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mpesa_test.go
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mpesa_test.go
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package mpesa
import (
"context"
"encoding/base64"
"encoding/json"
"fmt"
"github.com/stretchr/testify/require"
"io"
"net/http"
"os"
"path/filepath"
"strconv"
"strings"
"testing"
"time"
"github.com/stretchr/testify/assert"
)
const (
testConsumerKey = "W6vRBOiKRSYZpXABQjXf9W3+KR+tGWGKTrOpOhnfig"
testConsumerSecret = "MmE8/5EW3XXBIKg4qpDJ8g"
)
func TestMpesa_GenerateAccessToken(t *testing.T) {
ctx := context.Background()
tests := []struct {
name string
mock func(t *testing.T, app *Mpesa, c *mockHttpClient)
}{
{
name: "it generates and caches an access token successfully",
mock: func(t *testing.T, app *Mpesa, c *mockHttpClient) {
c.MockRequest(app.endpointAuth(), func() (status int, body string) {
return http.StatusOK, `
{
"access_token": "0A0v8OgxqqoocblflR58m9chMdnU",
"expires_in": "3599"
}`
})
token, err := app.GenerateAccessToken(ctx)
require.NoError(t, err)
require.NotEmpty(t, token)
require.Equal(t, token, app.cache[testConsumerKey].AccessToken)
// Make subsequent call to get the token from the cache
token, err = app.GenerateAccessToken(ctx)
require.NoError(t, err)
require.Equal(t, token, app.cache[testConsumerKey].AccessToken)
},
},
{
name: "it fails to generate an access token",
mock: func(t *testing.T, app *Mpesa, c *mockHttpClient) {
c.MockRequest(app.endpointAuth(), func() (status int, body string) {
return http.StatusBadRequest, ``
})
token, err := app.GenerateAccessToken(ctx)
require.NotNil(t, err)
require.Empty(t, token)
},
},
{
name: "it flushes and generates a new access token successfully",
mock: func(t *testing.T, app *Mpesa, c *mockHttpClient) {
oldToken := "0A0v8OgxqqoocblflR58m9chMdnU"
c.MockRequest(app.endpointAuth(), func() (status int, body string) {
return http.StatusOK, `
{
"access_token": "` + oldToken + `",
"expires_in": "3599"
}`
})
token, err := app.GenerateAccessToken(ctx)
require.NoError(t, err)
require.NotEmpty(t, token)
gotCachedData := app.cache[testConsumerKey]
require.Equal(t, token, gotCachedData.AccessToken)
// Alter the time the cache was set to simulate an expired cache
gotCachedData.setAt = time.Now().Add(-1 * time.Hour)
app.cache[testConsumerKey] = gotCachedData
c.MockRequest(app.endpointAuth(), func() (status int, body string) {
return http.StatusOK, `
{
"access_token": "R58m9chMdnU0A0v8Ogxqqoocblfl",
"expires_in": "3599"
}`
})
// Make subsequent call to get the token from the cache
token, err = app.GenerateAccessToken(ctx)
require.NoError(t, err)
require.Equal(t, token, app.cache[testConsumerKey].AccessToken)
require.NotEqual(t, oldToken, app.cache[testConsumerKey].AccessToken)
},
},
{
name: "it fails with 404 if invalid url is passed",
mock: func(t *testing.T, app *Mpesa, c *mockHttpClient) {
c.MockRequest(app.endpointSTK(), func() (status int, body string) {
return http.StatusNotFound, ``
})
token, err := app.GenerateAccessToken(ctx)
require.NotNil(t, err)
require.Empty(t, token)
