mirror of
https://github.com/fnproject/fn.git
synced 2022-10-28 21:29:17 +03:00
b1938c1cbf
Clone of the trigger work to inject invoke urls into the annotations on a fn when it is returned from the server. Small changes to trigges code following code review of the fn code.
310 lines
12 KiB
Go
310 lines
12 KiB
Go
package server
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import (
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"bytes"
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"context"
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"crypto/rand"
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"encoding/base64"
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"encoding/json"
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"errors"
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"io"
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"net/http"
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"net/http/httptest"
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"net/url"
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"os"
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"strconv"
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"strings"
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"testing"
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"github.com/fnproject/fn/api/agent"
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_ "github.com/fnproject/fn/api/agent/drivers/docker"
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"github.com/fnproject/fn/api/datastore"
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"github.com/fnproject/fn/api/datastore/sql"
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_ "github.com/fnproject/fn/api/datastore/sql/sqlite"
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"github.com/fnproject/fn/api/logs"
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"github.com/fnproject/fn/api/models"
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"github.com/fnproject/fn/api/mqs"
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"github.com/gin-gonic/gin"
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)
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var tmpDatastoreTests = "/tmp/func_test_datastore.db"
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func testServer(ds models.Datastore, mq models.MessageQueue, logDB models.LogStore, rnr agent.Agent, nodeType NodeType, opts ...Option) *Server {
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return New(context.Background(), append(opts,
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WithLogLevel(getEnv(EnvLogLevel, DefaultLogLevel)),
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WithDatastore(ds),
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WithMQ(mq),
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WithLogstore(logDB),
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WithAgent(rnr),
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WithType(nodeType),
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WithTriggerAnnotator(NewRequestBasedTriggerAnnotator()),
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WithFnAnnotator(NewRequestBasedFnAnnotator()),
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)...)
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}
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func createRequest(t *testing.T, method, path string, body io.Reader) *http.Request {
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bodyLen := int64(0)
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// HACK: derive content-length since protocol/http does not add content-length
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// if it's not present.
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if body != nil {
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buf := &bytes.Buffer{}
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nRead, err := io.Copy(buf, body)
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if err != nil {
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t.Fatalf("Test: Could not copy %s request body to %s: %v", method, path, err)
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}
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bodyLen = nRead
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body = buf
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}
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req, err := http.NewRequest(method, "http://127.0.0.1:8080"+path, body)
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if err != nil {
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t.Fatalf("Test: Could not create %s request to %s: %v", method, path, err)
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}
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if body != nil {
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req.ContentLength = bodyLen
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req.Header.Set("Content-Length", strconv.FormatInt(bodyLen, 10))
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}
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return req
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}
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func routerRequest(t *testing.T, router *gin.Engine, method, path string, body io.Reader) (*http.Request, *httptest.ResponseRecorder) {
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req := createRequest(t, method, path, body)
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return routerRequest2(t, router, req)
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}
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func routerRequest2(_ *testing.T, router *gin.Engine, req *http.Request) (*http.Request, *httptest.ResponseRecorder) {
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rec := httptest.NewRecorder()
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rec.Body = new(bytes.Buffer)
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router.ServeHTTP(rec, req)
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return req, rec
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}
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func newRouterRequest(t *testing.T, method, path string, body io.Reader) (*http.Request, *httptest.ResponseRecorder) {
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req := createRequest(t, method, path, body)
