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1package main
2
3import (
4	"bytes"
5	"strings"
6	"testing"
7
8	pb "github.com/google/protobuf/examples/tutorial"
9)
10
11func TestWritePersonWritesPerson(t *testing.T) {
12	buf := new(bytes.Buffer)
13	// [START populate_proto]
14	p := pb.Person{
15		Id:    1234,
16		Name:  "John Doe",
17		Email: "jdoe@example.com",
18		Phones: []*pb.Person_PhoneNumber{
19			{Number: "555-4321", Type: pb.Person_HOME},
20		},
21	}
22	// [END populate_proto]
23	writePerson(buf, &p)
24	got := buf.String()
25	want := `Person ID: 1234
26  Name: John Doe
27  E-mail address: jdoe@example.com
28  Home phone #: 555-4321
29`
30	if got != want {
31		t.Errorf("writePerson(%s) =>\n\t%q, want %q", p.String(), got, want)
32	}
33}
34
35func TestListPeopleWritesList(t *testing.T) {
36	buf := new(bytes.Buffer)
37	in := pb.AddressBook{[]*pb.Person{
38		{
39			Name:  "John Doe",
40			Id:    101,
41			Email: "john@example.com",
42		},
43		{
44			Name: "Jane Doe",
45			Id:   102,
46		},
47		{
48			Name:  "Jack Doe",
49			Id:    201,
50			Email: "jack@example.com",
51			Phones: []*pb.Person_PhoneNumber{
52				{Number: "555-555-5555", Type: pb.Person_WORK},
53			},
54		},
55		{
56			Name:  "Jack Buck",
57			Id:    301,
58			Email: "buck@example.com",
59			Phones: []*pb.Person_PhoneNumber{
60				{Number: "555-555-0000", Type: pb.Person_HOME},
61				{Number: "555-555-0001", Type: pb.Person_MOBILE},
62				{Number: "555-555-0002", Type: pb.Person_WORK},
63			},
64		},
65		{
66			Name:  "Janet Doe",
67			Id:    1001,
68			Email: "janet@example.com",
69			Phones: []*pb.Person_PhoneNumber{
70				{Number: "555-777-0000"},
71				{Number: "555-777-0001", Type: pb.Person_HOME},
72			},
73		},
74	}}
75	listPeople(buf, &in)
76	want := strings.Split(`Person ID: 101
77  Name: John Doe
78  E-mail address: john@example.com
79Person ID: 102
80  Name: Jane Doe
81Person ID: 201
82  Name: Jack Doe
83  E-mail address: jack@example.com
84  Work phone #: 555-555-5555
85Person ID: 301
86  Name: Jack Buck
87  E-mail address: buck@example.com
88  Home phone #: 555-555-0000
89  Mobile phone #: 555-555-0001
90  Work phone #: 555-555-0002
91Person ID: 1001
92  Name: Janet Doe
93  E-mail address: janet@example.com
94  Mobile phone #: 555-777-0000
95  Home phone #: 555-777-0001
96`, "\n")
97	got := strings.Split(buf.String(), "\n")
98	if len(got) != len(want) {
99		t.Errorf(
100			"listPeople(%s) =>\n\t%q has %d lines, want %d",
101			in.String(),
102			buf.String(),
103			len(got),
104			len(want))
105	}
106	lines := len(got)
107	if lines > len(want) {
108		lines = len(want)
109	}
110	for i := 0; i < lines; i++ {
111		if got[i] != want[i] {
112			t.Errorf(
113				"listPeople(%s) =>\n\tline %d %q, want %q",
114				in.String(),
115				i,
116				got[i],
117				want[i])
118		}
119	}
120}
121