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messages_test.go
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package mailgun
import (
"context"
"fmt"
"io/ioutil"
"net/http"
"net/http/httptest"
"os"
"strings"
"testing"
"time"
"github.com/facebookgo/ensure"
)
const (
fromUser = "=?utf-8?q?Katie_Brewer=2C_CFP=C2=AE?= <[email protected]>"
exampleSubject = "Mailgun-go Example Subject"
exampleText = "Testing some Mailgun awesomeness!"
exampleHtml = "<html><head /><body><p>Testing some <a href=\"http://google.com?q=abc&r=def&s=ghi\">Mailgun HTML awesomeness!</a> at [email protected]</p></body></html>"
exampleAMPHtml = `<!doctype html><html ⚡4email><head><meta charset="utf-8"><script async src="https://cdn.ampproject.org/v0.js"></script><style amp4email-boilerplate>body{visibility:hidden}</style><style amp-custom>h1{margin: 1rem;}</style></head><body><h1>Hello, I am an AMP EMAIL!</h1></body></html>`
exampleMime = `Content-Type: text/plain; charset="ascii"
Subject: Joe's Example Subject
From: Joe Example <[email protected]>
To: BARGLEGARF <[email protected]>
Content-Transfer-Encoding: 7bit
Date: Thu, 6 Mar 2014 00:37:52 +0000
Testing some Mailgun MIME awesomeness!
`
templateText = "Greetings %recipient.name%! Your reserved seat is at table %recipient.table%."
exampleDomain = "testDomain"
exampleAPIKey = "testAPIKey"
)
func TestSendMGPlain(t *testing.T) {
if reason := SkipNetworkTest(); reason != "" {
t.Skip(reason)
}
spendMoney(t, func() {
toUser := os.Getenv("MG_EMAIL_TO")
mg, err := NewMailgunFromEnv()
ensure.Nil(t, err)
ctx := context.Background()
m := mg.NewMessage(fromUser, exampleSubject, exampleText, toUser)
msg, id, err := mg.Send(ctx, m)
ensure.Nil(t, err)
t.Log("TestSendPlain:MSG(" + msg + "),ID(" + id + ")")
})
}
func TestSendMGPlainWithTracking(t *testing.T) {
if reason := SkipNetworkTest(); reason != "" {
t.Skip(reason)
}
spendMoney(t, func() {
toUser := os.Getenv("MG_EMAIL_TO")
mg, err := NewMailgunFromEnv()
ensure.Nil(t, err)
ctx := context.Background()
m := mg.NewMessage(fromUser, exampleSubject, exampleText, toUser)
m.SetTracking(true)
msg, id, err := mg.Send(ctx, m)
ensure.Nil(t, err)
t.Log("TestSendPlainWithTracking:MSG(" + msg + "),ID(" + id + ")")
})
}
func TestSendMGPlainAt(t *testing.T) {
if reason := SkipNetworkTest(); reason != "" {
t.Skip(reason)
}
spendMoney(t, func() {
toUser := os.Getenv("MG_EMAIL_TO")
mg, err := NewMailgunFromEnv()
ensure.Nil(t, err)
ctx := context.Background()
m := mg.NewMessage(fromUser, exampleSubject, exampleText, toUser)
m.SetDeliveryTime(time.Now().Add(5 * time.Minute))
msg, id, err := mg.Send(ctx, m)
ensure.Nil(t, err)
t.Log("TestSendPlainAt:MSG(" + msg + "),ID(" + id + ")")
})
}
func TestSendMGHtml(t *testing.T) {
if reason := SkipNetworkTest(); reason != "" {
