func main() {
log.Info("App Version: %s", APP_VER)
m := macaron.Classic()
m.Use(macaron.Renderer())
m.Use(middleware.Contexter())
m.Get("/fibonacci", v1.Fibonacci)
m.Run(setting.HTTPPort)
}
func Test_Fibonacci(t *testing.T) {
Convey("Test Fibonacci calculator", t, func() {
// Setup dummy server.
m := macaron.New()
m.Use(macaron.Renderer())
m.Use(middleware.Contexter())
m.Get("/fibonacci", v1.Fibonacci)
Convey("Invalid parameters", func() {
Convey("Give a negative number", func() {
resp := httptest.NewRecorder()
req, err := http.NewRequest("GET", "/fibonacci?n=-1", nil)
So(err, ShouldBeNil)
m.ServeHTTP(resp, req)
So(resp.Code, ShouldEqual, 422)
So(resp.Body.String(), ShouldEqual, `{"error":"Unprocessable number: -1"}`)
})
Convey("Give a super large number", func() {
resp := httptest.NewRecorder()
req, err := http.NewRequest("GET", "/fibonacci?n=150", nil)
So(err, ShouldBeNil)
m.ServeHTTP(resp, req)
So(resp.Code, ShouldEqual, 422)
So(resp.Body.String(), ShouldEqual, `{"error":"Unprocessable number: 150"}`)
})
})
Convey("Valid parameters", func() {
// 0
resp := httptest.NewRecorder()
req, err := http.NewRequest("GET", "/fibonacci?n=0", nil)
So(err, ShouldBeNil)
m.ServeHTTP(resp, req)
So(resp.Code, ShouldEqual, 200)
So(resp.Body.String(), ShouldEqual, `{"sequence":[]}`)
// 1
resp = httptest.NewRecorder()
req, err = http.NewRequest("GET", "/fibonacci?n=1", nil)
So(err, ShouldBeNil)
m.ServeHTTP(resp, req)
So(resp.Code, ShouldEqual, 200)
So(resp.Body.String(), ShouldEqual, `{"sequence":[0]}`)
// 2
resp = httptest.NewRecorder()
req, err = http.NewRequest("GET", "/fibonacci?n=2", nil)
So(err, ShouldBeNil)
m.ServeHTTP(resp, req)
So(resp.Code, ShouldEqual, 200)
So(resp.Body.String(), ShouldEqual, `{"sequence":[0,1]}`)
// 5
resp = httptest.NewRecorder()
req, err = http.NewRequest("GET", "/fibonacci?n=5", nil)
So(err, ShouldBeNil)
m.ServeHTTP(resp, req)
So(resp.Code, ShouldEqual, 200)
So(resp.Body.String(), ShouldEqual, `{"sequence":[0,1,1,2,3]}`)
// 10
resp = httptest.NewRecorder()
req, err = http.NewRequest("GET", "/fibonacci?n=10", nil)
So(err, ShouldBeNil)
m.ServeHTTP(resp, req)
So(resp.Code, ShouldEqual, 200)
So(resp.Body.String(), ShouldEqual, `{"sequence":[0,1,1,2,3,5,8,13,21,34]}`)
})
})
}