How to use ServeSum method of example Package

1package example_test
2
3import (
4	"net/http"
5	"net/url"
6	"testing"
7
8	"github.com/ysmood/got"
9	"github.com/ysmood/got/lib/example"
10)
11
12type mockResponseWriter struct {
13	got.Mock
14}
15
16func (m *mockResponseWriter) Write(b []byte) (int, error) {
17	return m.Proxy("Write").(func([]byte) (int, error))(b)
18}
19
20func (m *mockResponseWriter) Header() http.Header { return nil }
21
22func (m *mockResponseWriter) WriteHeader(c int) {}
23
24func TestMocking(t *testing.T) {
25	g := setup(t)
26
27	m := &mockResponseWriter{}
28
29	m.Stub("Write", func(b []byte) (int, error) {
30		g.Eq(string(b), "3")
31		return 0, nil
32	})
33
34	u, _ := url.Parse("?a=1&b=2")
35	example.ServeSum(m, &http.Request{URL: u})
36
37	m.On(m, "Write").When([]byte("3")).Return(1, nil)
38	example.ServeSum(m, &http.Request{URL: u})
39}
40

Source: 05_mocking_test.go

package example_test

import (
	"net/http"
	"net/url"
	"testing"

	"github.com/ysmood/got"
	"github.com/ysmood/got/lib/example"
)

type mockResponseWriter struct {
	got.Mock
}

func (m *mockResponseWriter) Write(b []byte) (int, error) {
	return m.Proxy("Write").(func([]byte) (int, error))(b)
}

func (m *mockResponseWriter) Header() http.Header { return nil }

func (m *mockResponseWriter) WriteHeader(c int) {}

func TestMocking(t *testing.T) {
	g := setup(t)

	m := &mockResponseWriter{}

	m.Stub("Write", func(b []byte) (int, error) {
		g.Eq(string(b), "3")
		return 0, nil
	})

	u, _ := url.Parse("?a=1&b=2")
	example.ServeSum(m, &http.Request{URL: u})

	m.On(m, "Write").When([]byte("3")).Return(1, nil)
	example.ServeSum(m, &http.Request{URL: u})
}

1package example
2
3import (
4	"fmt"
5	"net/http"
6	"strconv"
7)
8
9// Sum a and b as number
10func Sum(a, b string) string {
11	an, _ := strconv.ParseInt(a, 10, 32)
12	bn, _ := strconv.ParseInt(b, 10, 32)
13	return fmt.Sprintf("%d", an+bn)
14}
15
16// ServeSum http handler function
17func ServeSum(w http.ResponseWriter, r *http.Request) {
18	s := Sum(r.URL.Query().Get("a"), r.URL.Query().Get("b"))
19	_, _ = w.Write([]byte(s))
20}
21

Source: example.go

package example

import (
	"fmt"
	"net/http"
	"strconv"
)

// Sum a and b as number
func Sum(a, b string) string {
	an, _ := strconv.ParseInt(a, 10, 32)
	bn, _ := strconv.ParseInt(b, 10, 32)
	return fmt.Sprintf("%d", an+bn)
}

// ServeSum http handler function
func ServeSum(w http.ResponseWriter, r *http.Request) {
	s := Sum(r.URL.Query().Get("a"), r.URL.Query().Get("b"))
	_, _ = w.Write([]byte(s))
}

1package example_test
2
3import (
4	"testing"
5
6	"github.com/ysmood/got/lib/example"
7)
8
9func TestChainMethods(t *testing.T) {
10	g := setup(t)
11
12	g.Desc("1 must equal 1").Must().Eq(example.Sum("1", "2"), "3")
13}
14
15func TestUtils(t *testing.T) {
16	g := setup(t)
17
18	// Run "go doc got.Utils" to list available helpers
19	s := g.Serve()
20	s.Mux.HandleFunc("/", example.ServeSum)
21
22	val := g.Req("", s.URL("?a=1&b=2")).Bytes().String()
23	g.Eq(val, "3")
24}
25
26func TestTableDriven(t *testing.T) {
27	testCases := []struct{ desc, a, b, expected string }{{
28		"first",
29		"1", "2", "3",
30	}, {
31		"second",
32		"2", "3", "5",
33	}}
34
35	for _, c := range testCases {
36		t.Run(c.desc, func(t *testing.T) {
37			g := setup(t)
38			g.Eq(example.Sum(c.a, c.b), c.expected)
39		})
40	}
41}
42

Source: 02_advanced_test.go

package example_test

import (
	"testing"

	"github.com/ysmood/got/lib/example"
)

func TestChainMethods(t *testing.T) {
	g := setup(t)

	g.Desc("1 must equal 1").Must().Eq(example.Sum("1", "2"), "3")
}

func TestUtils(t *testing.T) {
	g := setup(t)

	// Run "go doc got.Utils" to list available helpers
	s := g.Serve()
	s.Mux.HandleFunc("/", example.ServeSum)

	val := g.Req("", s.URL("?a=1&b=2")).Bytes().String()
	g.Eq(val, "3")
}

func TestTableDriven(t *testing.T) {
	testCases := []struct{ desc, a, b, expected string }{{
		"first",
		"1", "2", "3",
	}, {
		"second",
		"2", "3", "5",
	}}

	for _, c := range testCases {
		t.Run(c.desc, func(t *testing.T) {
			g := setup(t)
			g.Eq(example.Sum(c.a, c.b), c.expected)
		})
	}
}