},
},
}
for _, tc := range tests {
tc := tc
t.Run(tc.name, func(t *testing.T) {
t.Parallel()
var (
cl = newMockHttpClient()
app = NewApp(cl, testConsumerKey, testConsumerSecret, EnvironmentSandbox)
)
tc.mock(t, app, cl)
})
}
}
func TestMpesa_STKPush(t *testing.T) {
ctx := context.Background()
tests := []struct {
name string
stkReq STKPushRequest
mock func(t *testing.T, app *Mpesa, c *mockHttpClient, stkReq STKPushRequest)
}{
{
name: "it makes stk push request successfully",
stkReq: STKPushRequest{
BusinessShortCode: 174379,
TransactionType: "CustomerPayBillOnline",
Amount: 10,
PartyA: 254708374149,
PartyB: 174379,
PhoneNumber: 254708374149,
CallBackURL: "https://example.com",
AccountReference: "Test",
TransactionDesc: "Test",
},
mock: func(t *testing.T, app *Mpesa, c *mockHttpClient, stkReq STKPushRequest) {
passkey := "passkey"
c.MockRequest(app.endpointSTK(), func() (status int, body string) {
req := c.requests[1]
require.Equal(t, "application/json", req.Header.Get("Content-Type"))
wantAuthorizationHeader := `Bearer ` + app.cache[testConsumerKey].AccessToken
require.Equal(t, wantAuthorizationHeader, req.Header.Get("Authorization"))
var reqParams STKPushRequest
err := json.NewDecoder(req.Body).Decode(&reqParams)
require.NoError(t, err)
timestamp := time.Now().Format("20060102150405")
wantPassword := fmt.Sprintf("%d%s%s", stkReq.BusinessShortCode, passkey, timestamp)
gotPassword := make([]byte, base64.StdEncoding.DecodedLen(len(reqParams.Password)))
n, err := base64.StdEncoding.Decode(gotPassword, []byte(reqParams.Password))
require.NoError(t, err)
require.Equal(t, wantPassword, string(gotPassword[:n]))
return http.StatusOK, `
{
"MerchantRequestID": "29115-34620561-1",
"CheckoutRequestID": "ws_CO_191220191020363925",
"ResponseCode": "0",
"ResponseDescription": "Success. Request accepted for processing",
"CustomerMessage": "Success. Request accepted for processing"
}`
})
res, err := app.STKPush(ctx, passkey, stkReq)
require.NoError(t, err)
require.NotNil(t, res)
require.Contains(t, res.CustomerMessage, "Success. Request accepted for processing")
},
},
{
name: "request fails with an error code",
stkReq: STKPushRequest{
BusinessShortCode: 0,
TransactionType: "CustomerPayBillOnline",
Amount: 10,
PartyA: 254708374149,
PartyB: 174379,
PhoneNumber: 254708374149,
CallBackURL: "https://example.com",
AccountReference: "Test",
TransactionDesc: "Test",
},
mock: func(t *testing.T, app *Mpesa, c *mockHttpClient, stkReq STKPushRequest) {
passkey := "passkey"
c.MockRequest(app.endpointSTK(), func() (status int, body string) {
return http.StatusBadRequest, `
{
"requestId": "4788-81090592-4",
"errorCode": "400.002.02",
"errorMessage": "Bad Request - Invalid BusinessShortCode"
}`
})
res, err := app.STKPush(ctx, passkey, stkReq)
require.Error(t, err)
require.Nil(t, res)
},
},
}
for _, tc := range tests {
tc := tc
t.Run(tc.name, func(t *testing.T) {
t.Parallel()
var (
cl = newMockHttpClient()
app = NewApp(cl, testConsumerKey, testConsumerSecret, EnvironmentSandbox)
)
cl.MockRequest(app.endpointAuth(), func() (status int, body string) {
