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package test
import (
"bytes"
"io"
"os"
"path/filepath"
"strings"
"testing"
"github.com/jhillyerd/enmime"
)
// PartExists indicates to ComparePart that this part is expect to exist
var PartExists = &enmime.Part{}
// OpenTestData is a utility function to open a file in testdata for reading, it will panic if there
// is an error.
func OpenTestData(subdir, filename string) io.Reader {
// Open test part for parsing
raw, err := os.Open(filepath.Join("testdata", subdir, filename))
if err != nil {
// err already contains full path to file
panic(err)
}
return raw
}
// ComparePart test helper compares the attributes of two parts, returning true if they are equal.
// t.Errorf() will be called for each field that is not equal. The presence of child and siblings
// will be checked, but not the attributes of them. Header, Errors and unexported fields are
// ignored.
func ComparePart(t *testing.T, got *enmime.Part, want *enmime.Part) (equal bool) {
t.Helper()
if got == nil && want != nil {
t.Error("Part == nil, want not nil")
return
}
if got != nil && want == nil {
t.Error("Part != nil, want nil")
return
}
equal = true
if got == nil && want == nil {
return
}
if (got.Parent == nil) != (want.Parent == nil) {
equal = false
gs := "nil"
ws := "nil"
if got.Parent != nil {
gs = "present"
}
if want.Parent != nil {
ws = "present"
}
t.Errorf("Part.Parent == %q, want: %q", gs, ws)
}
if (got.FirstChild == nil) != (want.FirstChild == nil) {
equal = false
gs := "nil"
ws := "nil"
if got.FirstChild != nil {
gs = "present"
}
if want.FirstChild != nil {
ws = "present"
}
t.Errorf("Part.FirstChild == %q, want: %q", gs, ws)
}
if (got.NextSibling == nil) != (want.NextSibling == nil) {
equal = false
gs := "nil"
ws := "nil"
if got.NextSibling != nil {
gs = "present"
}
if want.NextSibling != nil {
ws = "present"
}
t.Errorf("Part.NextSibling == %q, want: %q", gs, ws)
}
if got.ContentType != want.ContentType {
equal = false
t.Errorf("Part.ContentType == %q, want: %q", got.ContentType, want.ContentType)
}
if got.Disposition != want.Disposition {
equal = false
t.Errorf("Part.Disposition == %q, want: %q", got.Disposition, want.Disposition)
}
if got.FileName != want.FileName {
equal = false
t.Errorf("Part.FileName == %q, want: %q", got.FileName, want.FileName)
}
if got.Charset != want.Charset {
equal = false
t.Errorf("Part.Charset == %q, want: %q", got.Charset, want.Charset)
}
if got.PartID != want.PartID {
equal = false
t.Errorf("Part.PartID == %q, want: %q", got.PartID, want.PartID)
}
return
}
// ContentContainsString checks if the provided readers content contains the specified substring
func ContentContainsString(t *testing.T, b []byte, substr string) {
t.Helper()
got := string(b)
if !strings.Contains(got, substr) {
t.Errorf("content == %q, should contain: %q", got, substr)
}
}
// ContentEqualsString checks if the provided readers content is the specified string
func ContentEqualsString(t *testing.T, b []byte, str string) {
t.Helper()
got := string(b)
if got != str {
t.Errorf("content == %q, want: %q", got, str)
}
}
// ContentEqualsBytes checks if the provided readers content is the specified []byte
func ContentEqualsBytes(t *testing.T, b []byte, want []byte) {
t.Helper()
if !bytes.Equal(b, want) {
t.Errorf("content:\n%v, want:\n%v", b, want)
}
}
// CompareEnvelope test helper compares the attributes of two envelopes, returning true if they are equal.
// t.Errorf() will be called for each field that is not equal. The presence of child and siblings
// will be checked, but not the attributes of them. Unexported fields are
// ignored.
func CompareEnvelope(t *testing.T, got *enmime.Envelope, want *enmime.Envelope) (equal bool) {
t.Helper()
if got == nil && want != nil {
t.Error("Envelope == nil, want not nil")
return
}
if got != nil && want == nil {
t.Error("Envelope != nil, want nil")
return
}
equal = true
if got == nil && want == nil {
return
}
if !ComparePart(t, got.Root, want.Root) {
equal = false
t.Error("Envelope.Root mismatch between envelopes")
}
if got.Text != want.Text {
equal = false
t.Errorf("Envelope.Text == %q, want: %q", got.Text, want.Text)
}
if got.HTML != want.HTML {
equal = false
t.Errorf("Envelope.HTML == %q, want: %q", got.HTML, want.HTML)
}
if len(got.Attachments) != len(want.Attachments) {
equal = false
t.Errorf("Envelope.Attachments has %q elements, want: %q", len(got.Attachments), len(want.Attachments))
}
if len(got.Inlines) != len(want.Inlines) {
equal = false
t.Errorf("Envelope.Inlines has %q elements, want: %q", len(got.Inlines), len(want.Inlines))
}
if len(got.OtherParts) != len(want.OtherParts) {
equal = false
t.Errorf("Envelope.OtherParts has %q elements, want: %q", len(got.OtherParts), len(want.OtherParts))
}
if len(got.Errors) != len(want.Errors) {
equal = false
t.Errorf("Envelope.Errors has %q elements, want: %q", len(got.Errors), len(want.Errors))
}
return
}
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