t.Skip(reason)
}
spendMoney(t, func() {
toUser := os.Getenv("MG_EMAIL_TO")
mg, err := NewMailgunFromEnv()
ensure.Nil(t, err)
ctx := context.Background()
m := mg.NewMessage(fromUser, exampleSubject, exampleText, toUser)
m.SetHtml(exampleHtml)
msg, id, err := mg.Send(ctx, m)
ensure.Nil(t, err)
t.Log("TestSendHtml:MSG(" + msg + "),ID(" + id + ")")
})
}
func TestSendMGAMPHtml(t *testing.T) {
if reason := SkipNetworkTest(); reason != "" {
t.Skip(reason)
}
spendMoney(t, func() {
toUser := os.Getenv("MG_EMAIL_TO")
mg, err := NewMailgunFromEnv()
ensure.Nil(t, err)
ctx := context.Background()
m := mg.NewMessage(fromUser, exampleSubject, exampleText, toUser)
m.SetHtml(exampleHtml)
m.SetAMPHtml(exampleAMPHtml)
msg, id, err := mg.Send(ctx, m)
ensure.Nil(t, err)
t.Log("TestSendHtml:MSG(" + msg + "),ID(" + id + ")")
})
}
func TestSendMGTracking(t *testing.T) {
if reason := SkipNetworkTest(); reason != "" {
t.Skip(reason)
}
spendMoney(t, func() {
toUser := os.Getenv("MG_EMAIL_TO")
mg, err := NewMailgunFromEnv()
ensure.Nil(t, err)
ctx := context.Background()
m := mg.NewMessage(fromUser, exampleSubject, exampleText+"Tracking!\n", toUser)
m.SetTracking(false)
msg, id, err := mg.Send(ctx, m)
ensure.Nil(t, err)
t.Log("TestSendTracking:MSG(" + msg + "),ID(" + id + ")")
})
}
func TestSendMGTag(t *testing.T) {
if reason := SkipNetworkTest(); reason != "" {
t.Skip(reason)
}
spendMoney(t, func() {
toUser := os.Getenv("MG_EMAIL_TO")
mg, err := NewMailgunFromEnv()
ensure.Nil(t, err)
ctx := context.Background()
m := mg.NewMessage(fromUser, exampleSubject, exampleText+"Tags Galore!\n", toUser)
m.AddTag("FooTag")
m.AddTag("BarTag")
m.AddTag("BlortTag")
msg, id, err := mg.Send(ctx, m)
ensure.Nil(t, err)
t.Log("TestSendTag:MSG(" + msg + "),ID(" + id + ")")
})
}
func TestSendMGMIME(t *testing.T) {
if reason := SkipNetworkTest(); reason != "" {
t.Skip(reason)
}
spendMoney(t, func() {
toUser := os.Getenv("MG_EMAIL_TO")
mg, err := NewMailgunFromEnv()
ensure.Nil(t, err)
ctx := context.Background()
m := mg.NewMIMEMessage(ioutil.NopCloser(strings.NewReader(exampleMime)), toUser)
msg, id, err := mg.Send(ctx, m)
ensure.Nil(t, err)
t.Log("TestSendMIME:MSG(" + msg + "),ID(" + id + ")")
})
}
func TestSendMGBatchFailRecipients(t *testing.T) {
if reason := SkipNetworkTest(); reason != "" {
t.Skip(reason)
}
spendMoney(t, func() {
toUser := os.Getenv("MG_EMAIL_TO")
mg, err := NewMailgunFromEnv()
ensure.Nil(t, err)
m := mg.NewMessage(fromUser, exampleSubject, exampleText+"Batch\n")
for i := 0; i < MaxNumberOfRecipients; i++ {
m.AddRecipient("") // We expect this to indicate a failure at the API
}
err = m.AddRecipientAndVariables(toUser, nil)
// In case of error the SDK didn't send the message,
// OR the API didn't check for empty To: headers.
