453 lines
10 KiB
Go
453 lines
10 KiB
Go
package gin
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import (
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"bytes"
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"errors"
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"html/template"
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"net/http"
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"net/http/httptest"
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"testing"
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)
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// TestContextParamsGet tests that a parameter can be parsed from the URL.
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func TestContextParamsByName(t *testing.T) {
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req, _ := http.NewRequest("GET", "/test/alexandernyquist", nil)
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w := httptest.NewRecorder()
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name := ""
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r := Default()
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r.GET("/test/:name", func(c *Context) {
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name = c.Params.ByName("name")
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})
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r.ServeHTTP(w, req)
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if name != "alexandernyquist" {
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t.Errorf("Url parameter was not correctly parsed. Should be alexandernyquist, was %s.", name)
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}
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}
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// TestContextSetGet tests that a parameter is set correctly on the
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// current context and can be retrieved using Get.
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func TestContextSetGet(t *testing.T) {
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req, _ := http.NewRequest("GET", "/test", nil)
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w := httptest.NewRecorder()
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r := Default()
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r.GET("/test", func(c *Context) {
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// Key should be lazily created
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if c.Keys != nil {
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t.Error("Keys should be nil")
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}
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// Set
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c.Set("foo", "bar")
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v, err := c.Get("foo")
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if err != nil {
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t.Errorf("Error on exist key")
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}
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if v != "bar" {
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t.Errorf("Value should be bar, was %s", v)
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}
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})
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r.ServeHTTP(w, req)
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}
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// TestContextJSON tests that the response is serialized as JSON
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// and Content-Type is set to application/json
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func TestContextJSON(t *testing.T) {
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req, _ := http.NewRequest("GET", "/test", nil)
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w := httptest.NewRecorder()
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r := Default()
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r.GET("/test", func(c *Context) {
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c.JSON(200, H{"foo": "bar"})
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})
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r.ServeHTTP(w, req)
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if w.Body.String() != "{\"foo\":\"bar\"}\n" {
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t.Errorf("Response should be {\"foo\":\"bar\"}, was: %s", w.Body.String())
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}
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if w.HeaderMap.Get("Content-Type") != "application/json" {
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t.Errorf("Content-Type should be application/json, was %s", w.HeaderMap.Get("Content-Type"))
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}
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}
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// TestContextHTML tests that the response executes the templates
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// and responds with Content-Type set to text/html
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func TestContextHTML(t *testing.T) {
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req, _ := http.NewRequest("GET", "/test", nil)
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w := httptest.NewRecorder()
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r := Default()
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templ, _ := template.New("t").Parse(`Hello {{.Name}}`)
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r.SetHTMLTemplate(templ)
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type TestData struct{ Name string }
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r.GET("/test", func(c *Context) {
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c.HTML(200, "t", TestData{"alexandernyquist"})
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})
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r.ServeHTTP(w, req)
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if w.Body.String() != "Hello alexandernyquist" {
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t.Errorf("Response should be Hello alexandernyquist, was: %s", w.Body.String())
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}
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if w.HeaderMap.Get("Content-Type") != "text/html" {
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t.Errorf("Content-Type should be text/html, was %s", w.HeaderMap.Get("Content-Type"))
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}
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}
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// TestContextString tests that the response is returned
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// with Content-Type set to text/plain
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func TestContextString(t *testing.T) {
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req, _ := http.NewRequest("GET", "/test", nil)
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w := httptest.NewRecorder()
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r := Default()
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r.GET("/test", func(c *Context) {
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c.String(200, "test")
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})
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r.ServeHTTP(w, req)
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if w.Body.String() != "test" {
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t.Errorf("Response should be test, was: %s", w.Body.String())
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}
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if w.HeaderMap.Get("Content-Type") != "text/plain" {
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t.Errorf("Content-Type should be text/plain, was %s", w.HeaderMap.Get("Content-Type"))
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}
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}
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// TestContextXML tests that the response is serialized as XML
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// and Content-Type is set to application/xml
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func TestContextXML(t *testing.T) {
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req, _ := http.NewRequest("GET", "/test", nil)
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w := httptest.NewRecorder()
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r := Default()
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r.GET("/test", func(c *Context) {
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c.XML(200, H{"foo": "bar"})
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})
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r.ServeHTTP(w, req)
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if w.Body.String() != "<map><foo>bar</foo></map>" {
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t.Errorf("Response should be <map><foo>bar</foo></map>, was: %s", w.Body.String())
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}
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if w.HeaderMap.Get("Content-Type") != "application/xml" {