return http.StatusOK, `
{
"access_token": "0A0v8OgxqqoocblflR58m9chMdnU",
"expires_in": "3599"
}`
})
tc.mock(t, app, cl, tc.stkReq)
_, err := app.GenerateAccessToken(ctx)
require.NoError(t, err)
require.Len(t, cl.requests, 2)
})
}
}
func TestUnmarshalSTKPushCallback(t *testing.T) {
tests := []struct {
name string
input func(t *testing.T) io.Reader
}{
{
name: "it can unmarshal a successful transaction callback string",
input: func(_ *testing.T) io.Reader {
return strings.NewReader(`{
"Body":{
"stkCallback":{
"MerchantRequestID":"29115-34620561-1",
"CheckoutRequestID":"ws_CO_191220191020363925",
"ResultCode":0,
"ResultDesc":"The service request is processed successfully.",
"CallbackMetadata":{
"Item":[
{
"Name":"Amount",
"Value":1.00
},
{
"Name":"MpesaReceiptNumber",
"Value":"NLJ7RT61SV"
},
{
"Name":"TransactionDate",
"Value":20191219102115
},
{
"Name":"PhoneNumber",
"Value":254708374149
}
]
}
}
}
}`)
},
},
{
name: "it can unmarshal an unsuccessful transaction callback struct",
input: func(t *testing.T) io.Reader {
callback := STKPushCallback{
Body: STKPushCallbackBody{
STKCallback: STKCallback{
MerchantRequestID: "29115-34620561-1",
CheckoutRequestID: "ws_CO_191220191020363925",
ResultCode: 1032,
ResultDesc: "Request cancelled by user.",
},
},
}
b, err := json.Marshal(callback)
require.NoError(t, err)
return strings.NewReader(string(b))
},
},
}
for _, tc := range tests {
tc := tc
t.Run(tc.name, func(t *testing.T) {
t.Parallel()
callback, err := UnmarshalSTKPushCallback(tc.input(t))
require.NoError(t, err)
require.NotNil(t, callback)
require.Equal(t, "ws_CO_191220191020363925", callback.Body.STKCallback.CheckoutRequestID)
})
}
}
func TestMpesa_B2C(t *testing.T) {
var (
asserts = assert.New(t)
ctx = context.Background()
)
tests := []struct {
name string
b2cReq B2CRequest
env Environment
mock func(t *testing.T, app *Mpesa, c *mockHttpClient, b2cReq B2CRequest)
}{
{
name: "it makes a b2c request on sandbox successfully",
b2cReq: B2CRequest{
InitiatorName: "TestG2Init",
CommandID: "BusinessPayment",
Amount: 10,
PartyA: 600123,
PartyB: 254728762287,
Remarks: "This is a remark",
QueueTimeOutURL: "https://example.com",
ResultURL: "https://example.com",
Occasion: "Test Occasion",
},
env: EnvironmentSandbox,
mock: func(t *testing.T, app *Mpesa, c *mockHttpClient, b2cReq B2CRequest) {
c.MockRequest(app.endpointB2C(), func() (status int, body string) {
req := c.requests[1]
require.Equal(t, "application/json", req.Header.Get("Content-Type"))
wantAuthorizationHeader := `Bearer ` + app.cache[testConsumerKey].AccessToken
require.Equal(t, wantAuthorizationHeader, req.Header.Get("Authorization"))
var reqParams B2CRequest
err := json.NewDecoder(req.Body).Decode(&reqParams)
require.NoError(t, err)
asserts.NotEmpty(reqParams.SecurityCredential)
require.Equal(t, b2cReq.InitiatorName, reqParams.InitiatorName)
return http.StatusOK, `
{
"ConversationID": "AG_20191219_00005797af5d7d75f652",
"OriginatorConversationID": "16740-34861180-1",
"ResponseCode": "0",
"ResponseDescription": "Accept the service request successfully."
