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package main
import (
"bytes"
"path/filepath"
"strings"
"testing"
)
func TestNewDefaultDumper(t *testing.T) {
if newDefaultDumper() == nil {
t.Fatal("Dumper instance should not be nil")
}
}
func TestNotEnoughArgs(t *testing.T) {
b := &bytes.Buffer{}
d := &dumper{
errOut: b,
}
exitCode := d.dump(nil)
if exitCode != 1 {
t.Fatal("Should have returned an exit code of 1, failed")
}
if b.String() != "Missing filename argument\n" {
t.Fatal("Should be missing filename argument, failed")
}
}
func TestFailedToOpenFile(t *testing.T) {
b := &bytes.Buffer{}
d := &dumper{
errOut: b,
}
exitCode := d.dump([]string{"", ""})
if exitCode != 1 {
t.Fatal("Should have returned an exit code of 1, failed")
}
if !strings.HasPrefix(b.String(), "Failed to open file") {
t.Fatal("Should have failed to open file, failed")
}
}
func TestFailedToParseFile(t *testing.T) {
b := &bytes.Buffer{}
d := &dumper{
errOut: b,
}
exitCode := d.dump([]string{"", filepath.Join("..", "..", "testdata", "mail", "erroneous.raw")})
if exitCode != 1 {
t.Fatal("Should have returned an exit code of 1, failed")
}
if !strings.HasPrefix(b.String(), "Failed to read envelope") {
t.Fatal("Should have failed to parse file, but couldn't find error message")
}
}
func TestSuccess(t *testing.T) {
b := &bytes.Buffer{}
s := &bytes.Buffer{}
d := &dumper{
errOut: b,
stdOut: s,
}
exitCode := d.dump([]string{"", filepath.Join("..", "..", "testdata", "mail", "attachment.raw")})
if exitCode != 0 {
t.Fatal("Should have returned an exit code of 0, failed")
}
if b.Len() > 0 {
t.Fatal("Should not have produced any errors, failed")
}
if !(s.Len() > 0) {
t.Fatal("Should have printed markdown document, failed")
}
}
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