Unit test MailboxList JSON output

web/rest_test.go

@@ -2,6 +2,8 @@ package web
 
 import (
 	"bytes"
+	"encoding/json"
+	"fmt"
 	"github.com/jhillyerd/go.enmime"
 	"github.com/jhillyerd/inbucket/config"
 	"github.com/jhillyerd/inbucket/smtpd"
@@ -16,13 +18,60 @@ import (
 	"time"
 )
 
-func TestRestMailboxList(t *testing.T) {
-	// Create Mock Objects
-	ds := &MockDataStore{}
-	emptybox := &MockMailbox{}
-	ds.On("MailboxFor", "empty").Return(emptybox, nil)
-	emptybox.On("GetMessages").Return([]smtpd.Message{}, nil)
+type OutputJsonHeader struct {
+	Mailbox, Id, From, Subject, Date string
+	Size                             int
+}
 
+type InputMessageData struct {
+	Mailbox, Id, From, Subject string
+	Date                       time.Time
+	Size                       int
+}
+
+func (d *InputMessageData) MockMessage() *MockMessage {
+	msg := &MockMessage{}
+	msg.On("Id").Return(d.Id)
+	msg.On("From").Return(d.From)
+	msg.On("Subject").Return(d.Subject)
+	msg.On("Date").Return(d.Date)
+	msg.On("Size").Return(d.Size)
+	return msg
+}
+
+func (d *InputMessageData) CompareToJson(j *OutputJsonHeader) (errors []string) {
+	if d.Mailbox != j.Mailbox {
+		errors = append(errors, fmt.Sprintf("Expected JSON.Mailbox=%q, got %q", d.Mailbox,
+			j.Mailbox))
+	}
+	if d.Id != j.Id {
+		errors = append(errors, fmt.Sprintf("Expected JSON.Id=%q, got %q", d.Id,
+			j.Id))
+	}
+	if d.From != j.From {
+		errors = append(errors, fmt.Sprintf("Expected JSON.From=%q, got %q", d.From,
+			j.From))
+	}
+	if d.Subject != j.Subject {
+		errors = append(errors, fmt.Sprintf("Expected JSON.Subject=%q, got %q", d.Subject,
+			j.Subject))
+	}
+	exDate := d.Date.Format("2006-01-02T15:04:05.999999999-07:00")
+	if exDate != j.Date {
+		errors = append(errors, fmt.Sprintf("Expected JSON.Date=%q, got %q", exDate,
+			j.Date))
+	}
+	if d.Size != j.Size {
+		errors = append(errors, fmt.Sprintf("Expected JSON.Size=%v, got %v", d.Size,
+			j.Size))
+	}
+
+	return errors
+}
+
+func TestRestMailboxList(t *testing.T) {
+	// Setup
+	ds := &MockDataStore{}
 	logbuf := setupWebServer(ds)
 
 	// Test invalid mailbox name
@@ -36,6 +85,10 @@ func TestRestMailboxList(t *testing.T) {
 	}
 
 	// Test empty mailbox
+	emptybox := &MockMailbox{}
+	ds.On("MailboxFor", "empty").Return(emptybox, nil)
+	emptybox.On("GetMessages").Return([]smtpd.Message{}, nil)
+
 	w, err = testRestGet("http://localhost/mailbox/empty")
 	expectCode = 200
 	if err != nil {
@@ -45,6 +98,89 @@ func TestRestMailboxList(t *testing.T) {
 		t.Errorf("Expected code %v, got %v", expectCode, w.Code)
 	}
 
+	// Test MailboxFor error
+	ds.On("MailboxFor", "error").Return(&MockMailbox{}, fmt.Errorf("Internal error"))
+	w, err = testRestGet("http://localhost/mailbox/error")
+	expectCode = 500
+	if err != nil {
+		t.Fatal(err)
+	}
+	if w.Code != expectCode {
+		t.Errorf("Expected code %v, got %v", expectCode, w.Code)
+	}
+
+	if t.Failed() {
+		// Wait for handler to finish logging
+		time.Sleep(2 * time.Second)
+		// Dump buffered log data if there was a failure
+		io.Copy(os.Stderr, logbuf)
+	}
+
+	// Test MailboxFor error
+	error2box := &MockMailbox{}
+	ds.On("MailboxFor", "error2").Return(error2box, nil)
+	error2box.On("GetMessages").Return([]smtpd.Message{}, fmt.Errorf("Internal error 2"))
+
+	w, err = testRestGet("http://localhost/mailbox/error2")
+	expectCode = 500
+	if err != nil {
+		t.Fatal(err)
+	}
+	if w.Code != expectCode {
+		t.Errorf("Expected code %v, got %v", expectCode, w.Code)
+	}
+
+	// Test JSON message headers
+	data1 := &InputMessageData{
+		Mailbox: "good",
+		Id:      "0001",
+		From:    "from1",
+		Subject: "subject 1",
+		Date:    time.Date(2012, 2, 1, 10, 11, 12, 253, time.FixedZone("PST", -800)),
+	}
+	data2 := &InputMessageData{
+		Mailbox: "good",
+		Id:      "0002",
+		From:    "from2",
+		Subject: "subject 2",
+		Date:    time.Date(2012, 7, 1, 10, 11, 12, 253, time.FixedZone("PDT", -700)),
+	}
+	goodbox := &MockMailbox{}
+	ds.On("MailboxFor", "good").Return(goodbox, nil)
+	msg1 := data1.MockMessage()
+	msg2 := data2.MockMessage()
+	goodbox.On("GetMessages").Return([]smtpd.Message{msg1, msg2}, nil)
+
+	// Check return code
+	w, err = testRestGet("http://localhost/mailbox/good")
+	expectCode = 200
+	if err != nil {
+		t.Fatal(err)
+	}
+	if w.Code != expectCode {
+		t.Fatalf("Expected code %v, got %v", expectCode, w.Code)
+	}
+
+	// Check JSON
+	dec := json.NewDecoder(w.Body)
+	var result []OutputJsonHeader
+	if err := dec.Decode(&result); err != nil {
+		t.Errorf("Failed to decode JSON: %v", err)
+	}
+	if len(result) != 2 {
+		t.Errorf("Expected 2 results, got %v", len(result))
+	}
+	if errors := data1.CompareToJson(&result[0]); len(errors) > 0 {
+		for _, e := range errors {
+			t.Error(e)
+		}
+	}
+	if errors := data2.CompareToJson(&result[1]); len(errors) > 0 {
+		for _, e := range errors {
+			t.Error(e)
+		}
+	}
+
 	if t.Failed() {
 		// Wait for handler to finish logging
 		time.Sleep(2 * time.Second)