}`
})
res, err := app.B2C(ctx, "random-string", b2cReq)
require.NoError(t, err)
require.NotNil(t, res)
require.Contains(t, res.ResponseDescription, "Accept the service request successfully")
},
},
{
name: "it makes a b2c request on production successfully",
b2cReq: B2CRequest{
InitiatorName: "TestG2Init",
CommandID: "BusinessPayment",
Amount: 10,
PartyA: 600123,
PartyB: 254728762287,
Remarks: "This is a remark",
QueueTimeOutURL: "https://example.com",
ResultURL: "https://example.com",
Occasion: "Test Occasion",
},
env: EnvironmentProduction,
mock: func(t *testing.T, app *Mpesa, c *mockHttpClient, b2cReq B2CRequest) {
c.MockRequest(app.endpointB2C(), func() (status int, body string) {
req := c.requests[1]
var reqParams B2CRequest
err := json.NewDecoder(req.Body).Decode(&reqParams)
require.NoError(t, err)
asserts.NotEmpty(t, reqParams.SecurityCredential)
return http.StatusOK, `
{
"ConversationID": "AG_20191219_00005797af5d7d75f652",
"OriginatorConversationID": "16740-34861180-1",
"ResponseCode": "0",
"ResponseDescription": "Accept the service request successfully."
}`
})
res, err := app.B2C(ctx, "random-string", b2cReq)
require.NoError(t, err)
require.NotNil(t, res)
require.Contains(t, res.ResponseDescription, "Accept the service request successfully")
},
},
{
name: "request fails with an error code",
b2cReq: B2CRequest{
InitiatorName: "",
CommandID: "BusinessPayment",
Amount: 10,
PartyA: 600123,
PartyB: 254728762287,
Remarks: "This is a remark",
QueueTimeOutURL: "https://example.com",
ResultURL: "https://example.com",
Occasion: "Test Occasion",
},
env: EnvironmentProduction,
mock: func(t *testing.T, app *Mpesa, c *mockHttpClient, b2cReq B2CRequest) {
c.MockRequest(app.endpointB2C(), func() (status int, body string) {
return http.StatusBadRequest, `
{
"requestId": "11728-2929992-1",
"errorCode": "401.002.01",
"errorMessage": "Error Occurred - Invalid Access Token - BJGFGOXv5aZnw90KkA4TDtu4Xdyf"
}`
})
res, err := app.B2C(ctx, "random-string", b2cReq)
require.Error(t, err)
require.Contains(t, err.Error(), "Invalid Access Token")
require.Nil(t, res)
},
},
}
for _, tc := range tests {
tc := tc
t.Run(tc.name, func(t *testing.T) {
t.Parallel()
var (
cl = newMockHttpClient()
app = NewApp(cl, testConsumerKey, testConsumerSecret, tc.env)
)
cl.MockRequest(app.endpointAuth(), func() (status int, body string) {
return http.StatusOK, `
{
"access_token": "0A0v8OgxqqoocblflR58m9chMdnU",
"expires_in": "3599"
}`
})
tc.mock(t, app, cl, tc.b2cReq)
_, err := app.GenerateAccessToken(ctx)
require.NoError(t, err)
require.Len(t, cl.requests, 2)
})
}
}
func TestUnmarshalCallback(t *testing.T) {
tests := []struct {
name string
input func(t *testing.T) io.Reader
wantResultCode int
}{
{
name: "it can unmarshal a successful b2c callback string",
input: func(t *testing.T) io.Reader {
return strings.NewReader(`
{
"Result": {
"ResultType": 0,
"ResultCode": 0,
"ResultDesc": "The service request is processed successfully.",
"OriginatorConversationID": "10571-7910404-1",
"ConversationID": "AG_20191219_00004e48cf7e3533f581",
"TransactionID": "NLJ41HAY6Q",
"ResultParameters": {
"ResultParameter": [
{
"Key": "TransactionAmount",
"Value": 10
},
{
"Key": "TransactionReceipt",
"Value": "NLJ41HAY6Q"
},
{