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t.Errorf("Content-Type should be application/xml, was %s", w.HeaderMap.Get("Content-Type"))
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}
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}
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// TestContextData tests that the response can be written from `bytesting`
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// with specified MIME type
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func TestContextData(t *testing.T) {
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req, _ := http.NewRequest("GET", "/test/csv", nil)
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w := httptest.NewRecorder()
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r := Default()
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r.GET("/test/csv", func(c *Context) {
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c.Data(200, "text/csv", []byte(`foo,bar`))
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})
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r.ServeHTTP(w, req)
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if w.Body.String() != "foo,bar" {
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t.Errorf("Response should be foo&bar, was: %s", w.Body.String())
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}
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if w.HeaderMap.Get("Content-Type") != "text/csv" {
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t.Errorf("Content-Type should be text/csv, was %s", w.HeaderMap.Get("Content-Type"))
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}
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}
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func TestContextFile(t *testing.T) {
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req, _ := http.NewRequest("GET", "/test/file", nil)
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w := httptest.NewRecorder()
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r := Default()
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r.GET("/test/file", func(c *Context) {
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c.File("./gin.go")
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})
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r.ServeHTTP(w, req)
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bodyAsString := w.Body.String()
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if len(bodyAsString) == 0 {
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t.Errorf("Got empty body instead of file data")
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}
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if w.HeaderMap.Get("Content-Type") != "text/plain; charset=utf-8" {
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t.Errorf("Content-Type should be text/plain; charset=utf-8, was %s", w.HeaderMap.Get("Content-Type"))
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}
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}
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// TestHandlerFunc - ensure that custom middleware works properly
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func TestHandlerFunc(t *testing.T) {
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req, _ := http.NewRequest("GET", "/", nil)
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w := httptest.NewRecorder()
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r := Default()
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var stepsPassed int = 0
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r.Use(func(context *Context) {
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stepsPassed += 1
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context.Next()
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stepsPassed += 1
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})
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r.ServeHTTP(w, req)
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if w.Code != 404 {
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t.Errorf("Response code should be Not found, was: %s", w.Code)
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}
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if stepsPassed != 2 {
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t.Errorf("Falied to switch context in handler function: %s", stepsPassed)
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}
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}
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// TestBadAbortHandlersChain - ensure that Abort after switch context will not interrupt pending handlers
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func TestBadAbortHandlersChain(t *testing.T) {
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req, _ := http.NewRequest("GET", "/", nil)
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w := httptest.NewRecorder()
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r := Default()
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var stepsPassed int = 0
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r.Use(func(context *Context) {
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stepsPassed += 1
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context.Next()
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stepsPassed += 1
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// after check and abort
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context.Abort(409)
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},
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func(context *Context) {
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stepsPassed += 1
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context.Next()
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stepsPassed += 1
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context.Abort(403)
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},
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)
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r.ServeHTTP(w, req)
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if w.Code != 403 {
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t.Errorf("Response code should be Forbiden, was: %s", w.Code)
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}
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if stepsPassed != 4 {
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t.Errorf("Falied to switch context in handler function: %s", stepsPassed)
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}
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}
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// TestAbortHandlersChain - ensure that Abort interrupt used middlewares in fifo order
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func TestAbortHandlersChain(t *testing.T) {
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req, _ := http.NewRequest("GET", "/", nil)
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w := httptest.NewRecorder()
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r := Default()
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var stepsPassed int = 0
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r.Use(func(context *Context) {
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stepsPassed += 1
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context.Abort(409)
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},
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func(context *Context) {
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stepsPassed += 1
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context.Next()
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stepsPassed += 1
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},
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)
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r.ServeHTTP(w, req)
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if w.Code != 409 {
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t.Errorf("Response code should be Conflict, was: %s", w.Code)
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}
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if stepsPassed != 1 {
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t.Errorf("Falied to switch context in handler function: %s", stepsPassed)
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}
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}
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// TestFailHandlersChain - ensure that Fail interrupt used middlewares in fifo order as
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// as well as Abort
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func TestFailHandlersChain(t *testing.T) {
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req, _ := http.NewRequest("GET", "/", nil)
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w := httptest.NewRecorder()
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r := Default()
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var stepsPassed int = 0
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r.Use(func(context *Context) {
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stepsPassed += 1
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context.Fail(500, errors.New("foo"))
