87 lines
1.6 KiB
Go
87 lines
1.6 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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type optional struct {
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err error
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exec bool
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}
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func (o *optional) Invoke() error {
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o.exec = true
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return o.err
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}
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func TestDeopterInvoked(t *testing.T) {
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var o = &optional{}
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var d = NewDeopter(o.Invoke)
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var err = d.Invoke()
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assert.Nil(t, err)
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assert.True(t, o.exec)
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}
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func TestDeopterOptOut(t *testing.T) {
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var o = &optional{}
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var d = NewDeopter(o.Invoke)
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d.Deopt()
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var err = d.Invoke()
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assert.Nil(t, err)
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assert.False(t, o.exec)
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}
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func TestDeopterErrorOnInvocation(t *testing.T) {
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var o = &optional{err: errors.New("err")}
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var d = NewDeopter(o.Invoke)
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var err = d.Invoke()
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assert.Equal(t, o.err, err)
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}
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func TestDeopterMultipleInvocations(t *testing.T) {
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var o1, o2 = &optional{}, &optional{}
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var d = NewDeopter(o1.Invoke, o2.Invoke)
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var err = d.Invoke()
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assert.Nil(t, err)
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assert.True(t, o1.exec)
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assert.True(t, o2.exec)
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}
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func TestDeopterMultipleErrors(t *testing.T) {
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var o1, o2 = &optional{err: errors.New("err1")}, &optional{err: errors.New("err2")}
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var d = NewDeopter(o1.Invoke, o2.Invoke)
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var err = d.Invoke()
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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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require.Equal(t, 2, len(errs))
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assert.True(t, o1.exec)
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assert.True(t, o2.exec)
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}
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func TestDeopterCanAdd(t *testing.T) {
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var o1, o2 = &optional{}, &optional{}
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var d = NewDeopter(o1.Invoke)
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d.Add(o2.Invoke)
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var err = d.Invoke()
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assert.Nil(t, err)
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assert.True(t, o1.exec)
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assert.True(t, o2.exec)
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}
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