mirror of
https://github.com/fnproject/fn.git
synced 2022-10-28 21:29:17 +03:00
aa13a40168
1) Early call validation and return due to cpu/mem impossible to meet (eg. request cpu/mem larger than max-mem or max-cpu on server) now emits HTTP Bad Request (400) instead of 503. This case is most likely due to client/service configuration and/or validation issue. 2) 'failed' metric is now removed. 'failed' versus 'errors' were too confusing. 'errors' is now a catch all error case. 3) new 'canceled' counter for client side cancels. 4) 'server_busy' now covers more cases than it previously did.
491 lines
18 KiB
Go
491 lines
18 KiB
Go
package server
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import (
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"bytes"
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"fmt"
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"io/ioutil"
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"net/http"
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"strings"
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"testing"
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"github.com/fnproject/fn/api/datastore"
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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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)
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// TODO Deprecate with Routes
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func TestRouteRunnerGet(t *testing.T) {
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buf := setLogBuffer()
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app := &models.App{ID: "app_id", Name: "myapp", Config: models.Config{}}
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ds := datastore.NewMockInit(
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[]*models.App{app},
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)
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rnr, cancel := testRunner(t, ds)
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defer cancel()
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logDB := logs.NewMock()
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srv := testServer(ds, &mqs.Mock{}, logDB, rnr, ServerTypeFull)
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for i, test := range []struct {
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path string
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body string
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expectedCode int
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expectedError error
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}{
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{"/route", "", http.StatusNotFound, nil},
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{"/r/app/route", "", http.StatusNotFound, models.ErrAppsNotFound},
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{"/r/myapp/route", "", http.StatusNotFound, models.ErrRoutesNotFound},
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} {
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_, rec := routerRequest(t, srv.Router, "GET", test.path, nil)
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if rec.Code != test.expectedCode {
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t.Log(buf.String())
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t.Errorf("Test %d: Expected status code for path %s to be %d but was %d",
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i, test.path, test.expectedCode, rec.Code)
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}
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if test.expectedError != nil {
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resp := getV1ErrorResponse(t, rec)
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if !strings.Contains(resp.Error.Message, test.expectedError.Error()) {
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t.Log(buf.String())
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t.Errorf("Test %d: Expected error message to have `%s`, but got `%s`",
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i, test.expectedError.Error(), resp.Error.Message)
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}
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}
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}
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}
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func TestRouteRunnerPost(t *testing.T) {
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buf := setLogBuffer()
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app := &models.App{ID: "app_id", Name: "myapp", Config: models.Config{}}
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ds := datastore.NewMockInit(
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[]*models.App{app},
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)
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rnr, cancel := testRunner(t, ds)
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defer cancel()
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fnl := logs.NewMock()
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srv := testServer(ds, &mqs.Mock{}, fnl, rnr, ServerTypeFull)
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for i, test := range []struct {
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path string
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body string
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expectedCode int
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expectedError error
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}{
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{"/route", `{ "payload": "" }`, http.StatusNotFound, nil},
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{"/r/app/route", `{ "payload": "" }`, http.StatusNotFound, models.ErrAppsNotFound},
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{"/r/myapp/route", `{ "payload": "" }`, http.StatusNotFound, models.ErrRoutesNotFound},
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} {
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body := bytes.NewBuffer([]byte(test.body))
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_, rec := routerRequest(t, srv.Router, "POST", test.path, 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 %d: Expected status code for path %s to be %d but was %d",
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i, test.path, test.expectedCode, rec.Code)
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}
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if test.expectedError != nil {
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resp := getV1ErrorResponse(t, rec)
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respMsg := resp.Error.Message
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expMsg := test.expectedError.Error()