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rec := httptest.NewRecorder()
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rec.Body = new(bytes.Buffer)
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return req, rec
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}
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func getV1ErrorResponse(t *testing.T, rec *httptest.ResponseRecorder) *models.ErrorWrapper {
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var err models.ErrorWrapper
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decodeErr := json.NewDecoder(rec.Body).Decode(&err)
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if decodeErr != nil {
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t.Error("Test: Expected not empty response body")
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}
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return &err
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}
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func getErrorResponse(t *testing.T, rec *httptest.ResponseRecorder) *models.Error {
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var err models.Error
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decodeErr := json.NewDecoder(rec.Body).Decode(&err)
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if decodeErr != nil {
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t.Error("Test: Expected not empty response body")
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}
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return &err
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}
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func prepareDB(ctx context.Context, t *testing.T) (models.Datastore, models.LogStore, func()) {
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os.Remove(tmpDatastoreTests)
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uri, err := url.Parse("sqlite3://" + tmpDatastoreTests)
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if err != nil {
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t.Fatal(err)
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}
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ss, err := sql.New(ctx, uri)
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if err != nil {
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t.Fatalf("Error when creating datastore: %s", err)
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}
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logDB := logs.Wrap(ss)
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ds := datastore.Wrap(ss)
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return ds, logDB, func() {
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os.Remove(tmpDatastoreTests)
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}
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}
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func TestFullStack(t *testing.T) {
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ctx := context.Background()
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buf := setLogBuffer()
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ds, logDB, close := prepareDB(ctx, t)
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defer close()
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rnr, rnrcancel := testRunner(t, ds)
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defer rnrcancel()
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srv := testServer(ds, &mqs.Mock{}, logDB, rnr, ServerTypeFull, LimitRequestBody(32256))
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var bigbufa [32257]byte
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rand.Read(bigbufa[:])
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bigbuf := base64.StdEncoding.EncodeToString(bigbufa[:]) // this will be > bigbufa, but json compatible
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toobigerr := errors.New("Content-Length too large for this server")
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gatewayerr := errors.New("container exit code")
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for _, test := range []struct {
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name string
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method string
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path string
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body string
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expectedCode int
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expectedCacheSize int // TODO kill me
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expectedError error
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}{
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{"create my app", "POST", "/v1/apps", `{ "app": { "name": "myapp" } }`, http.StatusOK, 0, nil},
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{"list apps", "GET", "/v1/apps", ``, http.StatusOK, 0, nil},
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{"get app", "GET", "/v1/apps/myapp", ``, http.StatusOK, 0, nil},
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// NOTE: cache is lazy, loads when a request comes in for the route, not when added
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{"add myroute", "POST", "/v1/apps/myapp/routes", `{ "route": { "name": "myroute", "path": "/myroute", "image": "fnproject/fn-test-utils", "type": "sync" } }`, http.StatusOK, 0, nil},
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{"add myroute2", "POST", "/v1/apps/myapp/routes", `{ "route": { "name": "myroute2", "path": "/myroute2", "image": "fnproject/fn-test-utils", "type": "sync" } }`, http.StatusOK, 0, nil},
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{"get myroute", "GET", "/v1/apps/myapp/routes/myroute", ``, http.StatusOK, 0, nil},
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{"get myroute2", "GET", "/v1/apps/myapp/routes/myroute2", ``, http.StatusOK, 0, nil},
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{"get all routes", "GET", "/v1/apps/myapp/routes", ``, http.StatusOK, 0, nil},
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{"execute myroute", "POST", "/r/myapp/myroute", `{ "echoContent": "Teste" }`, http.StatusOK, 1, nil},
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// fails
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{"execute myroute2", "POST", "/r/myapp/myroute2", `{"sleepTime": 0, "isDebug": true, "isCrash": true}`, http.StatusBadGateway, 2, gatewayerr},
