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New srverrors package added. New error handling added to control package

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This commit is contained in:
Héctor Hurtado
2019-11-18 14:32:41 +01:00
parent 2c32daedcb
commit edff842c3b
4 changed files with 128 additions and 42 deletions
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internal/server/control/control_test.go
+53 -34
View File
@@ -19,6 +19,7 @@ package control
import (
"encoding/json"
"errors"
"fmt"
"io/ioutil"
"net/http"
"net/http/httptest"
@@ -30,9 +31,33 @@ import (
"github.com/gorilla/mux"
"github.com/BBVA/kapow/internal/server/model"
"github.com/BBVA/kapow/internal/server/srverrors"
"github.com/BBVA/kapow/internal/server/user"
)
func checkErrorResponse(r *http.Response, expectedErrcode int, expectedReason string) []error {
errList := make([]error, 0)
if r.StatusCode != expectedErrcode {
errList = append(errList, fmt.Errorf("HTTP status mismatch. Expected: %d, got: %d", expectedErrcode, r.StatusCode))
}
if v := r.Header.Get("Content-Type"); v != "application/json; charset=utf-8" {
errList = append(errList, fmt.Errorf("Content-Type header mismatch. Expected: %q, got: %q", "application/json; charset=utf-8", v))
}
errMsg := srverrors.ServerErrMessage{}
if bodyBytes, err := ioutil.ReadAll(r.Body); err != nil {
errList = append(errList, fmt.Errorf("Unexpected error reading response body: %v", err))
} else if err := json.Unmarshal(bodyBytes, &errMsg); err != nil {
errList = append(errList, fmt.Errorf("Response body contains invalid JSON entity: %v", err))
} else if errMsg.Reason != expectedReason {
errList = append(errList, fmt.Errorf("Unexpected reason in response. Expected: %q, got: %q", expectedReason, errMsg.Reason))
}
return errList
}
func TestConfigRouterHasRoutesWellConfigured(t *testing.T) {
testCases := []struct {
pattern, method string
@@ -101,17 +126,15 @@ func TestAddRouteReturnsBadRequestWhenMalformedJSONBody(t *testing.T) {
req := httptest.NewRequest(http.MethodPost, "/routes", strings.NewReader(reqPayload))
resp := httptest.NewRecorder()
handler := http.HandlerFunc(addRoute)
handler.ServeHTTP(resp, req)
if resp.Code != http.StatusBadRequest {
t.Errorf("HTTP status mismatch. Expected: %d, got: %d", http.StatusBadRequest, resp.Code)
addRoute(resp, req)
for _, e := range checkErrorResponse(resp.Result(), http.StatusBadRequest, "Malformed JSON") {
t.Error(e.Error())
}
}
func TestAddRouteReturns422ErrorWhenMandatoryFieldsMissing(t *testing.T) {
handler := http.HandlerFunc(addRoute)
tc := []struct {
payload, testCase string
testMustFail bool
@@ -167,18 +190,19 @@ func TestAddRouteReturns422ErrorWhenMandatoryFieldsMissing(t *testing.T) {
req := httptest.NewRequest(http.MethodPost, "/routes", strings.NewReader(test.payload))
resp := httptest.NewRecorder()
handler.ServeHTTP(resp, req)
addRoute(resp, req)
r := resp.Result()
if test.testMustFail {
if resp.Code != http.StatusUnprocessableEntity {
t.Errorf("HTTP status mismatch in case %s. Expected: %d, got: %d", test.testCase, http.StatusUnprocessableEntity, resp.Code)
for _, e := range checkErrorResponse(r, http.StatusUnprocessableEntity, "Invalid Route") {
t.Error(e.Error())
}
} else if !test.testMustFail {
if resp.Code != http.StatusCreated {
t.Errorf("HTTP status mismatch in case %s. Expected: %d, got: %d", test.testCase, http.StatusUnprocessableEntity, resp.Code)
if r.StatusCode != http.StatusCreated {
t.Errorf("HTTP status mismatch in case %s. Expected: %d, got: %d", test.testCase, http.StatusUnprocessableEntity, r.StatusCode)
}
if ct := resp.Header().Get("Content-Type"); ct != "application/json" {
t.Errorf("Incorrect content type in response. Expected: application/json, got: %s", ct)
if ct := r.Header.Get("Content-Type"); ct != "application/json" {
t.Errorf("Incorrect content type in response. Expected: application/json, got: %q", ct)
}
}
}
@@ -193,7 +217,6 @@ func TestAddRouteGeneratesRouteID(t *testing.T) {
}`
req := httptest.NewRequest(http.MethodPost, "/routes", strings.NewReader(reqPayload))
resp := httptest.NewRecorder()
handler := http.HandlerFunc(addRoute)
var genID string
funcAdd = func(input model.Route) model.Route {
genID = input.ID