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if respMsg != expMsg && !strings.Contains(respMsg, expMsg) {
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t.Log(buf.String())
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t.Errorf("Test %d: Expected error message to have `%s`",
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i, test.expectedError.Error())
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}
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}
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}
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}
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func TestRouteRunnerExecEmptyBody(t *testing.T) {
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buf := setLogBuffer()
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isFailure := false
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defer func() {
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if isFailure {
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t.Log(buf.String())
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}
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}()
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rCfg := map[string]string{"ENABLE_HEADER": "yes", "ENABLE_FOOTER": "yes"} // enable container start/end header/footer
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rHdr := map[string][]string{"X-Function": {"Test"}}
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rImg := "fnproject/fn-test-utils"
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app := &models.App{ID: "app_id", Name: "soup"}
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ds := datastore.NewMockInit(
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[]*models.App{app},
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[]*models.Route{
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{Path: "/cold", AppID: app.ID, Image: rImg, Type: "sync", Memory: 64, Timeout: 10, IdleTimeout: 20, Headers: rHdr, Config: rCfg},
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{Path: "/hothttp", AppID: app.ID, Image: rImg, Type: "sync", Format: "http", Memory: 64, Timeout: 10, IdleTimeout: 20, Headers: rHdr, Config: rCfg},
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{Path: "/hotjson", AppID: app.ID, Image: rImg, Type: "sync", Format: "json", Memory: 64, Timeout: 10, IdleTimeout: 20, Headers: rHdr, Config: rCfg},
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},
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)
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ls := logs.NewMock()
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rnr, cancelrnr := testRunner(t, ds, ls)
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defer cancelrnr()
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srv := testServer(ds, &mqs.Mock{}, ls, rnr, ServerTypeFull)
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expHeaders := map[string][]string{"X-Function": {"Test"}}
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emptyBody := `{"echoContent": "_TRX_ID_", "isDebug": true, "isEmptyBody": true}`
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// Test hot cases twice to rule out hot-containers corrupting next request.
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testCases := []struct {
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path string
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}{
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{"/r/soup/cold/"},
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{"/r/soup/hothttp"},
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{"/r/soup/hothttp"},
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{"/r/soup/hotjson"},
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{"/r/soup/hotjson"},
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}
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for i, test := range testCases {
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trx := fmt.Sprintf("_trx_%d_", i)
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body := strings.NewReader(strings.Replace(emptyBody, "_TRX_ID_", trx, 1))
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_, rec := routerRequest(t, srv.Router, "GET", test.path, body)
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respBytes, _ := ioutil.ReadAll(rec.Body)
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respBody := string(respBytes)
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maxBody := len(respBody)
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if maxBody > 1024 {
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maxBody = 1024
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}
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if rec.Code != http.StatusOK {
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isFailure = true
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t.Errorf("Test %d: Expected status code to be %d but was %d. body: %s",
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i, http.StatusOK, rec.Code, respBody[:maxBody])
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} else if len(respBytes) != 0 {
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isFailure = true
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t.Errorf("Test %d: Expected empty body but got %d. body: %s",
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i, len(respBytes), respBody[:maxBody])
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}
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for name, header := range expHeaders {
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if header[0] != rec.Header().Get(name) {
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isFailure = true
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t.Errorf("Test %d: Expected header `%s` to be %s but was %s. body: %s",
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i, name, header[0], rec.Header().Get(name), respBody)
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}
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}
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}
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}
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func TestRouteRunnerExecution(t *testing.T) {
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buf := setLogBuffer()
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isFailure := false
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tweaker := envTweaker("FN_MAX_RESPONSE_SIZE", "2048")
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defer tweaker()
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// Log once after we are done, flow of events are important (hot/cold containers, idle timeout, etc.)
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// for figuring out why things failed.
