert.Equal(t, 3, len(errs))
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assert.Equal(t, err1, errs[0])
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assert.Equal(t, err2, errs[1])
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assert.Equal(t, err3, errs[2])
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}
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func TestErrCombineDoesNotExpandConsecutiveArguments(t *testing.T) {
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var err1 = errors.New("err1")
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var err2 = errors.New("err2")
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var err3 = errors.New("err3")
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var err = ErrCombine(err1, ErrCombine(err2, err3))
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assert.NotNil(t, err)
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require.Implements(t, (*Errors)(nil), err)
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var errs = err.(Errors).Errs()
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assert.Equal(t, 2, len(errs))
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assert.Equal(t, err1, errs[0])
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assert.Implements(t, (*Errors)(nil), errs[1])
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}
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