"Key": "B2CRecipientIsRegisteredCustomer",
"Value": "Y"
},
{
"Key": "B2CChargesPaidAccountAvailableFunds",
"Value": -4510.00
},
{
"Key": "ReceiverPartyPublicName",
"Value": "254708374149 - John Doe"
},
{
"Key": "TransactionCompletedDateTime",
"Value": "19.12.2019 11:45:50"
},
{
"Key": "B2CUtilityAccountAvailableFunds",
"Value": 10116.00
},
{
"Key": "B2CWorkingAccountAvailableFunds",
"Value": 900000.00
}
]
},
"ReferenceData": {
"ReferenceItem": {
"Key": "QueueTimeoutURL",
"Value": "https:\/\/internalsandbox.safaricom.co.ke\/mpesa\/b2cresults\/v1\/submit"
}
}
}
}`)
},
wantResultCode: 0,
},
{
name: "it can unmarshal an unsuccessful request callback struct",
input: func(t *testing.T) io.Reader {
callback := Callback{
Result: CallbackResult{
ResultType: 0,
ResultCode: 2001,
ResultDesc: "The initiator information is invalid.",
OriginatorConversationID: "10571-7910404-1",
ConversationID: "AG_20191219_00004e48cf7e3533f581",
TransactionID: "NLJ41HAY6Q",
ReferenceData: ReferenceData{
ReferenceItem: ReferenceItem{
Key: "QueueTimeoutURL",
Value: "https:\\/\\/internalsandbox.safaricom.co.ke\\/mpesa\\/b2cresults\\/v1\\/submit",
},
},
},
}
b, err := json.Marshal(callback)
require.NoError(t, err)
return strings.NewReader(string(b))
},
wantResultCode: 2001,
},
{
name: "it can unmarshal a successfull account balance request callback",
input: func(t *testing.T) io.Reader {
return strings.NewReader(`
{
"Result": {
"ResultType": 0,
"ResultCode": 0,
"ResultDesc": "The service request is processed successfully.",
"OriginatorConversationID": "10571-7910404-1",
"ConversationID": "AG_20191219_00004e48cf7e3533f581",
"TransactionID": "SAO0000000",
"ResultParameters": {
"ResultParameter": [
{
"Key": "ActionType",
"Value": "AccountBalance"
},
{
"Key": "AccountBalance",
"Value": "Working Account|KES|0.00|0.00|0.00|0.00&Utility Account|KES|0.00|0.00|0.00|0.00&Charges Paid Account|KES|0.00|0.00|0.00|0.00&Organization Settlement Account|KES|0.00|0.00|0.00|0.00"
},
{
"Key": "BOCompletedTime",
"Value": 20240124163140
}
]
},
"ReferenceData": {
"ReferenceItem": {
"Key": "QueueTimeoutURL",
"Value": "https:\/\/internalapi.safaricom.co.ke\/mpesa\/abresults\/v1\/submit"
}
}
}
}`)
},
wantResultCode: 0,
},
}
for _, tc := range tests {
tc := tc
t.Run(tc.name, func(t *testing.T) {
callback, err := UnmarshalCallback(tc.input(t))
require.NoError(t, err)
require.NotNil(t, callback)
require.Equal(t, "AG_20191219_00004e48cf7e3533f581", callback.Result.ConversationID)
require.Equal(t, "10571-7910404-1", callback.Result.OriginatorConversationID)
require.Equal(t, "QueueTimeoutURL", callback.Result.ReferenceData.ReferenceItem.Key)
require.Equal(t, tc.wantResultCode, callback.Result.ResultCode)
})
}
}
func TestMpesa_STKPushQuery(t *testing.T) {
ctx := context.Background()
tests := []struct {
name string
mock func(t *testing.T, app *Mpesa, c *mockHttpClient, stkReq STKQueryRequest)
}{
{
name: "it makes an stk push query request successfully",
mock: func(t *testing.T, app *Mpesa, c *mockHttpClient, stkReq STKQueryRequest) {
passkey := "passkey"
c.MockRequest(app.endpointSTKQuery(), func() (status int, body string) {
req := c.requests[1]
require.Equal(t, "application/json", req.Header.Get("Content-Type"))
wantAuthorizationHeader := `Bearer ` + app.cache[testConsumerKey].AccessToken