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defer func() {
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if isFailure {
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t.Log(buf.String())
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}
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}()
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rCfg := map[string]string{"ENABLE_HEADER": "yes", "ENABLE_FOOTER": "yes"} // enable container start/end header/footer
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rHdr := map[string][]string{"X-Function": {"Test"}}
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rImg := "fnproject/fn-test-utils"
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rImgBs1 := "fnproject/imagethatdoesnotexist"
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rImgBs2 := "localhost:5050/fnproject/imagethatdoesnotexist"
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app := &models.App{ID: "app_id", Name: "myapp"}
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ds := datastore.NewMockInit(
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[]*models.App{app},
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[]*models.Route{
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{Path: "/", AppID: app.ID, Image: rImg, Type: "sync", Memory: 64, Timeout: 30, IdleTimeout: 30, Headers: rHdr, Config: rCfg},
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{Path: "/myhot", AppID: app.ID, Image: rImg, Type: "sync", Format: "http", Memory: 64, Timeout: 30, IdleTimeout: 30, Headers: rHdr, Config: rCfg},
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{Path: "/myhotjason", AppID: app.ID, Image: rImg, Type: "sync", Format: "json", Memory: 64, Timeout: 30, IdleTimeout: 30, Headers: rHdr, Config: rCfg},
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{Path: "/myroute", AppID: app.ID, Image: rImg, Type: "sync", Memory: 64, Timeout: 30, IdleTimeout: 30, Headers: rHdr, Config: rCfg},
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{Path: "/myerror", AppID: app.ID, Image: rImg, Type: "sync", Memory: 64, Timeout: 30, IdleTimeout: 30, Headers: rHdr, Config: rCfg},
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{Path: "/mydne", AppID: app.ID, Image: rImgBs1, Type: "sync", Memory: 64, Timeout: 30, IdleTimeout: 30, Headers: rHdr, Config: rCfg},
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{Path: "/mydnehot", AppID: app.ID, Image: rImgBs1, Type: "sync", Format: "http", Memory: 64, Timeout: 30, IdleTimeout: 30, Headers: rHdr, Config: rCfg},
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{Path: "/mydneregistry", AppID: app.ID, Image: rImgBs2, Type: "sync", Format: "http", Memory: 64, Timeout: 30, IdleTimeout: 30, Headers: rHdr, Config: rCfg},
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{Path: "/myoom", AppID: app.ID, Image: rImg, Type: "sync", Memory: 8, Timeout: 30, IdleTimeout: 30, Headers: rHdr, Config: rCfg},
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{Path: "/mybigoutputcold", AppID: app.ID, Image: rImg, Type: "sync", Memory: 64, Timeout: 10, IdleTimeout: 20, Headers: rHdr, Config: rCfg},
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{Path: "/mybigoutputhttp", AppID: app.ID, Image: rImg, Type: "sync", Format: "http", Memory: 64, Timeout: 10, IdleTimeout: 20, Headers: rHdr, Config: rCfg},
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{Path: "/mybigoutputjson", AppID: app.ID, Image: rImg, Type: "sync", Format: "json", Memory: 64, Timeout: 10, IdleTimeout: 20, Headers: rHdr, Config: rCfg},
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},
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)
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ls := logs.NewMock()
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rnr, cancelrnr := testRunner(t, ds, ls)
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defer cancelrnr()
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srv := testServer(ds, &mqs.Mock{}, ls, rnr, ServerTypeFull)
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expHeaders := map[string][]string{"X-Function": {"Test"}, "Content-Type": {"application/json; charset=utf-8"}}
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expCTHeaders := map[string][]string{"X-Function": {"Test"}, "Content-Type": {"foo/bar"}}
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// Checking for EndOfLogs currently depends on scheduling of go-routines (in docker/containerd) that process stderr & stdout.
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// Therefore, not testing for EndOfLogs for hot containers (which has complex I/O processing) anymore.
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multiLogExpectCold := []string{"BeginOfLogs", "EndOfLogs"}
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multiLogExpectHot := []string{"BeginOfLogs" /*, "EndOfLogs" */}
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crasher := `{"echoContent": "_TRX_ID_", "isDebug": true, "isCrash": true}` // crash container
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oomer := `{"echoContent": "_TRX_ID_", "isDebug": true, "allocateMemory": 12000000}` // ask for 12MB
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badHot := `{"echoContent": "_TRX_ID_", "invalidResponse": true, "isDebug": true}` // write a not json/http as output
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ok := `{"echoContent": "_TRX_ID_", "isDebug": true}` // good response / ok
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respTypeLie := `{"echoContent": "_TRX_ID_", "responseContentType": "foo/bar", "isDebug": true}` // Content-Type: foo/bar
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respTypeJason := `{"echoContent": "_TRX_ID_", "jasonContentType": "foo/bar", "isDebug": true}` // Content-Type: foo/bar
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// sleep between logs and with debug enabled, fn-test-utils will log header/footer below:
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multiLog := `{"echoContent": "_TRX_ID_", "sleepTime": 1000, "isDebug": true}`
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bigoutput := `{"echoContent": "_TRX_ID_", "isDebug": true, "trailerRepeat": 1000}` // 1000 trailers to exceed 2K
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smalloutput := `{"echoContent": "_TRX_ID_", "isDebug": true, "trailerRepeat": 1}` // 1 trailer < 2K
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testCases := []struct {
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path string
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body string
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method string
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expectedCode int
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expectedHeaders map[string][]string
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expectedErrSubStr string
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expectedLogsSubStr []string
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}{
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{"/r/myapp/", ok, "GET", http.StatusOK, expHeaders, "", nil},
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{"/r/myapp/myhot", badHot, "GET", http.StatusBadGateway, expHeaders, "invalid http response", nil},
