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How to use NewUpstream method of testhelper Package

Best Toxiproxy code snippet using testhelper.NewUpstream

bandwidth_test.go

Source:bandwidth_test.go

...9	"github.com/Shopify/toxiproxy/v2/testhelper"10	"github.com/Shopify/toxiproxy/v2/toxics"11)12func TestBandwidthToxic(t *testing.T) {13	upstream := testhelper.NewUpstream(t, false)14	defer upstream.Close()15	proxy := NewTestProxy("test", upstream.Addr())16	proxy.Start()17	defer proxy.Stop()18	client, err := net.Dial("tcp", proxy.Listen)19	if err != nil {20		t.Fatalf("Unable to dial TCP server: %v", err)21	}22	upstreamConn := <-upstream.Connections23	rate := 1000 // 1MB/s24	proxy.Toxics.AddToxicJson(25		ToxicToJson(t, "", "bandwidth", "upstream", &toxics.BandwidthToxic{Rate: int64(rate)}),26	)27	writtenPayload := []byte(strings.Repeat("hello world ", 40000)) // 480KB28	go func() {29		n, err := client.Write(writtenPayload)30		client.Close()31		if n != len(writtenPayload) || err != nil {32			t.Errorf("Failed to write buffer: (%d == %d) %v", n, len(writtenPayload), err)33		}34	}()35	serverRecvPayload := make([]byte, len(writtenPayload))36	start := time.Now()37	_, err = io.ReadAtLeast(upstreamConn, serverRecvPayload, len(serverRecvPayload))38	if err != nil {39		t.Errorf("Proxy read failed: %v", err)40	} else if !bytes.Equal(writtenPayload, serverRecvPayload) {41		t.Errorf("Server did not read correct buffer from client!")42	}43	AssertDeltaTime(t,44		"Bandwidth",45		time.Since(start),46		time.Duration(len(writtenPayload))*time.Second/time.Duration(rate*1000),47		10*time.Millisecond,48	)49}50func BenchmarkBandwidthToxic100MB(b *testing.B) {51	upstream := testhelper.NewUpstream(b, true)52	defer upstream.Close()53	proxy := NewTestProxy("test", upstream.Addr())54	proxy.Start()55	defer proxy.Stop()56	client, err := net.Dial("tcp", proxy.Listen)57	if err != nil {58		b.Error("Unable to dial TCP server", err)59	}60	writtenPayload := []byte(strings.Repeat("hello world ", 1000))61	proxy.Toxics.AddToxicJson(62		ToxicToJson(nil, "", "bandwidth", "upstream", &toxics.BandwidthToxic{Rate: 100 * 1000}),63	)64	b.SetBytes(int64(len(writtenPayload)))65	b.ReportAllocs()...

upstream.go

Source:upstream.go

...7	listener    net.Listener8	logger      testing.TB9	Connections chan net.Conn10}11func NewUpstream(t testing.TB, ignoreData bool) *Upstream {12	result := &Upstream{13		logger: t,14	}15	result.listen()16	result.accept(ignoreData)17	return result18}19func (u *Upstream) listen() {20	listener, err := net.Listen("tcp", "localhost:0")21	if err != nil {22		u.logger.Fatalf("Failed to create TCP server: %v", err)23	}24	u.listener = listener25}...

NewUpstream

Using AI Code Generation

1import (2func TestUpstream(t *testing.T) {3    ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {4        fmt.Fprintln(w, "Hello, client")5    }))6    defer ts.Close()7    u, err := testhelper.NewUpstream("test", ts.URL)8    assert.NoError(t, err)9    assert.NoError(t, err)10    rr := httptest.NewRecorder()11    u.ServeHTTP(rr, req)12    assert.Equal(t, 200, rr.Code)13    assert.Equal(t, "Hello, client14", rr.Body.String())15}16import (17func TestProxy(t *testing.T) {18    ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {19        fmt.Fprintln(w, "Hello, client")20    }))21    defer ts.Close()22    u, err := testhelper.NewUpstream("test", ts.URL)23    assert.NoError(t, err)

NewUpstream

Using AI Code Generation

1import (2func main() {3    ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {4        fmt.Fprintln(w, "Hello, client")5    }))6    defer ts.Close()7    client := ts.Client()8    url, _ := url.Parse(ts.URL)9    resp, _ := client.Get(url.String())10    fmt.Println(resp)11}12func testClient(t *testing.T) {13    ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {14        fmt.Fprintln(w, "Hello, client")15    }))16    defer ts.Close()17    client := ts.Client()18    url, _ := url.Parse(ts.URL)19    resp, _ := client.Get(url.String())20    fmt.Println(resp)21}22func testServer(t *testing.T) {23    ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {24        fmt.Fprintln(w, "Hello, client")25    }))26    defer ts.Close()27    client := ts.Client()28    url, _ := url.Parse(ts.URL)29    resp, _ := client.Get(url.String())30    fmt.Println(resp)31}32func testKcpClient(t *testing.T) {33    ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {34        fmt.Fprintln(w, "Hello, client")35    }))