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{"request body too large", "POST", "/r/myapp/myroute", bigbuf, http.StatusRequestEntityTooLarge, 0, toobigerr},
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{"get myroute2", "GET", "/v1/apps/myapp/routes/myroute2", ``, http.StatusOK, 2, nil},
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{"delete myroute", "DELETE", "/v1/apps/myapp/routes/myroute", ``, http.StatusOK, 1, nil},
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{"delete myroute2", "DELETE", "/v1/apps/myapp/routes/myroute2", ``, http.StatusOK, 0, nil},
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{"delete app (success)", "DELETE", "/v1/apps/myapp", ``, http.StatusOK, 0, nil},
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{"get deleted app", "GET", "/v1/apps/myapp", ``, http.StatusNotFound, 0, models.ErrAppsNotFound},
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{"get deleteds route on deleted app", "GET", "/v1/apps/myapp/routes/myroute", ``, http.StatusNotFound, 0, models.ErrAppsNotFound},
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} {
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t.Run(test.name, func(t *testing.T) {
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_, rec := routerRequest(t, srv.Router, test.method, test.path, bytes.NewBuffer([]byte(test.body)))
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if rec.Code != test.expectedCode {
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t.Log(buf.String())
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t.Log(rec.Body.String())
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t.Errorf("Test \"%s\": Expected status code to be %d but was %d",
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test.name, test.expectedCode, rec.Code)
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}
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if rec.Code > 300 && test.expectedError == nil {
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t.Log(buf.String())
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t.Error("got error when not expected error", rec.Body.String())
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} else if test.expectedError != nil {
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if !strings.Contains(rec.Body.String(), test.expectedError.Error()) {
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t.Log(buf.String())
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t.Errorf("Test %s: Expected error message to have `%s`, but got `%s`",
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test.name, test.expectedError.Error(), rec.Body.String())
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}
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}
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})
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}
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}
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func TestRunnerNode(t *testing.T) {
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ctx := context.Background()
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buf := setLogBuffer()
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ds, logDB, close := prepareDB(ctx, t)
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defer close()
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rnr, rnrcancel := testRunner(t, ds)
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defer rnrcancel()
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// Add route with an API server using the same DB
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{
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apiServer := testServer(ds, &mqs.Mock{}, logDB, nil, ServerTypeAPI)
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_, rec := routerRequest(t, apiServer.Router, "POST", "/v1/apps/myapp/routes", bytes.NewBuffer([]byte(`{ "route": { "name": "myroute", "path": "/myroute", "image": "fnproject/fn-test-utils", "type": "sync" } }`)))
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if rec.Code != http.StatusOK {
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t.Errorf("Expected status code 200 when creating sync route, but got %d", rec.Code)
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}
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_, rec = routerRequest(t, apiServer.Router, "POST", "/v1/apps/myapp/routes", bytes.NewBuffer([]byte(`{ "route": { "name": "myasyncroute", "path": "/myasyncroute", "image": "fnproject/fn-test-utils", "type": "async" } }`)))
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if rec.Code != http.StatusOK {
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t.Errorf("Expected status code 200 when creating async route, but got %d", rec.Code)
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}
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}
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srv := testServer(ds, &mqs.Mock{}, logDB, rnr, ServerTypeRunner)
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for _, test := range []struct {
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name string
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method string
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path string
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body string
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expectedCode int
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expectedCacheSize int // TODO kill me
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}{
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// Support sync and async API calls
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{"execute sync route succeeds", "POST", "/r/myapp/myroute", `{ "echoContent": "Teste" }`, http.StatusOK, 1},
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{"execute async route succeeds", "POST", "/r/myapp/myasyncroute", `{ "echoContent": "Teste" }`, http.StatusAccepted, 1},
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// All other API functions should not be available on runner nodes
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{"create app not found", "POST", "/v1/apps", `{ "app": { "name": "myapp" } }`, http.StatusBadRequest, 0},
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{"list apps not found", "GET", "/v1/apps", ``, http.StatusBadRequest, 0},
