github.com/senomas/gqlgen@v0.17.11-0.20220626120754-9aee61b0716a/graphql/playground/playground_test.go (about)

     1  package playground
     2  
     3  import (
     4  	"fmt"
     5  	"io"
     6  	"net/http"
     7  	"net/http/httptest"
     8  	"regexp"
     9  	"testing"
    10  )
    11  
    12  func TestHandler_createsAbsoluteURLs(t *testing.T) {
    13  	rec := httptest.NewRecorder()
    14  	req := httptest.NewRequest(http.MethodGet, "https://example.org/query", nil)
    15  	h := Handler("example.org API", "https://example.org/query")
    16  	h.ServeHTTP(rec, req)
    17  
    18  	res := rec.Result()
    19  	defer res.Body.Close()
    20  	if res.StatusCode != http.StatusOK {
    21  		t.Errorf("res.StatusCode = %d; want %d", res.StatusCode, http.StatusOK)
    22  	}
    23  
    24  	b, err := io.ReadAll(res.Body)
    25  	if err != nil {
    26  		panic(fmt.Errorf("reading res.Body: %w", err))
    27  	}
    28  
    29  	want := regexp.MustCompile(`(?m)^.*url\s*=\s*['"]https:\/\/example\.org\/query["'].*$`)
    30  	if !want.Match(b) {
    31  		t.Errorf("no match for %s in response body", want.String())
    32  	}
    33  
    34  	wantSubURL := regexp.MustCompile(`(?m)^.*subscriptionUrl\s*=\s*['"]wss:\/\/example\.org\/query["'].*$`)
    35  	if !wantSubURL.Match(b) {
    36  		t.Errorf("no match for %s in response body", wantSubURL.String())
    37  	}
    38  }
    39  
    40  func TestHandler_createsRelativeURLs(t *testing.T) {
    41  	rec := httptest.NewRecorder()
    42  	req := httptest.NewRequest(http.MethodGet, "http://localhost:8080/query", nil)
    43  	h := Handler("example.org API", "/customquery")
    44  	h.ServeHTTP(rec, req)
    45  
    46  	res := rec.Result()
    47  	defer res.Body.Close()
    48  	if res.StatusCode != http.StatusOK {
    49  		t.Errorf("res.StatusCode = %d; want %d", res.StatusCode, http.StatusOK)
    50  	}
    51  
    52  	b, err := io.ReadAll(res.Body)
    53  	if err != nil {
    54  		panic(fmt.Errorf("reading res.Body: %w", err))
    55  	}
    56  
    57  	wantURL := regexp.MustCompile(`(?m)^.*url\s*=\s*location\.protocol.*$`)
    58  	if !wantURL.Match(b) {
    59  		t.Errorf("no match for %s in response body", wantURL.String())
    60  	}
    61  	wantSubURL := regexp.MustCompile(`(?m)^.*subscriptionUrl\s*=\s*wsProto.*['"]\/customquery['"].*$`)
    62  	if !wantSubURL.Match(b) {
    63  		t.Errorf("no match for %s in response body", wantSubURL.String())
    64  	}
    65  }