package parser
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestWalker(t *testing.T) {
p := newTestParser(t, "text_html_octet_attachment.eml")
allBodies := [][]byte{}
walker := p.NewWalker().
RegisterDefaultHandler(func(p *Part) (err error) {
if p.Body != nil {
allBodies = append(allBodies, p.Body)
}
return
})
assert.NoError(t, walker.Walk())
assert.ElementsMatch(t, [][]byte{
[]byte("This is body of HTML mail with attachment"),
[]byte("if you are reading this, hi!"),
}, allBodies)
}
func TestWalkerTypeHandler(t *testing.T) {
p := newTestParser(t, "text_html_octet_attachment.eml")
html := [][]byte{}
walker := p.NewWalker().
RegisterContentTypeHandler("text/html", func(p *Part) (err error) {
html = append(html, p.Body)
return
})
assert.NoError(t, walker.Walk())
assert.ElementsMatch(t, [][]byte{
[]byte("This is body of HTML mail with attachment"),
}, html)
}
func TestWalkerDispositionHandler(t *testing.T) {
p := newTestParser(t, "text_html_octet_attachment.eml")
attachments := [][]byte{}
walker := p.NewWalker().
RegisterContentDispositionHandler("attachment", func(p *Part) (err error) {
attachments = append(attachments, p.Body)
return
})
assert.NoError(t, walker.Walk())
assert.ElementsMatch(t, [][]byte{
[]byte("if you are reading this, hi!"),
}, attachments)
}
func TestWalkerDispositionAndTypeHandler_TypeDefinedFirst(t *testing.T) {
p := newTestParser(t, "text_html_octet_attachment.eml")
var typeCalled, dispCalled bool
walker := p.NewWalker().
RegisterContentTypeHandler("application/octet-stream", func(p *Part) (err error) {
typeCalled = true
return
}).
RegisterContentDispositionHandler("attachment", func(p *Part) (err error) {
dispCalled = true
return
})
assert.NoError(t, walker.Walk())
assert.True(t, typeCalled)
assert.False(t, dispCalled)
}