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// hot container now back to normal:
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{"/r/myapp/myhot", ok, "GET", http.StatusOK, expHeaders, "", nil},
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{"/r/myapp/myhotjason", badHot, "GET", http.StatusBadGateway, expHeaders, "invalid json response", nil},
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// hot container now back to normal:
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{"/r/myapp/myhotjason", ok, "GET", http.StatusOK, expHeaders, "", nil},
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{"/r/myapp/myhot", respTypeLie, "GET", http.StatusOK, expCTHeaders, "", nil},
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{"/r/myapp/myhotjason", respTypeLie, "GET", http.StatusOK, expCTHeaders, "", nil},
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{"/r/myapp/myhotjason", respTypeJason, "GET", http.StatusOK, expCTHeaders, "", nil},
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{"/r/myapp/myroute", ok, "GET", http.StatusOK, expHeaders, "", nil},
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{"/r/myapp/myerror", crasher, "GET", http.StatusBadGateway, expHeaders, "container exit code 2", nil},
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{"/r/myapp/mydne", ``, "GET", http.StatusNotFound, nil, "pull access denied", nil},
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{"/r/myapp/mydnehot", ``, "GET", http.StatusNotFound, nil, "pull access denied", nil},
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// hit a registry that doesn't exist, make sure the real error body gets plumbed out
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{"/r/myapp/mydneregistry", ``, "GET", http.StatusInternalServerError, nil, "connection refused", nil},
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{"/r/myapp/myoom", oomer, "GET", http.StatusBadGateway, nil, "container out of memory", nil},
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{"/r/myapp/myhot", multiLog, "GET", http.StatusOK, nil, "", multiLogExpectHot},
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{"/r/myapp/", multiLog, "GET", http.StatusOK, nil, "", multiLogExpectCold},
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{"/r/myapp/mybigoutputjson", bigoutput, "GET", http.StatusBadGateway, nil, "function response too large", nil},
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{"/r/myapp/mybigoutputjson", smalloutput, "GET", http.StatusOK, nil, "", nil},
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{"/r/myapp/mybigoutputhttp", bigoutput, "GET", http.StatusBadGateway, nil, "", nil},
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{"/r/myapp/mybigoutputhttp", smalloutput, "GET", http.StatusOK, nil, "", nil},
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{"/r/myapp/mybigoutputcold", bigoutput, "GET", http.StatusBadGateway, nil, "", nil},
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{"/r/myapp/mybigoutputcold", smalloutput, "GET", http.StatusOK, nil, "", nil},
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}
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callIds := make([]string, len(testCases))
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for i, test := range testCases {
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trx := fmt.Sprintf("_trx_%d_", i)
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body := strings.NewReader(strings.Replace(test.body, "_TRX_ID_", trx, 1))
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_, rec := routerRequest(t, srv.Router, test.method, test.path, body)
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respBytes, _ := ioutil.ReadAll(rec.Body)
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respBody := string(respBytes)
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maxBody := len(respBody)
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if maxBody > 1024 {
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maxBody = 1024
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}
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callIds[i] = rec.Header().Get("Fn_call_id")
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if rec.Code != test.expectedCode {
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isFailure = true
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t.Errorf("Test %d: Expected status code to be %d but was %d. body: %s",
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i, test.expectedCode, rec.Code, respBody[:maxBody])
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}
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if rec.Code == http.StatusOK && !strings.Contains(respBody, trx) {
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isFailure = true
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t.Errorf("Test %d: Expected response to include %s but got body: %s",
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i, trx, respBody[:maxBody])
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}
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if test.expectedErrSubStr != "" && !strings.Contains(respBody, test.expectedErrSubStr) {
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isFailure = true
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t.Errorf("Test %d: Expected response to include %s but got body: %s",
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i, test.expectedErrSubStr, respBody[:maxBody])
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}
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if test.expectedHeaders != nil {
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for name, header := range test.expectedHeaders {
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if header[0] != rec.Header().Get(name) {
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isFailure = true
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t.Errorf("Test %d: Expected header `%s` to be %s but was %s. body: %s",
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i, name, header[0], rec.Header().Get(name), respBody)
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}
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}
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}
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}
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for i, test := range testCases {
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if test.expectedLogsSubStr != nil {
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if !checkLogs(t, i, ls, callIds[i], test.expectedLogsSubStr) {
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isFailure = true
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}
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}
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}
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}
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func TestRouteRunnerTimeout(t *testing.T) {
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buf := setLogBuffer()
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isFailure := false
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// Log once after we are done, flow of events are important (hot/cold containers, idle timeout, etc.)
