jin/context_test.go at main · juanjiTech/jin · 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
package jin

import (
	"errors"
	"net/http"
	"net/http/httptest"
	"reflect"
	"testing"

	"github.com/juanjiTech/jin/render"
	"github.com/stretchr/testify/assert"
)

// CreateTestContext returns a fresh engine and context for testing purposes
func CreateTestContext(w http.ResponseWriter) (c *Context, r *Engine) {
	r = New()
	c = r.allocateContext(0)
	c.reset()
	c.writermem.reset(w)
	return
}

// CreateTestContextOnly returns a fresh context base on the engine for testing purposes
func CreateTestContextOnly(w http.ResponseWriter, r *Engine) (c *Context) {
	c = r.allocateContext(r.maxParams)
	c.reset()
	c.writermem.reset(w)
	return
}

func compareFunc(t *testing.T, a, b any) {
	sf1 := reflect.ValueOf(a)
	sf2 := reflect.ValueOf(b)
	if sf1.Pointer() != sf2.Pointer() {
		t.Error("different functions")
	}
}

func TestContextHandlers(t *testing.T) {
	c, _ := CreateTestContext(httptest.NewRecorder())
	assert.Nil(t, c.handlers)
	assert.Nil(t, c.handlers.Last())

	c.handlers = HandlersChain{}
	assert.NotNil(t, c.handlers)
	assert.Nil(t, c.handlers.Last())

	f := func(c *Context) {}
	g := func(c *Context) {}

	c.handlers = HandlersChain{f}
	compareFunc(t, f, c.handlers.Last())

	c.handlers = HandlersChain{f, g}
	compareFunc(t, g, c.handlers.Last())
}

func TestContextAbort(t *testing.T) {
	c, _ := CreateTestContext(httptest.NewRecorder())
	assert.False(t, c.IsAborted())

	c.Abort()
	assert.True(t, c.IsAborted())
	assert.Equal(t, abortIndex, c.index)
}

func TestContextError(t *testing.T) {
	c, _ := CreateTestContext(httptest.NewRecorder())
	assert.Empty(t, c.Errors)

	err := errors.New("test error")
	c.Error(err)
	assert.Len(t, c.Errors, 1)
	assert.Equal(t, "test error", (*c.Errors[0]).Error())

	assert.Panics(t, func() {
		c.Error(nil)
	})
}

func TestContextStatus(t *testing.T) {
	recorder := httptest.NewRecorder()
	c, _ := CreateTestContext(recorder)
	c.Status(http.StatusTeapot)
	c.Writer.WriteHeaderNow()
	assert.Equal(t, http.StatusTeapot, recorder.Code)
}

func TestContextFullPath(t *testing.T) {
	c, _ := CreateTestContext(httptest.NewRecorder())
	c.fullPath = "/test/path"
	assert.Equal(t, "/test/path", c.FullPath())
}

func TestBodyAllowedForStatus(t *testing.T) {
	assert.False(t, bodyAllowedForStatus(http.StatusProcessing))
	assert.False(t, bodyAllowedForStatus(http.StatusNoContent))
	assert.False(t, bodyAllowedForStatus(http.StatusNotModified))
	assert.True(t, bodyAllowedForStatus(http.StatusOK))
}

func TestContextRender(t *testing.T) {
	recorder := httptest.NewRecorder()
	c, _ := CreateTestContext(recorder)

	// Test with JSON
	c.Render(http.StatusOK, render.JSON{Data: map[string]string{"foo": "bar"}})
	assert.Equal(t, http.StatusOK, recorder.Code)
	assert.Equal(t, "{\"foo\":\"bar\"}", recorder.Body.String())
	assert.Equal(t, "application/json; charset=utf-8", recorder.Header().Get("Content-Type"))

	// Test with no content
	recorder = httptest.NewRecorder()
	c, _ = CreateTestContext(recorder)
	c.Render(http.StatusNoContent, render.JSON{Data: map[string]string{"foo": "bar"}})
	assert.Equal(t, http.StatusNoContent, recorder.Code)
	assert.Empty(t, recorder.Body.String())

	// Test with render error
	recorder = httptest.NewRecorder()
	c, _ = CreateTestContext(recorder)
	c.Render(http.StatusOK, &render.YAML{Data: make(chan int)})
	assert.True(t, c.IsAborted())
	assert.NotEmpty(t, c.Errors)
}

func TestContextNext(t *testing.T) {
	recorder := httptest.NewRecorder()
	c, _ := CreateTestContext(recorder)
	c.handlers = HandlersChain{nil, func(c *Context) {
		c.Status(http.StatusOK)
	}}
	c.Map(c)
	c.Next()
	assert.Equal(t, http.StatusOK, recorder.Code)
}