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api_test.go
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api_test.go
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package actions
import (
"buffalo_test_examples/models"
"encoding/json"
"fmt"
"net/http"
"runtime"
"github.com/antonmedv/expr"
"github.com/gobuffalo/buffalo"
"github.com/gobuffalo/httptest"
)
func ln() string {
_, _, line, _ := runtime.Caller(1)
return fmt.Sprintf("line %d", line)
}
func (as *ActionSuite) Test_API() {
as.LoadFixture("base-data")
uid := func(email string) string {
return as.getUserDetails(email).ID.String()
}
tcases := []struct {
Name string
UserEmail string
Method string
URL string
RequestBody any
Status int
Location string
Assertions []string
}{
// Anon user
{ln(), "", "GET", "/users/" + uid("user1@example.com"), nil, http.StatusOK, "", []string{}},
{ln(), "", "GET", "/users/me", nil, http.StatusUnauthorized, "", []string{}},
{ln(), "", "POST", "/users/", &models.User{Email: "user99@example.com"}, http.StatusBadRequest, "", []string{`"current_user_id" not in session.Session.Values`}},
{ln(), "", "POST", "/users/", &models.User{Email: "user99@example.com", Password: "A", PasswordConfirmation: "A"}, 302, "/users/.+", []string{`"current_user_id" in session.Session.Values`}},
// // // Logged in user
{ln(), "user2@example.com", "GET", "/users/" + uid("user1@example.com"), nil, 200, "", []string{}},
{ln(), "user1@example.com", "GET", "/users/me", nil, 200, "", []string{`resp.Body.String() contains "user1"`}},
}
getResult := func(m, url string, body any) *httptest.JSONResponse {
j := as.JSON(url)
switch m {
case "POST":
return j.Post(body)
case "PUT":
return j.Put(body)
case "PATCH":
return j.Patch(body)
case "GET":
return j.Get()
case "DELETE":
return j.Delete()
}
panic("Unmapped method: " + m)
}
for _, tt := range tcases {
as.Run(tt.Name, func() {
_ = as.CleanDB()
as.LoadFixture("base-data")
as.Session.Clear()
var user = &models.User{}
if tt.UserEmail != "" {
as.setUserSession(tt.UserEmail)
user = as.getUserDetails(tt.UserEmail)
}
response := getResult(tt.Method, tt.URL, tt.RequestBody)
testDetails := printTestEnv(as, as.Session, response, tt.RequestBody, user)
as.NotNil(response, "%s", testDetails)
as.Equal(tt.Status, response.Code, "%s", testDetails)
as.Regexp("^"+tt.Location+"$", response.Location(), "%s", testDetails)
if response.Code != 204 && (response.Code < 300 || response.Code >= 400) {
as.Contains(response.HeaderMap.Get("Content-Type"), "application/json", testDetails)
}
env := map[string]any{
"session": as.Session,
"resp": response,
"respBody": response.Body.String(),
"body": tt.RequestBody,
"user": user,
}
for _, a := range tt.Assertions {
result, err := expr.Eval(a, env)
as.NoError(err, "%s", testDetails)
evaluation, ok := result.(bool)
as.True(ok, "assertion result not a boolean for \"%s\"\n%s", a, testDetails)
as.True(evaluation, "assertion failed: %s\n%s", a, testDetails)
}
})
}
}
func printTestEnv(as *ActionSuite, session *buffalo.Session, response *httptest.JSONResponse, requestBody any, user *models.User) string {
result := ""
{
result += "\nSession:\n ID: " + session.Session.ID + "\n Name: " + session.Session.Name() + "\n Values:\n"
for k, v := range session.Session.Values {
result += fmt.Sprintf(" %s: %s\n", k, v)
}
}
{
b, err := json.MarshalIndent(response, "", " ")
as.NoError(err)
result += "\nResponse:\n" + string(b)
}
{
b, err := json.MarshalIndent(requestBody, "", " ")
as.NoError(err)
result += "\nRequest Body:\n" + string(b)
}
{
result += "\nResponse Body:\n" + response.Body.String()
}
{
b, err := json.MarshalIndent(user, "", " ")
as.NoError(err)
result += "\nUser:\n" + string(b)
}
return result
}