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// for figuring out why things failed.
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defer func() {
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if isFailure {
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t.Log(buf.String())
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}
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}()
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models.RouteMaxMemory = uint64(1024 * 1024 * 1024) // 1024 TB
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hugeMem := uint64(models.RouteMaxMemory - 1)
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app := &models.App{ID: "app_id", Name: "myapp", Config: models.Config{}}
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ds := datastore.NewMockInit(
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[]*models.App{app},
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[]*models.Route{
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{Path: "/cold", Image: "fnproject/fn-test-utils", Type: "sync", Memory: 128, Timeout: 4, IdleTimeout: 30, AppID: app.ID},
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{Path: "/hot", Image: "fnproject/fn-test-utils", Type: "sync", Format: "http", Memory: 128, Timeout: 4, IdleTimeout: 30, AppID: app.ID},
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{Path: "/hot-json", Image: "fnproject/fn-test-utils", Type: "sync", Format: "json", Memory: 128, Timeout: 4, IdleTimeout: 30, AppID: app.ID},
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{Path: "/bigmem-cold", Image: "fnproject/fn-test-utils", Type: "sync", Memory: hugeMem, Timeout: 1, IdleTimeout: 30, AppID: app.ID},
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{Path: "/bigmem-hot", Image: "fnproject/fn-test-utils", Type: "sync", Format: "http", Memory: hugeMem, Timeout: 1, IdleTimeout: 30, AppID: app.ID},
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},
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)
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fnl := logs.NewMock()
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rnr, cancelrnr := testRunner(t, ds, fnl)
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defer cancelrnr()
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srv := testServer(ds, &mqs.Mock{}, fnl, rnr, ServerTypeFull)
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for i, test := range []struct {
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path string
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body string
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method string
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expectedCode int
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expectedHeaders map[string][]string
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}{
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{"/r/myapp/cold", `{"echoContent": "_TRX_ID_", "sleepTime": 0, "isDebug": true}`, "POST", http.StatusOK, nil},
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{"/r/myapp/cold", `{"echoContent": "_TRX_ID_", "sleepTime": 5000, "isDebug": true}`, "POST", http.StatusGatewayTimeout, nil},
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{"/r/myapp/hot", `{"echoContent": "_TRX_ID_", "sleepTime": 5000, "isDebug": true}`, "POST", http.StatusGatewayTimeout, nil},
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{"/r/myapp/hot", `{"echoContent": "_TRX_ID_", "sleepTime": 0, "isDebug": true}`, "POST", http.StatusOK, nil},
