lambdarouter/router_test.go

131 lines
4.3 KiB
Go

package lambdarouter
import (
"errors"
"net/http"
"testing"
"github.com/aws/aws-lambda-go/events"
. "github.com/smartystreets/goconvey/convey"
)
func TestRouterSpec(t *testing.T) {
Convey("Given an instantiated router", t, func() {
request := events.APIGatewayProxyRequest{}
rtr := NewAPIGRouter(&request, "shipping")
Convey("When the handler func does NOT return an error", func() {
hdlrfunc := func(req *APIGRequest, res *APIGResponse) {
res.Status = http.StatusOK
res.Body = []byte("hello")
res.Err = nil
}
Convey("And a Get handler expecting the pattern /orders/filter/by_user/{id} is defined", func() {
rtr.Get("/orders/filter/by_user/{id}", hdlrfunc)
rtr.Post("/orders", func(req *APIGRequest, res *APIGResponse) {})
rtr.Put("/orders", func(req *APIGRequest, res *APIGResponse) {})
rtr.Patch("/orders", func(req *APIGRequest, res *APIGResponse) {})
rtr.Delete("/orders/{id}", func(req *APIGRequest, res *APIGResponse) {})
Convey("And the request matches the pattern and the path params are filled", func() {
request.HTTPMethod = http.MethodGet
request.Path = "/shipping/orders/filter/by_user/4d50ff90-66e3-4047-bf37-0ca25837e41d"
request.PathParameters = map[string]string{
"id": "4d50ff90-66e3-4047-bf37-0ca25837e41d",
}
request.RequestContext.Authorizer = map[string]interface{}{
"claims": map[string]interface{}{
"cognito:username": "mitchell",
},
}
Convey("The router will return the expected status and body", func() {
response := rtr.Respond()
So(response.StatusCode, ShouldEqual, http.StatusOK)
So(response.Body, ShouldEqual, "hello")
})
})
Convey("And the request does NOT match the pattern", func() {
request.HTTPMethod = http.MethodGet
request.Path = "/orders/filter"
Convey("The router will return and error body and a not found status", func() {
response := rtr.Respond()
So(response.StatusCode, ShouldEqual, http.StatusNotFound)
So(response.Body, ShouldEqual, "{\"error\":\"no route matching path found\"}")
})
})
Convey("And a Get handler expecting the pattern /orders/filter/by_user/{id} is defined AGAIN", func() {
So(func() {
rtr.Get("/orders/filter/by_user/{id}", hdlrfunc)
}, ShouldPanicWith, "endpoint already existent")
})
})
})
Convey("When the handler func does return a record not found", func() {
hdlrfunc := func(req *APIGRequest, res *APIGResponse) {
res.Status = http.StatusBadRequest
res.Body = []byte("hello")
res.Err = errors.New("record not found")
}
Convey("And a Get handler expecting the pattern /orders/filter/by_user/{id} is defined", func() {
rtr.Get("/orders/filter/by_user/{id}", hdlrfunc)
Convey("And the request matches the pattern and the path params are filled", func() {
request.HTTPMethod = http.MethodGet
request.Path = "/shipping/orders/filter/by_user/4d50ff90-66e3-4047-bf37-0ca25837e41d"
request.PathParameters = map[string]string{
"id": "4d50ff90-66e3-4047-bf37-0ca25837e41d",
}
Convey("The router will return the expected status and body", func() {
response := rtr.Respond()
So(response.StatusCode, ShouldEqual, http.StatusNoContent)
So(response.Body, ShouldEqual, "{\"error\":\"record not found\"}")
})
})
})
})
Convey("When the handler func does return a status < 400", func() {
hdlrfunc := func(req *APIGRequest, res *APIGResponse) {
res.Status = http.StatusOK
res.Body = []byte("hello")
res.Err = errors.New("bad request")
}
Convey("And a Get handler expecting the pattern /orders/filter/by_user/{id} is defined", func() {
rtr.Get("/orders/filter/by_user/{id}", hdlrfunc)
Convey("And the request matches the pattern and the path params are filled", func() {
request.HTTPMethod = http.MethodGet
request.Path = "/shipping/orders/filter/by_user/4d50ff90-66e3-4047-bf37-0ca25837e41d"
request.PathParameters = map[string]string{
"id": "4d50ff90-66e3-4047-bf37-0ca25837e41d",
}
Convey("The router will return the expected status and body", func() {
response := rtr.Respond()
So(response.StatusCode, ShouldEqual, http.StatusBadRequest)
So(response.Body, ShouldEqual, "{\"error\":\"bad request\"}")
})
})
})
})
})
}