NewUpstream

Using AI Code Generation

1import (2func TestNewUpstream(t *testing.T) {3	os.Setenv(common.KoEnvKey, "/home/prow/go/src/knative.dev/operator/knative-operator/")4	os.Setenv(common.KnEnvKey, "/home/prow/go/src/knative.dev/operator/knative-operator/")5	os.Setenv(common.KubectlEnvKey, "/home/prow/go/src/knative.dev/operator/knative-operator/")6	s.AddKnownTypes(v1alpha1.SchemeGroupVersion, &v1alpha1.KnativeServing{})7	s.AddKnownTypes(v1alpha1.SchemeGroupVersion, &v1alpha1.KnativeEventing{})8	s.AddKnownTypes(v1alpha1.SchemeGroupVersion, &v1alpha1.KnativeEventing{})9	upstream := &v1alpha1.KnativeServing{10		ObjectMeta: testing.ObjectMeta("knative-serving", "knative-serving"),11		Spec: v1alpha1.KnativeServingSpec{12			CommonSpec: v1alpha1.CommonSpec{13			},14		},15	}16	downstream := &v1alpha1.KnativeServing{17		ObjectMeta: testing.ObjectMeta("knative-serving", "knative-serving"),18		Spec: v1alpha1.KnativeServingSpec{19			CommonSpec: v1alpha1.CommonSpec{20			},21		},22	}

NewUpstream

Using AI Code Generation

1import (2func main() {3    testhelper.NewUpstream()4    fmt.Println("Hello World!")5}6func NewUpstream() {7    fmt.Println("NewUpstream")8}9func NewDownstream() {10    fmt.Println("NewDownstream")11}12func NewDownstream() {13    fmt.Println("NewDownstream")14}15func NewDownstream() {16    fmt.Println("NewDownstream")17}18func NewDownstream() {19    fmt.Println("NewDownstream")20}21func NewDownstream() {22    fmt.Println("NewDownstream")23}24func NewDownstream() {25    fmt.Println("NewDownstream")26}27func NewDownstream() {28    fmt.Println("NewDownstream")29}30func NewDownstream() {31    fmt.Println("NewDownstream")32}33func NewDownstream() {34    fmt.Println("NewDownstream")35}36func NewDownstream() {37    fmt.Println("NewDownstream")38}

NewUpstream

Using AI Code Generation

1import (2func main() {3    db, err := bolt.Open("test.db", 0600, nil)4    if err != nil {5        log.Fatal(err)6    }7    defer db.Close()8    api := rest.NewApi()9    api.Use(rest.DefaultDevStack...)10    router, err := rest.MakeRouter(11        rest.Get("/upstreams", func(w rest.ResponseWriter, r *rest.Request) {12            upstreams, err := testhelper.NewUpstream(db)13            if err != nil {14                rest.Error(w, err.Error(), http.StatusInternalServerError)15            }16            w.WriteJson(&upstreams)17        }),18    if err != nil {19        log.Fatal(err)20    }21    api.SetApp(router)22    log.Fatal(http.ListenAndServe(":8080", api.MakeHandler()))23}24import (25func main() {26    db, err := bolt.Open("test.db", 0600, nil)27    if err != nil {28        log.Fatal(err)29    }30    defer db.Close()31    api := rest.NewApi()32    api.Use(rest.DefaultDevStack...)33    router, err := rest.MakeRouter(34        rest.Get("/upstreams", func(w rest.ResponseWriter, r *rest.Request) {35            upstreams, err := testhelper.NewUpstream(db)36            if err != nil {37                rest.Error(w, err.Error(), http.StatusInternalServerError)38            }39            w.WriteJson(&upstreams)40        }),41    if err != nil {42        log.Fatal(err)43    }44    api.SetApp(router)45    log.Fatal(http.ListenAndServe(":8080", api.MakeHandler()))46}

NewUpstream

Using AI Code Generation

1import (2func main() {3	fmt.Println("Hello, playground")4	var testhelperObj = testhelper.TestHelper{}5	testhelperObj.NewUpstream("abc", "xyz")6}7import (8func main() {9	fmt.Println("Hello, playground")10	var testhelperObj = testhelper.TestHelper{}11	testhelperObj.NewUpstream("abc", "xyz")12}13import (14func main() {15	fmt.Println("Hello, playground")16	var testhelperObj = testhelper.TestHelper{}17	testhelperObj.NewUpstream("abc", "xyz")18}19import (20func main() {21	fmt.Println("Hello, playground")22	var testhelperObj = testhelper.TestHelper{}23	testhelperObj.NewUpstream("abc", "xyz")24}25import (26func main() {27	fmt.Println("Hello, playground")28	var testhelperObj = testhelper.TestHelper{}29	testhelperObj.NewUpstream("abc", "xyz")30}31import (32func main() {33	fmt.Println("Hello, playground")34	var testhelperObj = testhelper.TestHelper{}35	testhelperObj.NewUpstream("abc", "xyz")36}37import (

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