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},
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func(context *Context) {
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stepsPassed += 1
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context.Next()
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stepsPassed += 1
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},
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)
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r.ServeHTTP(w, req)
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if w.Code != 500 {
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t.Errorf("Response code should be Server error, was: %s", w.Code)
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}
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if stepsPassed != 1 {
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t.Errorf("Falied to switch context in handler function: %s", stepsPassed)
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}
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}
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func TestBindingJSON(t *testing.T) {
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body := bytes.NewBuffer([]byte("{\"foo\":\"bar\"}"))
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r := Default()
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r.POST("/binding/json", func(c *Context) {
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var body struct {
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Foo string `json:"foo"`
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}
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if c.Bind(&body) {
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c.JSON(200, H{"parsed": body.Foo})
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}
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})
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req, _ := http.NewRequest("POST", "/binding/json", body)
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req.Header.Set("Content-Type", "application/json")
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w := httptest.NewRecorder()
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r.ServeHTTP(w, req)
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if w.Code != 200 {
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t.Errorf("Response code should be Ok, was: %s", w.Code)
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}
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if w.Body.String() != "{\"parsed\":\"bar\"}\n" {
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t.Errorf("Response should be {\"parsed\":\"bar\"}, was: %s", w.Body.String())
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}
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if w.HeaderMap.Get("Content-Type") != "application/json" {
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t.Errorf("Content-Type should be application/json, was %s", w.HeaderMap.Get("Content-Type"))
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}
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}
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func TestBindingJSONEncoding(t *testing.T) {
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body := bytes.NewBuffer([]byte("{\"foo\":\"嘉\"}"))
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r := Default()
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r.POST("/binding/json", func(c *Context) {
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var body struct {
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Foo string `json:"foo"`
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}
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if c.Bind(&body) {
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c.JSON(200, H{"parsed": body.Foo})
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}
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})
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req, _ := http.NewRequest("POST", "/binding/json", body)
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req.Header.Set("Content-Type", "application/json; charset=utf-8")
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w := httptest.NewRecorder()
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r.ServeHTTP(w, req)
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if w.Code != 200 {
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t.Errorf("Response code should be Ok, was: %s", w.Code)
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}
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if w.Body.String() != "{\"parsed\":\"嘉\"}\n" {
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t.Errorf("Response should be {\"parsed\":\"嘉\"}, was: %s", w.Body.String())
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}
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if w.HeaderMap.Get("Content-Type") != "application/json" {
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t.Errorf("Content-Type should be application/json, was %s", w.HeaderMap.Get("Content-Type"))
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}
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}
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func TestBindingJSONNoContentType(t *testing.T) {
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body := bytes.NewBuffer([]byte("{\"foo\":\"bar\"}"))
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r := Default()
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r.POST("/binding/json", func(c *Context) {
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var body struct {
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Foo string `json:"foo"`
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}
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if c.Bind(&body) {
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c.JSON(200, H{"parsed": body.Foo})
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}
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})
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req, _ := http.NewRequest("POST", "/binding/json", body)
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w := httptest.NewRecorder()
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r.ServeHTTP(w, req)
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if w.Code != 400 {
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t.Errorf("Response code should be Bad request, was: %s", w.Code)
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}
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if w.Body.String() == "{\"parsed\":\"bar\"}\n" {
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t.Errorf("Response should not be {\"parsed\":\"bar\"}, was: %s", w.Body.String())
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}
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if w.HeaderMap.Get("Content-Type") == "application/json" {
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t.Errorf("Content-Type should not be application/json, was %s", w.HeaderMap.Get("Content-Type"))
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}
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}
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func TestBindingJSONMalformed(t *testing.T) {
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body := bytes.NewBuffer([]byte("\"foo\":\"bar\"\n"))
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r := Default()
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r.POST("/binding/json", func(c *Context) {
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var body struct {
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Foo string `json:"foo"`
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}
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if c.Bind(&body) {
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c.JSON(200, H{"parsed": body.Foo})
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}
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})
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req, _ := http.NewRequest("POST", "/binding/json", body)
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req.Header.Set("Content-Type", "application/json")
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w := httptest.NewRecorder()
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r.ServeHTTP(w, req)
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if w.Code != 400 {
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t.Errorf("Response code should be Bad request, was: %s", w.Code)
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}
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if w.Body.String() == "{\"parsed\":\"bar\"}\n" {
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t.Errorf("Response should not be {\"parsed\":\"bar\"}, was: %s", w.Body.String())
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}
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if w.HeaderMap.Get("Content-Type") == "application/json" {
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t.Errorf("Content-Type should not be application/json, was %s", w.HeaderMap.Get("Content-Type"))
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}
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}
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