ensure.NotNil(t, err)
})
}
func TestSendMGBatchRecipientVariables(t *testing.T) {
if reason := SkipNetworkTest(); reason != "" {
t.Skip(reason)
}
spendMoney(t, func() {
toUser := os.Getenv("MG_EMAIL_TO")
mg, err := NewMailgunFromEnv()
ensure.Nil(t, err)
ctx := context.Background()
m := mg.NewMessage(fromUser, exampleSubject, templateText)
err = m.AddRecipientAndVariables(toUser, map[string]interface{}{
"name": "Joe Cool Example",
"table": 42,
})
ensure.Nil(t, err)
_, _, err = mg.Send(ctx, m)
ensure.Nil(t, err)
})
}
func TestSendMGOffline(t *testing.T) {
const (
exampleDomain = "testDomain"
exampleAPIKey = "testAPIKey"
toUser = "[email protected]"
exampleMessage = "Queue. Thank you"
exampleID = "<[email protected]>"
)
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
ensure.DeepEqual(t, req.Method, http.MethodPost)
ensure.DeepEqual(t, req.URL.Path, fmt.Sprintf("/v3/%s/messages", exampleDomain))
ensure.DeepEqual(t, req.FormValue("from"), fromUser)
ensure.DeepEqual(t, req.FormValue("subject"), exampleSubject)
ensure.DeepEqual(t, req.FormValue("text"), exampleText)
ensure.DeepEqual(t, req.FormValue("to"), toUser)
rsp := fmt.Sprintf(`{"message":"%s", "id":"%s"}`, exampleMessage, exampleID)
fmt.Fprint(w, rsp)
}))
defer srv.Close()
mg := NewMailgun(exampleDomain, exampleAPIKey)
mg.SetAPIBase(srv.URL + "/v3")
ctx := context.Background()
m := mg.NewMessage(fromUser, exampleSubject, exampleText, toUser)
msg, id, err := mg.Send(ctx, m)
ensure.Nil(t, err)
ensure.DeepEqual(t, msg, exampleMessage)
ensure.DeepEqual(t, id, exampleID)
}
func TestSendMGSeparateDomain(t *testing.T) {
const (
exampleDomain = "testDomain"
signingDomain = "signingDomain"
exampleAPIKey = "testAPIKey"
toUser = "[email protected]"
exampleMessage = "Queue. Thank you"
exampleID = "<[email protected]>"
)
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
ensure.DeepEqual(t, req.Method, http.MethodPost)
ensure.DeepEqual(t, req.URL.Path, fmt.Sprintf("/v3/%s/messages", signingDomain))
ensure.DeepEqual(t, req.FormValue("from"), fromUser)
ensure.DeepEqual(t, req.FormValue("subject"), exampleSubject)
ensure.DeepEqual(t, req.FormValue("text"), exampleText)
ensure.DeepEqual(t, req.FormValue("to"), toUser)
rsp := fmt.Sprintf(`{"message":"%s", "id":"%s"}`, exampleMessage, exampleID)
fmt.Fprint(w, rsp)
}))
defer srv.Close()
mg := NewMailgun(exampleDomain, exampleAPIKey)
mg.SetAPIBase(srv.URL + "/v3")
ctx := context.Background()
m := mg.NewMessage(fromUser, exampleSubject, exampleText, toUser)
m.AddDomain(signingDomain)
msg, id, err := mg.Send(ctx, m)
ensure.Nil(t, err)
ensure.DeepEqual(t, msg, exampleMessage)
ensure.DeepEqual(t, id, exampleID)
}
func TestSendMGMessageVariables(t *testing.T) {
const (
exampleDomain = "testDomain"
exampleAPIKey = "testAPIKey"
toUser = "[email protected]"
exampleMessage = "Queue. Thank you"
exampleID = "<[email protected]>"
exampleStrVarKey = "test-str-key"
exampleStrVarVal = "test-str-val"
exampleBoolVarKey = "test-bool-key"
exampleBoolVarVal = "false"
exampleMapVarKey = "test-map-key"
exampleMapVarStrVal = `{"test":"123"}`
exampleTemplateStrVal = `{"templateVariable":{"key":{"nested":"yes","status":"test"}}}`
)
var (
exampleMapVarVal = map[string]string{"test": "123"}
exampleTemplateVariable = map[string]interface{}{
"key": map[string]string{
"nested": "yes",
"status": "test",
},
}
)
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