require.Equal(t, wantAuthorizationHeader, req.Header.Get("Authorization"))
var reqParams STKQueryRequest
err := json.NewDecoder(req.Body).Decode(&reqParams)
require.NoError(t, err)
timestamp := time.Now().Format("20060102150405")
wantPassword := fmt.Sprintf("%d%s%s", stkReq.BusinessShortCode, passkey, timestamp)
gotPassword := make([]byte, base64.StdEncoding.DecodedLen(len(reqParams.Password)))
n, err := base64.StdEncoding.Decode(gotPassword, []byte(reqParams.Password))
require.NoError(t, err)
require.Equal(t, wantPassword, string(gotPassword[:n]))
return http.StatusOK, `
{
"ResponseCode": "0",
"MerchantRequestID": "8773-65037085-1",
"CheckoutRequestID": "ws_CO_03082022131319635708374149",
"ResultCode": "0",
"ResultDesc": "Success. Request accepted for processing",
"CustomerMessage": "Success. Request accepted for processing"
}`
})
res, err := app.STKQuery(ctx, passkey, stkReq)
require.NoError(t, err)
require.NotNil(t, res)
require.Contains(t, res.CustomerMessage, "Request accepted")
},
},
{
name: "the request fails if the transaction is being processed",
mock: func(t *testing.T, app *Mpesa, c *mockHttpClient, stkReq STKQueryRequest) {
passkey := "passkey"
c.MockRequest(app.endpointSTKQuery(), func() (status int, body string) {
return http.StatusInternalServerError, `
{
"RequestID": "ws_CO_03082022131319635708374149",
"ErrorCode": "500.001.1001",
"ErrorMessage": "The transaction is being processed"
}`
})
res, err := app.STKQuery(ctx, passkey, stkReq)
require.Error(t, err)
require.Contains(t, err.Error(), "code 500.001.1001: The transaction is being processed")
require.Nil(t, res)
},
},
}
for _, tc := range tests {
tc := tc
t.Run(tc.name, func(t *testing.T) {
t.Parallel()
cl := newMockHttpClient()
app := NewApp(cl, testConsumerKey, testConsumerSecret, EnvironmentSandbox)
cl.MockRequest(app.endpointAuth(), func() (status int, body string) {
return http.StatusOK, `
{
"access_token": "0A0v8OgxqqoocblflR58m9chMdnU",
"expires_in": "3599"
}`
})
_, err := app.GenerateAccessToken(ctx)
require.NoError(t, err)
tc.mock(t, app, cl, STKQueryRequest{
BusinessShortCode: 174379,
CheckoutRequestID: "ws_CO_03082022131319635708374149",
})
})
}
}
func Test_RegisterC2BURL(t *testing.T) {
ctx := context.Background()
tests := []struct {
name string
env Environment
mock func(t *testing.T, ctx context.Context, app *Mpesa, c *mockHttpClient, c2bRequest RegisterC2BURLRequest)
c2bRequest RegisterC2BURLRequest
}{
{
name: "it should register URLs in sanbox",
env: EnvironmentSandbox,
c2bRequest: RegisterC2BURLRequest{
ShortCode: 600638,
ResponseType: "Completed",
ValidationURL: "http://example.com/validate",
ConfirmationURL: "http://example.com/confirm",
},
mock: func(t *testing.T, ctx context.Context, app *Mpesa, c *mockHttpClient, c2bRequest RegisterC2BURLRequest) {
c.MockRequest(app.endpointC2BRegister(), func() (status int, body string) {
req := c.requests[1]
require.Equal(t, "application/json", req.Header.Get("Content-Type"))
wantAuthorizationHeader := `Bearer ` + app.cache[testConsumerKey].AccessToken
require.Equal(t, wantAuthorizationHeader, req.Header.Get("Authorization"))
var reqParams RegisterC2BURLRequest
err := json.NewDecoder(req.Body).Decode(&reqParams)
require.NoError(t, err)