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{"get app not found", "GET", "/v1/apps/myapp", ``, http.StatusBadRequest, 0},
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{"add route not found", "POST", "/v1/apps/myapp/routes", `{ "route": { "name": "myroute", "path": "/myroute", "image": "fnproject/fn-test-utils", "type": "sync" } }`, http.StatusBadRequest, 0},
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{"get route not found", "GET", "/v1/apps/myapp/routes/myroute", ``, http.StatusBadRequest, 0},
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{"get all routes not found", "GET", "/v1/apps/myapp/routes", ``, http.StatusBadRequest, 0},
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{"delete app not found", "DELETE", "/v1/apps/myapp", ``, http.StatusBadRequest, 0},
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} {
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t.Run(test.name, func(t *testing.T) {
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_, rec := routerRequest(t, srv.Router, test.method, test.path, bytes.NewBuffer([]byte(test.body)))
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if rec.Code != test.expectedCode {
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t.Log(buf.String())
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t.Errorf("Test \"%s\": Expected status code to be %d but was %d",
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test.name, test.expectedCode, rec.Code)
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}
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})
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}
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}
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func TestApiNode(t *testing.T) {
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ctx := context.Background()
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buf := setLogBuffer()
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ds, logDB, close := prepareDB(ctx, t)
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defer close()
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srv := testServer(ds, &mqs.Mock{}, logDB, nil, ServerTypeAPI)
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for _, test := range []struct {
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name string
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method string
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path string
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body string
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expectedCode int
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expectedCacheSize int // TODO kill me
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}{
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// All routes should be supported
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{"create my app", "POST", "/v1/apps", `{ "app": { "name": "myapp" } }`, http.StatusOK, 0},
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{"list apps", "GET", "/v1/apps", ``, http.StatusOK, 0},
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{"get app", "GET", "/v1/apps/myapp", ``, http.StatusOK, 0},
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{"add myroute", "POST", "/v1/apps/myapp/routes", `{ "route": { "name": "myroute", "path": "/myroute", "image": "fnproject/fn-test-utils", "type": "sync" } }`, http.StatusOK, 0},
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{"add myroute2", "POST", "/v1/apps/myapp/routes", `{ "route": { "name": "myroute2", "path": "/myroute2", "image": "fnproject/fn-test-utils", "type": "sync" } }`, http.StatusOK, 0},
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{"add myasyncroute", "POST", "/v1/apps/myapp/routes", `{ "route": { "name": "myasyncroute", "path": "/myasyncroute", "image": "fnproject/fn-test-utils", "type": "async" } }`, http.StatusOK, 0},
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{"get myroute", "GET", "/v1/apps/myapp/routes/myroute", ``, http.StatusOK, 0},
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{"get myroute2", "GET", "/v1/apps/myapp/routes/myroute2", ``, http.StatusOK, 0},
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{"get all routes", "GET", "/v1/apps/myapp/routes", ``, http.StatusOK, 0},
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// Don't support calling sync or async
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{"execute myroute", "POST", "/r/myapp/myroute", `{ "echoContent": "Teste" }`, http.StatusBadRequest, 1},
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{"execute myroute2", "POST", "/r/myapp/myroute2", `{ "echoContent": "Teste" }`, http.StatusBadRequest, 2},
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{"execute myasyncroute", "POST", "/r/myapp/myasyncroute", `{ "echoContent": "Teste" }`, http.StatusBadRequest, 1},
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{"get myroute2", "GET", "/v1/apps/myapp/routes/myroute2", ``, http.StatusOK, 2},
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{"delete myroute", "DELETE", "/v1/apps/myapp/routes/myroute", ``, http.StatusOK, 1},
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{"delete myroute2", "DELETE", "/v1/apps/myapp/routes/myroute2", ``, http.StatusOK, 0},
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{"delete app (success)", "DELETE", "/v1/apps/myapp", ``, http.StatusOK, 0},
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{"get deleted app", "GET", "/v1/apps/myapp", ``, http.StatusNotFound, 0},
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{"get deleted route on deleted app", "GET", "/v1/apps/myapp/routes/myroute", ``, http.StatusNotFound, 0},
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} {
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_, rec := routerRequest(t, srv.Router, test.method, test.path, bytes.NewBuffer([]byte(test.body)))
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if rec.Code != test.expectedCode {
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t.Log(buf.String())
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t.Errorf("Test \"%s\": Expected status code to be %d but was %d",
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test.name, test.expectedCode, rec.Code)
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}
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}
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}
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