ensure.DeepEqual(t, req.Method, http.MethodPost)
ensure.DeepEqual(t, req.URL.Path, fmt.Sprintf("/v3/%s/messages", exampleDomain))
ensure.DeepEqual(t, req.FormValue("from"), fromUser)
ensure.DeepEqual(t, req.FormValue("subject"), exampleSubject)
ensure.DeepEqual(t, req.FormValue("text"), exampleText)
ensure.DeepEqual(t, req.FormValue("to"), toUser)
ensure.DeepEqual(t, req.FormValue("v:"+exampleMapVarKey), exampleMapVarStrVal)
ensure.DeepEqual(t, req.FormValue("v:"+exampleBoolVarKey), exampleBoolVarVal)
ensure.DeepEqual(t, req.FormValue("v:"+exampleStrVarKey), exampleStrVarVal)
ensure.DeepEqual(t, req.FormValue("h:X-Mailgun-Variables"), exampleTemplateStrVal)
rsp := fmt.Sprintf(`{"message":"%s", "id":"%s"}`, exampleMessage, exampleID)
fmt.Fprint(w, rsp)
}))
defer srv.Close()
mg := NewMailgun(exampleDomain, exampleAPIKey)
mg.SetAPIBase(srv.URL + "/v3")
m := mg.NewMessage(fromUser, exampleSubject, exampleText, toUser)
m.AddVariable(exampleStrVarKey, exampleStrVarVal)
m.AddVariable(exampleBoolVarKey, false)
m.AddVariable(exampleMapVarKey, exampleMapVarVal)
m.AddTemplateVariable("templateVariable", exampleTemplateVariable)
msg, id, err := mg.Send(context.Background(), m)
ensure.Nil(t, err)
ensure.DeepEqual(t, msg, exampleMessage)
ensure.DeepEqual(t, id, exampleID)
}
func TestAddRecipientsError(t *testing.T) {
mg := NewMailgun(exampleDomain, exampleAPIKey)
m := mg.NewMessage(fromUser, exampleSubject, exampleText)
for i := 0; i < 1000; i++ {
recipient := fmt.Sprintf("recipient_%[email protected]", i)
ensure.Nil(t, m.AddRecipient(recipient))
}
err := m.AddRecipient("[email protected]")
ensure.NotNil(t, err)
ensure.DeepEqual(t, err.Error(), "recipient limit exceeded (max 1000)")
}
func TestAddRecipientAndVariablesError(t *testing.T) {
var err error
mg := NewMailgun(exampleDomain, exampleAPIKey)
m := mg.NewMessage(fromUser, exampleSubject, exampleText)
for i := 0; i < 1000; i++ {
recipient := fmt.Sprintf("recipient_%[email protected]", i)
err = m.AddRecipientAndVariables(recipient, map[string]interface{}{"id": i})
ensure.Nil(t, err)
}
err = m.AddRecipientAndVariables("[email protected]", map[string]interface{}{"id": 1001})
ensure.DeepEqual(t, err.Error(), "recipient limit exceeded (max 1000)")
}
func TestSendEOFError(t *testing.T) {
const (
exampleDomain = "testDomain"
exampleAPIKey = "testAPIKey"
toUser = "[email protected]"
)
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
panic("")
return
}))
defer srv.Close()
mg := NewMailgun(exampleDomain, exampleAPIKey)
mg.SetAPIBase(srv.URL + "/v3")
m := mg.NewMessage(fromUser, exampleSubject, exampleText, toUser)
_, _, err := mg.Send(context.Background(), m)
ensure.NotNil(t, err)
ensure.StringContains(t, err.Error(), "remote server prematurely closed connection: Post ")
ensure.StringContains(t, err.Error(), "/messages: EOF")
}
func TestHasRecipient(t *testing.T) {
const (
exampleDomain = "testDomain"
exampleAPIKey = "testAPIKey"
recipient = "[email protected]"
)
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
ensure.DeepEqual(t, req.Method, http.MethodPost)
ensure.DeepEqual(t, req.URL.Path, fmt.Sprintf("/v3/%s/messages", exampleDomain))
fmt.Fprint(w, `{"message":"Queued, Thank you", "id":"<[email protected]>"}`)
}))
defer srv.Close()
mg := NewMailgun(exampleDomain, exampleAPIKey)
mg.SetAPIBase(srv.URL + "/v3")
// No recipient
m := mg.NewMessage(fromUser, exampleSubject, exampleText)
