httpcodes/main_test.go at master · joluc/httpcodes · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
package main

import (
	"bytes"
	"io"
	"os"
	"strings"
	"testing"
)

func TestLoadCodes(t *testing.T) {
	codes, err := loadCodes()
	if err != nil {
		t.Fatalf("loadCodes() failed: %v", err)
	}

	if len(codes) == 0 {
		t.Fatal("loadCodes() returned empty map")
	}

	// Test some common status codes
	testCases := []struct {
		code    string
		wantMsg string
	}{
		{"200", "OK"},
		{"404", "Not Found"},
		{"500", "Internal Server Error"},
	}

	for _, tc := range testCases {
		t.Run("code_"+tc.code, func(t *testing.T) {
			sc, found := codes[tc.code]
			if !found {
				t.Errorf("Status code %s not found in codes map", tc.code)
				return
			}
			if sc.Message != tc.wantMsg {
				t.Errorf("Status code %s: got message %q, want %q", tc.code, sc.Message, tc.wantMsg)
			}
		})
	}
}

func TestLoadCodesStructure(t *testing.T) {
	codes, err := loadCodes()
	if err != nil {
		t.Fatalf("loadCodes() failed: %v", err)
	}

	// Verify each status code has required fields
	for code, sc := range codes {
		if sc.Message == "" {
			t.Errorf("Status code %s has empty Message field", code)
		}
		if sc.Description == "" {
			t.Errorf("Status code %s has empty Description field", code)
		}
		if sc.Code == nil {
			t.Errorf("Status code %s has nil Code field", code)
		}
	}
}

func TestDisplayStatusCode(t *testing.T) {
	codes, err := loadCodes()
	if err != nil {
		t.Fatalf("loadCodes() failed: %v", err)
	}

	// Capture stdout
	old := os.Stdout
	r, w, _ := os.Pipe()
	os.Stdout = w

	// Test displaying a status code
	if sc, found := codes["200"]; found {
		displayStatusCode(sc)
	} else {
		t.Fatal("Status code 200 not found")
	}

	// Restore stdout
	w.Close()
	os.Stdout = old

	// Read captured output
	var buf bytes.Buffer
	io.Copy(&buf, r)
	output := buf.String()

	// Verify output contains expected content
	if !strings.Contains(output, "200") {
		t.Error("Output should contain status code 200")
	}
	if !strings.Contains(output, "OK") {
		t.Error("Output should contain status message 'OK'")
	}
	if !strings.Contains(output, "Source:") {
		t.Error("Output should contain source attribution")
	}
}

func TestVersionConstant(t *testing.T) {
	if version == "" {
		t.Error("version constant should not be empty")
	}
}

func TestShowVersion(t *testing.T) {
	// Capture stdout
	old := os.Stdout
	r, w, _ := os.Pipe()
	os.Stdout = w

	showVersion()

	// Restore stdout
	w.Close()
	os.Stdout = old

	// Read captured output
	var buf bytes.Buffer
	io.Copy(&buf, r)
	output := buf.String()

	// Verify output contains version
	if !strings.Contains(output, "httpcodes version") {
		t.Error("showVersion() output should contain 'httpcodes version'")
	}
	if !strings.Contains(output, version) {
		t.Errorf("showVersion() output should contain version %q", version)
	}
}

func TestShowUsage(t *testing.T) {
	// Capture stdout
	old := os.Stdout
	r, w, _ := os.Pipe()
	os.Stdout = w

	showUsage()

	// Restore stdout
	w.Close()
	os.Stdout = old

	// Read captured output
	var buf bytes.Buffer
	io.Copy(&buf, r)
	output := buf.String()

	// Verify output contains expected content
	expectedStrings := []string{
		"Usage:",
		"httpcodes",
		"Examples:",
		"--version",
		"--help",
	}

	for _, expected := range expectedStrings {
		if !strings.Contains(output, expected) {
			t.Errorf("showUsage() output should contain %q", expected)
		}
	}
}