tsk-19: Service login (#23)

Closes #19

Reviewed-on: phoenix/textsender-auth#23
Co-authored-by: phoenix <kundeng00@pm.me>
Co-committed-by: phoenix <kundeng00@pm.me>

internal/handler/service_test.go

@@ -7,10 +7,12 @@ import (
 	"strings"
 	"testing"
 
+	"git.kundeng.us/phoenix/textsender-models/pkg/user"
 	"github.com/stretchr/testify/assert"
 
 	"git.kundeng.us/phoenix/textsender-auth/internal/handler/endpoint"
 	"git.kundeng.us/phoenix/textsender-auth/internal/store/mock"
+	"git.kundeng.us/phoenix/textsender-auth/internal/utility"
 )
 
 func TestCreateServiceUserWithMock(t *testing.T) {
@@ -31,3 +33,38 @@ func TestCreateServiceUserWithMock(t *testing.T) {
 	err = json.Unmarshal(rr.Body.Bytes(), &response)
 	assert.NoError(t, err)
 }
+
+func TestLoginServiceUserWithMock(t *testing.T) {
+	var serviceUser user.ServiceUser
+	var hashedPassword string
+	var err error
+	unhashed := "9328nr29nudx3292m320!"
+	hashing := utility.HashMash{Password: unhashed}
+	if hashedPassword, err = hashing.HashPassword(); err != nil {
+		assert.NoError(t, err, "Error hashing password: %v", err)
+	} else {
+		serviceUser.Passphrase = hashedPassword
+	}
+	serviceUser.Username = "swoon"
+	ctx := t.Context()
+	mockStore := mock.NewMockServiceUserStore()
+
+	if err := mockStore.Create(ctx, &serviceUser); err != nil {
+		assert.NoError(t, err, "Error creating service user: %v", err)
+	}
+
+	handler := NewServiceHandler(mockStore)
+	testService := ServiceLoginRequest{Username: serviceUser.Username, Passphrase: unhashed}
+	jsonValue, err := json.Marshal(testService)
+	assert.NoError(t, err, "Error marshaling request")
+
+	req, _ := http.NewRequest("POST", endpoint.LoginServiceUser, strings.NewReader(string(jsonValue)))
+	rr := httptest.NewRecorder()
+
+	handler.Login(rr, req)
+	assert.Equal(t, http.StatusOK, rr.Code)
+
+	var response ServiceLoginResponse
+	err = json.Unmarshal(rr.Body.Bytes(), &response)
+	assert.NoError(t, err)
+}