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{"/r/myapp/hot-json", `{"echoContent": "_TRX_ID_", "sleepTime": 5000, "isDebug": true}`, "POST", http.StatusGatewayTimeout, nil},
|
|
{"/r/myapp/hot-json", `{"echoContent": "_TRX_ID_", "sleepTime": 0, "isDebug": true}`, "POST", http.StatusOK, nil},
|
|
{"/r/myapp/bigmem-cold", `{"echoContent": "_TRX_ID_", "sleepTime": 0, "isDebug": true}`, "POST", http.StatusBadRequest, nil},
|
|
{"/r/myapp/bigmem-hot", `{"echoContent": "_TRX_ID_", "sleepTime": 0, "isDebug": true}`, "POST", http.StatusBadRequest, nil},
|
|
} {
|
|
trx := fmt.Sprintf("_trx_%d_", i)
|
|
body := strings.NewReader(strings.Replace(test.body, "_TRX_ID_", trx, 1))
|
|
_, rec := routerRequest(t, srv.Router, test.method, test.path, body)
|
|
respBytes, _ := ioutil.ReadAll(rec.Body)
|
|
respBody := string(respBytes)
|
|
maxBody := len(respBody)
|
|
if maxBody > 1024 {
|
|
maxBody = 1024
|
|
}
|
|
|
|
if rec.Code != test.expectedCode {
|
|
isFailure = true
|
|
t.Errorf("Test %d: Expected status code to be %d but was %d body: %#v",
|
|
i, test.expectedCode, rec.Code, respBody[:maxBody])
|
|
}
|
|
|
|
if rec.Code == http.StatusOK && !strings.Contains(respBody, trx) {
|
|
isFailure = true
|
|
t.Errorf("Test %d: Expected response to include %s but got body: %s",
|
|
i, trx, respBody[:maxBody])
|
|
|
|
}
|
|
|
|
if test.expectedHeaders != nil {
|
|
for name, header := range test.expectedHeaders {
|
|
if header[0] != rec.Header().Get(name) {
|
|
isFailure = true
|
|
t.Errorf("Test %d: Expected header `%s` to be %s but was %s body: %#v",
|
|
i, name, header[0], rec.Header().Get(name), respBody[:maxBody])
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Minimal test that checks the possibility of invoking concurrent hot sync functions.
|
|
func TestRouteRunnerMinimalConcurrentHotSync(t *testing.T) {
|
|
buf := setLogBuffer()
|
|
|
|
app := &models.App{ID: "app_id", Name: "myapp", Config: models.Config{}}
|
|
ds := datastore.NewMockInit(
|
|
[]*models.App{app},
|
|
[]*models.Route{
|
|
{Path: "/hot", AppID: app.ID, Image: "fnproject/fn-test-utils", Type: "sync", Format: "http", Memory: 128, Timeout: 30, IdleTimeout: 5},
|
|
},
|
|
)
|
|
|
|
fnl := logs.NewMock()
|
|
rnr, cancelrnr := testRunner(t, ds, fnl)
|
|
defer cancelrnr()
|
|
|
|
srv := testServer(ds, &mqs.Mock{}, fnl, rnr, ServerTypeFull)
|
|
|
|
for i, test := range []struct {
|
|
path string
|
|
body string
|
|
method string
|
|
expectedCode int
|
|
expectedHeaders map[string][]string
|
|
}{
|
|
{"/r/myapp/hot", `{"sleepTime": 100, "isDebug": true}`, "POST", http.StatusOK, nil},
|
|
} {
|
|
errs := make(chan error)
|
|
numCalls := 4
|
|
for k := 0; k < numCalls; k++ {
|
|
go func() {
|
|
body := strings.NewReader(test.body)
|
|
_, rec := routerRequest(t, srv.Router, test.method, test.path, body)
|
|
|
|
if rec.Code != test.expectedCode {
|
|
t.Log(buf.String())
|
|
errs <- fmt.Errorf("Test %d: Expected status code to be %d but was %d body: %#v",
|
|
i, test.expectedCode, rec.Code, rec.Body.String())
|
|
return
|
|
}
|
|
|
|
if test.expectedHeaders == nil {
|
|
errs <- nil
|
|
return
|
|
}
|
|
for name, header := range test.expectedHeaders {
|
|
if header[0] != rec.Header().Get(name) {
|
|
t.Log(buf.String())
|
|
errs <- fmt.Errorf("Test %d: Expected header `%s` to be %s but was %s body: %#v",
|
|
i, name, header[0], rec.Header().Get(name), rec.Body.String())
|
|
return
|
|
}
|
|
}
|
|
errs <- nil
|
|
}()
|
|
}
|
|
for k := 0; k < numCalls; k++ {
|
|
err := <-errs
|
|
if err != nil {
|
|
t.Errorf("%v", err)
|
|
}
|
|
}
|
|
}
|
|
}
|