92 lines
2.3 KiB
Go
92 lines
2.3 KiB
Go
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package testhelper
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import (
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"encoding/json"
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"io/ioutil"
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"net/http"
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"net/http/httptest"
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"net/url"
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"reflect"
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"testing"
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)
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var (
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// Mux is a multiplexer that can be used to register handlers.
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Mux *http.ServeMux
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// Server is an in-memory HTTP server for testing.
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Server *httptest.Server
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)
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// SetupHTTP prepares the Mux and Server.
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func SetupHTTP() {
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Mux = http.NewServeMux()
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Server = httptest.NewServer(Mux)
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}
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// TeardownHTTP releases HTTP-related resources.
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func TeardownHTTP() {
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Server.Close()
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}
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// Endpoint returns a fake endpoint that will actually target the Mux.
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func Endpoint() string {
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return Server.URL + "/"
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}
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// TestFormValues ensures that all the URL parameters given to the http.Request are the same as values.
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func TestFormValues(t *testing.T, r *http.Request, values map[string]string) {
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want := url.Values{}
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for k, v := range values {
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want.Add(k, v)
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}
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r.ParseForm()
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if !reflect.DeepEqual(want, r.Form) {
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t.Errorf("Request parameters = %v, want %v", r.Form, want)
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}
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}
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// TestMethod checks that the Request has the expected method (e.g. GET, POST).
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func TestMethod(t *testing.T, r *http.Request, expected string) {
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if expected != r.Method {
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t.Errorf("Request method = %v, expected %v", r.Method, expected)
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}
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}
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// TestHeader checks that the header on the http.Request matches the expected value.
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func TestHeader(t *testing.T, r *http.Request, header string, expected string) {
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if actual := r.Header.Get(header); expected != actual {
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t.Errorf("Header %s = %s, expected %s", header, actual, expected)
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}
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}
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// TestBody verifies that the request body matches an expected body.
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func TestBody(t *testing.T, r *http.Request, expected string) {
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b, err := ioutil.ReadAll(r.Body)
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if err != nil {
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t.Errorf("Unable to read body: %v", err)
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}
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str := string(b)
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if expected != str {
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t.Errorf("Body = %s, expected %s", str, expected)
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}
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}
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// TestJSONRequest verifies that the JSON payload of a request matches an expected structure, without asserting things about
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// whitespace or ordering.
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func TestJSONRequest(t *testing.T, r *http.Request, expected string) {
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b, err := ioutil.ReadAll(r.Body)
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if err != nil {
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t.Errorf("Unable to read request body: %v", err)
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}
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var actualJSON interface{}
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err = json.Unmarshal(b, &actualJSON)
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if err != nil {
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t.Errorf("Unable to parse request body as JSON: %v", err)
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}
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CheckJSONEquals(t, expected, actualJSON)
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}
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