_, _, err := mg.Send(context.Background(), m)
ensure.NotNil(t, err)
ensure.DeepEqual(t, err.Error(), "message not valid")
// Provided Bcc
m = mg.NewMessage(fromUser, exampleSubject, exampleText)
m.AddBCC(recipient)
_, _, err = mg.Send(context.Background(), m)
ensure.Nil(t, err)
// Provided cc
m = mg.NewMessage(fromUser, exampleSubject, exampleText)
m.AddCC(recipient)
_, _, err = mg.Send(context.Background(), m)
ensure.Nil(t, err)
}
func TestResendStored(t *testing.T) {
const (
exampleDomain = "testDomain"
exampleAPIKey = "testAPIKey"
toUser = "[email protected]"
exampleMessage = "Queue. Thank you"
exampleID = "<[email protected]>"
)
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
ensure.DeepEqual(t, req.Method, http.MethodPost)
ensure.DeepEqual(t, req.URL.Path, "/v3/some-url")
ensure.DeepEqual(t, req.FormValue("to"), toUser)
rsp := fmt.Sprintf(`{"message":"%s", "id":"%s"}`, exampleMessage, exampleID)
fmt.Fprint(w, rsp)
}))
defer srv.Close()
mg := NewMailgun(exampleDomain, exampleAPIKey)
mg.SetAPIBase(srv.URL + "/v3")
msg, id, err := mg.ReSend(context.Background(), srv.URL+"/v3/some-url")
ensure.NotNil(t, err)
ensure.DeepEqual(t, err.Error(), "must provide at least one recipient")
msg, id, err = mg.ReSend(context.Background(), srv.URL+"/v3/some-url", toUser)
ensure.Nil(t, err)
ensure.DeepEqual(t, msg, exampleMessage)
ensure.DeepEqual(t, id, exampleID)
}
func TestSendTLSOptions(t *testing.T) {
const (
exampleDomain = "testDomain"
exampleAPIKey = "testAPIKey"
toUser = "[email protected]"
exampleMessage = "Queue. Thank you"
exampleID = "<[email protected]>"
)
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
ensure.DeepEqual(t, req.Method, http.MethodPost)
ensure.DeepEqual(t, req.URL.Path, fmt.Sprintf("/v3/%s/messages", exampleDomain))
ensure.DeepEqual(t, req.FormValue("from"), fromUser)
ensure.DeepEqual(t, req.FormValue("subject"), exampleSubject)
ensure.DeepEqual(t, req.FormValue("text"), exampleText)
ensure.DeepEqual(t, req.FormValue("to"), toUser)
ensure.DeepEqual(t, req.FormValue("o:require-tls"), "true")
ensure.DeepEqual(t, req.FormValue("o:skip-verification"), "true")
rsp := fmt.Sprintf(`{"message":"%s", "id":"%s"}`, exampleMessage, exampleID)
fmt.Fprint(w, rsp)
}))
defer srv.Close()
mg := NewMailgun(exampleDomain, exampleAPIKey)
mg.SetAPIBase(srv.URL + "/v3")
ctx := context.Background()
m := mg.NewMessage(fromUser, exampleSubject, exampleText, toUser)
m.SetRequireTLS(true)
m.SetSkipVerification(true)
msg, id, err := mg.Send(ctx, m)
ensure.Nil(t, err)
ensure.DeepEqual(t, msg, exampleMessage)
ensure.DeepEqual(t, id, exampleID)
}
func TestSendTemplate(t *testing.T) {
const (
exampleDomain = "testDomain"
exampleAPIKey = "testAPIKey"
toUser = "[email protected]"
exampleMessage = "Queue. Thank you"
exampleID = "<[email protected]>"
templateName = "my-template"
)
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
ensure.DeepEqual(t, req.FormValue("template"), templateName)
rsp := fmt.Sprintf(`{"message":"%s", "id":"%s"}`, exampleMessage, exampleID)
fmt.Fprint(w, rsp)
}))
defer srv.Close()
mg := NewMailgun(exampleDomain, exampleAPIKey)
mg.SetAPIBase(srv.URL + "/v3")
ctx := context.Background()
m := mg.NewMessage(fromUser, exampleSubject, "", toUser)
m.SetTemplate(templateName)
msg, id, err := mg.Send(ctx, m)
ensure.Nil(t, err)
ensure.DeepEqual(t, msg, exampleMessage)
ensure.DeepEqual(t, id, exampleID)
}