return http.StatusOK, `
{
"OriginatorCoversationID": "7619-37765134-1",
"ResponseCode": "0",
"ResponseDescription": "success"
}`
})
res, err := app.RegisterC2BURL(ctx, c2bRequest)
require.NoError(t, err)
require.NotNil(t, res)
require.Equal(t, res.ResponseDescription, "success")
},
},
{
name: "it should register URLs in production",
env: EnvironmentProduction,
c2bRequest: RegisterC2BURLRequest{
ShortCode: 200200,
ResponseType: "Canceled",
ValidationURL: "http://example.com/validate",
ConfirmationURL: "http://example.com/confirm",
},
mock: func(t *testing.T, ctx context.Context, app *Mpesa, c *mockHttpClient, c2bRequest RegisterC2BURLRequest) {
c.MockRequest(app.endpointC2BRegister(), func() (status int, body string) {
req := c.requests[1]
require.Equal(t, "application/json", req.Header.Get("Content-Type"))
wantAuthorizationHeader := `Bearer ` + app.cache[testConsumerKey].AccessToken
require.Equal(t, wantAuthorizationHeader, req.Header.Get("Authorization"))
var reqParams RegisterC2BURLRequest
err := json.NewDecoder(req.Body).Decode(&reqParams)
require.NoError(t, err)
return http.StatusOK, `
{
"OriginatorCoversationID": "7619-37765134-1",
"ResponseCode": "0",
"ResponseDescription": "success"
}`
})
res, err := app.RegisterC2BURL(ctx, c2bRequest)
require.NoError(t, err)
require.NotNil(t, res)
require.Equal(t, res.ResponseDescription, "success")
},
},
{
name: "fail with invalid response type",
c2bRequest: RegisterC2BURLRequest{
ResponseType: "Foo",
},
mock: func(t *testing.T, ctx context.Context, app *Mpesa, c *mockHttpClient, c2bRequest RegisterC2BURLRequest) {
res, err := app.RegisterC2BURL(ctx, c2bRequest)
require.Error(t, err)
require.Equal(t, err.Error(), "mpesa: the provided ResponseType [Foo] is not valid")
require.Nil(t, res)
},
},
}
for _, tc := range tests {
tc := tc
t.Run(tc.name, func(t *testing.T) {
t.Parallel()
var (
client = newMockHttpClient()
app = NewApp(client, testConsumerKey, testConsumerSecret, tc.env)
)
client.MockRequest(app.endpointAuth(), func() (status int, body string) {
return http.StatusOK, `
{
"access_token": "0A0v8OgxqqoocblflR58m9chMdnU",
"expires_in": "3599"
}`
})
tc.mock(t, ctx, app, client, tc.c2bRequest)
})
}
}
func TestMpesa_DynamicQR(t *testing.T) {
var (
ctx = context.Background()
asserts = assert.New(t)
)
tests := []struct {
name string
mock func(app *Mpesa, c *mockHttpClient, qrReq DynamicQRRequest)
}{
{
name: "it makes a request and generates a qr code",
mock: func(app *Mpesa, c *mockHttpClient, qrReq DynamicQRRequest) {
c.MockRequest(app.endpointDynamicQR(), func() (status int, body string) {
req := c.requests[1]
require.Equal(t, "application/json", req.Header.Get("Content-Type"))
wantAuthorizationHeader := `Bearer ` + app.cache[testConsumerKey].AccessToken
require.Equal(t, wantAuthorizationHeader, req.Header.Get("Authorization"))
return http.StatusOK, `
{
"ResponseCode": "00",
"ResponseDescription": "The service request is processed successfully.",
"QRCode": "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"
}`
})
resp, err := app.DynamicQR(ctx, qrReq, PayMerchantBuyGoods, false)
require.NoError(t, err)
require.NotNil(t, resp)
require.Equal(t, "00", resp.ResponseCode)
},
},
{
name: "it makes a request and generates a qr code with the decode image",
