package assert
import (
"fmt"
"net/http"
"net/http/httptest"
"net/url"
"strings"
)
// httpCode is a helper that returns HTTP code of the response. It returns -1 and
// an error if building a new request fails.
func httpCode(handler http.HandlerFunc, method, url string, values url.Values) (int, error) {
w := httptest.NewRecorder()
req, err := http.NewRequest(method, url, nil)
if err != nil {
return -1, err
}
req.URL.RawQuery = values.Encode()
handler(w, req)
return w.Code, nil
}
// HTTPSuccess asserts that a specified handler returns a success status code.
//
// assert.HTTPSuccess(t, myHandler, "POST", "http://www.google.com", nil)
//
// Returns whether the assertion was successful (true) or not (false).
func HTTPSuccess(t TestingT, handler http.HandlerFunc, method, url string, values url.Values, msgAndArgs ...interface{}) bool {
if h, ok := t.(tHelper); ok {
h.Helper()
}
code, err := httpCode(handler, method, url, values)
if err != nil {
Fail(t, fmt.Sprintf("Failed to build test request, got error: %s", err))
return false
}
isSuccessCode := code >= http.StatusOK && code <= http.StatusPartialContent
if !isSuccessCode {
Fail(t, fmt.Sprintf("Expected HTTP success status code for %q but received %d", url+"?"+values.Encode(), code))
}
return isSuccessCode
}
// HTTPRedirect asserts that a specified handler returns a redirect status code.
//
// assert.HTTPRedirect(t, myHandler, "GET", "/a/b/c", url.Values{"a": []string{"b", "c"}}
//
// Returns whether the assertion was successful (true) or not (false).
func HTTPRedirect(t TestingT, handler http.HandlerFunc, method, url string, values url.Values, msgAndArgs ...interface{}) bool {
if h, ok := t.(tHelper); ok {
h.Helper()
}
code, err := httpCode(handler, method, url, values)
if err != nil {
Fail(t, fmt.Sprintf("Failed to build test request, got error: %s", err))
return false
}
isRedirectCode := code >= http.StatusMultipleChoices && code <= http.StatusTemporaryRedirect
if !isRedirectCode {
Fail(t, fmt.Sprintf("Expected HTTP redirect status code for %q but received %d", url+"?"+values.Encode(), code))
}
return isRedirectCode
}
// HTTPError asserts that a specified handler returns an error status code.
//
// assert.HTTPError(t, myHandler, "POST", "/a/b/c", url.Values{"a": []string{"b", "c"}}
//
// Returns whether the assertion was successful (true) or not (false).
func HTTPError(t TestingT, handler http.HandlerFunc, method, url string, values url.Values, msgAndArgs ...interface{}) bool {
if h, ok := t.(tHelper); ok {
h.Helper()
}
code, err := httpCode(handler, method, url, values)
if err != nil {
Fail(t, fmt.Sprintf("Failed to build test request, got error: %s", err))
return false
}
isErrorCode := code >= http.StatusBadRequest
if !isErrorCode {
Fail(t, fmt.Sprintf("Expected HTTP error status code for %q but received %d", url+"?"+values.Encode(), code))
}
return isErrorCode
}
// HTTPBody is a helper that returns HTTP body of the response. It returns
// empty string if building a new request fails.
func HTTPBody(handler http.HandlerFunc, method, url string, values url.Values) string {
w := httptest.NewRecorder()
req, err := http.NewRequest(method, url+"?"+values.Encode(), nil)
if err != nil {
return ""
}
handler(w, req)
return w.Body.String()
}
// HTTPBodyContains asserts that a specified handler returns a
// body that contains a string.
//
// assert.HTTPBodyContains(t, myHandler, "GET", "www.google.com", nil, "I'm Feeling Lucky")
//
// Returns whether the assertion was successful (true) or not (false).
func HTTPBodyContains(t TestingT, handler http.HandlerFunc, method, url string, values url.Values, str interface{}, msgAndArgs ...interface{}) bool {
if h, ok := t.(tHelper); ok {
h.Helper()
}
body := HTTPBody(handler, method, url, values)
contains := strings.Contains(body, fmt.Sprint(str))
if !contains {
Fail(t, fmt.Sprintf("Expected response body for \"%s\" to contain \"%s\" but found \"%s\"", url+"?"+values.Encode(), str, body))
}
return contains
}
// HTTPBodyNotContains asserts that a specified handler returns a
// body that does not contain a string.
//
// assert.HTTPBodyNotContains(t, myHandler, "GET", "www.google.com", nil, "I'm Feeling Lucky")
//
// Returns whether the assertion was successful (true) or not (false).
func HTTPBodyNotContains(t TestingT, handler http.HandlerFunc, method, url string, values url.Values, str interface{}, msgAndArgs ...interface{}) bool {
if h, ok := t.(tHelper); ok {
h.Helper()
}
body := HTTPBody(handler, method, url, values)
contains := strings.Contains(body, fmt.Sprint(str))
if contains {
Fail(t, fmt.Sprintf("Expected response body for \"%s\" to NOT contain \"%s\" but found \"%s\"", url+"?"+values.Encode(), str, body))
}
return !contains
}
