Merge pull request #175 from fnproject/fn-tests

Tests cli for all quickstart commands

.circleci/config.yml

@@ -29,6 +29,8 @@ jobs:
           sudo service docker stop
           curl -fsSL https://get.docker.com/ | sudo sh
       - run: docker version
+      # login here for tests
+      - run: docker login -u $DOCKER_USER -p $DOCKER_PASS
       - run: ./test.sh
       - deploy:
           command: |
@@ -36,6 +38,5 @@ jobs:
               git config --global user.email "ci@fnproject.com"
               git config --global user.name "CI"
               git branch --set-upstream-to=origin/${CIRCLE_BRANCH} ${CIRCLE_BRANCH}
-              docker login -u $DOCKER_USER -p $DOCKER_PASS
               ./release.sh
             fi

.gitlab-ci.yml

@@ -18,13 +18,13 @@ before_script:
 build_job:
   stage: build
   script:
-  - go build -o functions-alpine
+  - make build
 
 build_job_fn:
   stage: build
   script:
   - cd fn
-  - go build -o fn-alpine
+  - make build
 
 formatting:
   stage: build

cli/Makefile

@@ -16,7 +16,7 @@ dep-up:
 	glide up -v
 
 test:
-	go test $(go list ./... | grep -v /vendor/ | grep -v /tests)
+	./test.sh
 
 test-integration:
 	cd tests/ && go test -v ./...; cd ..

cli/client/call_fn.go

@@ -48,5 +48,10 @@ func CallFN(u string, content io.Reader, output io.Writer, method string, env []
 
 	io.Copy(output, resp.Body)
 
+	if resp.StatusCode >= 400 {
+		// TODO: parse out error message
+		return fmt.Errorf("error calling function: status %v", resp.StatusCode)
+	}
+
 	return nil
 }

cli/langs/go.go

@@ -1,5 +1,11 @@
 package langs
 
+import (
+	"io/ioutil"
+	"os"
+	"path/filepath"
+)
+
 type GoLangHelper struct {
 	BaseHelper
 }
@@ -38,3 +44,84 @@ func (h *GoLangHelper) DockerfileCopyCmds() []string {
 func (lh *GoLangHelper) Entrypoint() string {
 	return "./func"
 }
+
+// HasPreBuild returns whether the Java runtime has boilerplate that can be generated.
+func (lh *GoLangHelper) HasBoilerplate() bool { return true }
+
+// GenerateBoilerplate will generate function boilerplate for a Java runtime. The default boilerplate is for a Maven
+// project.
+func (lh *GoLangHelper) GenerateBoilerplate() error {
+	wd, err := os.Getwd()
+	if err != nil {
+		return err
+	}
+	codeFile := filepath.Join(wd, "func.go")
+	if exists(codeFile) {
+		return ErrBoilerplateExists
+	}
+	testFile := filepath.Join(wd, "test.json")
+	if exists(testFile) {
+		return ErrBoilerplateExists
+	}
+
+	if err := ioutil.WriteFile(codeFile, []byte(helloGoSrcBoilerplate), os.FileMode(0644)); err != nil {
+		return err
+	}
+
+	if err := ioutil.WriteFile(testFile, []byte(testBoilerPlate), os.FileMode(0644)); err != nil {
+		return err
+	}
+	return nil
+}
+
+const (
+	helloGoSrcBoilerplate = `package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+)
+
+type Person struct {
+	Name string
+}
+
+func main() {
+	p := &Person{Name: "World"}
+	json.NewDecoder(os.Stdin).Decode(p)
+	mapD := map[string]string{"message": fmt.Sprintf("Hello %s", p.Name)}
+	mapB, _ := json.Marshal(mapD)
+	fmt.Println(string(mapB))
+}
+`
+
+	// Could use same test for most langs
+	testBoilerPlate = `{
+    "tests": [
+        {
+            "input": {
+                "body": {
+                    "name": "Johnny"
+                }
+            },
+            "output": {
+                "body": {
+                    "message": "Hello Johnny"
+                }
+            }
+        },
+        {
+            "input": {
+                "body": ""
+            },
+            "output": {
+                "body": {
+                    "message": "Hello World"
+                }
+            }
+        }
+    ]
+}
+`
+)

cli/main.go

@@ -37,8 +37,8 @@ func newFn() *cli.App {
 	app.Name = "fn"
 	app.Version = Version
 	app.Authors = []cli.Author{{Name: "Oracle Corporation"}}
-	app.Description = "Oracle Functions command line tools"
-	app.UsageText = `Check the manual at https://github.com/fnproject/fn/blob/master/fn/README.md`
+	app.Description = "Fn command line tool"
+	app.UsageText = `Check the docs at https://github.com/fnproject/fn/blob/master/fn/README.md`
 
 	cli.AppHelpTemplate = `{{.Name}} {{.Version}}{{if .Description}}
 
@@ -129,7 +129,12 @@ func prepareCmdArgsValidation(cmds []cli.Command) {
 
 func main() {
 	app := newFn()
-	app.Run(os.Args)
+	err := app.Run(os.Args)
+	if err != nil {
+		// TODO: this doesn't seem to get called even when an error returns from a command, but maybe urfave is doing a non zero exit anyways? nope: https://github.com/urfave/cli/issues/610
+		fmt.Printf("Error occurred: %v, exiting...\n", err)
+		os.Exit(1)
+	}
 }
 
 func resetBasePath(c *functions.Configuration) error {

cli/test.sh

@@ -0,0 +1,32 @@
+set -ex
+
+make build
+export fn="$(pwd)/fn"
+$fn --version
+
+go test $(go list ./... | grep -v /vendor/ | grep -v /tests)
+
+# This tests all the quickstart commands on the cli on a live server
+rm -rf tmp
+mkdir tmp
+cd tmp
+funcname="fn-test-go"
+$fn init --runtime go $DOCKER_USER/$funcname
+$fn test
+
+someport=50080
+docker rm --force functions || true # just in case
+docker run --name functions -d -v /var/run/docker.sock:/var/run/docker.sock -p $someport:8080 funcy/functions
+sleep 10
+docker logs functions
+
+export API_URL="http://localhost:$someport"
+$fn apps l
+$fn apps create myapp
+$fn apps l
+$fn deploy myapp
+$fn call myapp $funcname
+
+docker rm --force functions
+
+cd ..

examples/tutorial/hello/go/func.go

@@ -14,7 +14,6 @@ type Person struct {
 func main() {
 	p := &Person{Name: "World"}
 	json.NewDecoder(os.Stdin).Decode(p)
-	// fmt.Printf("Hello %v!\n", p.Name)
 	mapD := map[string]string{"message": fmt.Sprintf("Hello %s", p.Name)}
 	mapB, _ := json.Marshal(mapD)
 	fmt.Println(string(mapB))