mock: func(app *Mpesa, c *mockHttpClient, qrReq DynamicQRRequest) {
c.MockRequest(app.endpointDynamicQR(), func() (status int, body string) {
req := c.requests[1]
require.Equal(t, "application/json", req.Header.Get("Content-Type"))
wantAuthorizationHeader := `Bearer ` + app.cache[testConsumerKey].AccessToken
require.Equal(t, wantAuthorizationHeader, req.Header.Get("Authorization"))
return http.StatusOK, `
{
"ResponseCode": "00",
"ResponseDescription": "The service request is processed successfully.",
"QRCode": "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"
}`
})
resp, err := app.DynamicQR(ctx, qrReq, PayMerchantBuyGoods, true)
require.NoError(t, err)
require.NotNil(t, resp)
defer func() {
err = os.Remove(resp.ImagePath)
require.NoError(t, err)
}()
require.Equal(t, "00", resp.ResponseCode)
asserts.NotEmpty(resp.ImagePath)
wd, err := os.Getwd()
require.NoError(t, err)
imagesDir := filepath.Join(wd, "storage", "images")
amountStr := strconv.Itoa(int(qrReq.Amount))
wantFilename := qrReq.MerchantName + "_" + amountStr + "_" + qrReq.CreditPartyIdentifier + ".png"
wantFilename = imagesDir + "/" + strings.ReplaceAll(wantFilename, " ", "_")
require.Equal(t, wantFilename, resp.ImagePath)
_, err = os.Stat(resp.ImagePath)
require.NoError(t, err)
},
},
{
name: "request fails if an invalid trasaction type is passed",
mock: func(app *Mpesa, c *mockHttpClient, qrReq DynamicQRRequest) {
c.MockRequest(app.endpointDynamicQR(), func() (status int, body string) {
req := c.requests[1]
require.Equal(t, "application/json", req.Header.Get("Content-Type"))
wantAuthorizationHeader := `Bearer ` + app.cache[testConsumerKey].AccessToken
require.Equal(t, wantAuthorizationHeader, req.Header.Get("Authorization"))
return http.StatusBadRequest, `
{
"requestId": "42579-78118541-4",
"errorCode": "400",
"errorMessage": "Bad Request - Invalid TrxCode"
}`
})
resp, err := app.DynamicQR(ctx, qrReq, "PayMerchantBuyGoods", true)
require.Error(t, err)
require.Nil(t, resp)
},
},
}
for _, tc := range tests {
tc := tc
t.Run(tc.name, func(t *testing.T) {
t.Parallel()
var (
cl = newMockHttpClient()
app = NewApp(cl, testConsumerKey, testConsumerSecret, EnvironmentSandbox)
)
cl.MockRequest(app.endpointAuth(), func() (status int, body string) {
return http.StatusOK, `
{
"access_token": "0A0v8OgxqqoocblflR58m9chMdnU",
"expires_in": "3599"
}`
})
_, err := app.GenerateAccessToken(ctx)
require.NoError(t, err)
tc.mock(app, cl, DynamicQRRequest{
Amount: 10,
CreditPartyIdentifier: "111222",
MerchantName: "jwambugu",
ReferenceNo: "NULLABLE",
Size: "500",
})
})
}
}
func TestMpesa_GetTransactionStatus(t *testing.T) {
var (
ctx = context.Background()
initatorPassword = "random-string"
)
tests := []struct {
name string
txnStatusReq TransactionStatusRequest
env Environment
mock func(t *testing.T, app *Mpesa, c *mockHttpClient, txnStatusReq TransactionStatusRequest)
requestsCount int
}{
{
name: "it generates valid security credentials and makes the request successfully on sandbox",
env: EnvironmentSandbox,
txnStatusReq: TransactionStatusRequest{
Initiator: "testapi",
Occasion: "Test",
PartyA: 600426,
QueueTimeOutURL: "https://example.com/",
Remarks: "Test remarks",
ResultURL: "https://example.com/",
TransactionID: "SAM62HFIRW",
},