@@ -204,7 +227,7 @@ func TestAddRouteGeneratesRouteID(t *testing.T) {
defer func() { pathValidator = origPathValidator }()
pathValidator = func(path string) error { return nil }
handler.ServeHTTP(resp, req)
addRoute(resp, req)
if _, err := uuid.Parse(genID); err != nil {
t.Error("ID not generated properly")
@@ -220,7 +243,6 @@ func TestAddRoute500sWhenIDGeneratorFails(t *testing.T) {
}`
req := httptest.NewRequest(http.MethodPost, "/routes", strings.NewReader(reqPayload))
resp := httptest.NewRecorder()
handler := http.HandlerFunc(addRoute)
origPathValidator := pathValidator
defer func() { pathValidator = origPathValidator }()
@@ -230,14 +252,13 @@ func TestAddRoute500sWhenIDGeneratorFails(t *testing.T) {
defer func() { idGenerator = idGenOrig }()
idGenerator = func() (uuid.UUID, error) {
var uuid uuid.UUID
return uuid, errors.New(
"End of Time reached; Try again before, or in the next Big Bang cycle")
return uuid, errors.New("End of Time reached; Try again before, or in the next Big Bang cycle")
}
handler.ServeHTTP(resp, req)
addRoute(resp, req)
if resp.Result().StatusCode != http.StatusInternalServerError {
t.Errorf("HTTP status mismatch. Expected: %d, got: %d", http.StatusInternalServerError, resp.Result().StatusCode)
for _, e := range checkErrorResponse(resp.Result(), http.StatusInternalServerError, "Internal Server Error") {
t.Error(e.Error())
}
}
@@ -251,7 +272,6 @@ func TestAddRouteReturnsCreated(t *testing.T) {
req := httptest.NewRequest(http.MethodPost, "/routes", strings.NewReader(reqPayload))
resp := httptest.NewRecorder()
handler := http.HandlerFunc(addRoute)
var genID string
funcAdd = func(input model.Route) model.Route {
expected := model.Route{ID: input.ID, Method: "GET", Pattern: "/hello", Entrypoint: "/bin/sh -c", Command: "echo Hello World | kapow set /response/body"}
@@ -267,7 +287,7 @@ func TestAddRouteReturnsCreated(t *testing.T) {
defer func() { pathValidator = origPathValidator }()
pathValidator = func(path string) error { return nil }
handler.ServeHTTP(resp, req)
addRoute(resp, req)
if resp.Code != http.StatusCreated {
t.Errorf("HTTP status mismatch. Expected: %d, got: %d", http.StatusCreated, resp.Code)
@@ -297,15 +317,14 @@ func TestAddRoute422sWhenInvalidRoute(t *testing.T) {
}`
req := httptest.NewRequest(http.MethodPost, "/routes", strings.NewReader(reqPayload))
resp := httptest.NewRecorder()
handler := http.HandlerFunc(addRoute)
origPathValidator := pathValidator
defer func() { pathValidator = origPathValidator }()
pathValidator = func(path string) error { return errors.New("Invalid route") }
handler.ServeHTTP(resp, req)
addRoute(resp, req)
if resp.Code != http.StatusUnprocessableEntity {
t.Error("Invalid route registered")
for _, e := range checkErrorResponse(resp.Result(), http.StatusUnprocessableEntity, "Invalid Route") {
t.Error(e.Error())
}
}
@@ -315,7 +334,6 @@ func TestRemoveRouteReturnsNotFound(t *testing.T) {
handler := mux.NewRouter()
handler.HandleFunc("/routes/{id}", removeRoute).
Methods("DELETE")
funcRemove = func(id string) error {
if id == "ROUTE_XXXXXXXXXXXXXXXXXX" {
return errors.New(id)
@@ -325,8 +343,9 @@ func TestRemoveRouteReturnsNotFound(t *testing.T) {
}
handler.ServeHTTP(resp, req)
if resp.Code != http.StatusNotFound {
t.Errorf("HTTP status mismatch. Expected: %d, got: %d", http.StatusNotFound, resp.Code)
for _, e := range checkErrorResponse(resp.Result(), http.StatusNotFound, "Route Not Found") {
t.Error(e.Error())
}
}
@@ -345,6 +364,7 @@ func TestRemoveRouteReturnsNoContent(t *testing.T) {
}
handler.ServeHTTP(resp, req)
if resp.Code != http.StatusNoContent {
t.Errorf("HTTP status mismatch. Expected: %d, got: %d", http.StatusNoContent, resp.Code)
}
@@ -415,13 +435,12 @@ func TestGetRouteReturns404sWhenRouteDoesntExist(t *testing.T) {
handler.ServeHTTP(w, r)
resp := w.Result()
if resp.StatusCode != http.StatusNotFound {
t.Errorf("HTTP status mismatch. Expected: %d, got: %d", http.StatusNotFound, resp.StatusCode)
for _, e := range checkErrorResponse(w.Result(), http.StatusNotFound, "Route Not Found") {
t.Error(e.Error())
}
}
func TestGetRouteSetsCorrctContentType(t *testing.T) {
func TestGetRouteSetsCorrectContentType(t *testing.T) {
handler := mux.NewRouter()
handler.HandleFunc("/routes/{id}", getRoute).
Methods("GET")