mirror of https://github.com/knative/func.git
102 lines
2.6 KiB
Go
102 lines
2.6 KiB
Go
package cmd
|
|
|
|
import (
|
|
"context"
|
|
"errors"
|
|
"fmt"
|
|
"net"
|
|
"net/http"
|
|
"os"
|
|
"sync/atomic"
|
|
"testing"
|
|
|
|
fn "knative.dev/func"
|
|
"knative.dev/func/mock"
|
|
)
|
|
|
|
// TestInvoke command executes the invocation path.
|
|
func TestInvoke(t *testing.T) {
|
|
root := fromTempDirectory(t)
|
|
|
|
var invoked int32
|
|
|
|
// Create a test function to be invoked
|
|
if err := fn.New().Create(fn.Function{Runtime: "go", Root: root}); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// Mock Runner
|
|
// Starts a service which sets invoked=1 on any request
|
|
runner := mock.NewRunner()
|
|
runner.RunFn = func(ctx context.Context, f fn.Function) (job *fn.Job, err error) {
|
|
var (
|
|
l net.Listener
|
|
h = http.NewServeMux()
|
|
s = http.Server{Handler: h}
|
|
)
|
|
if l, err = net.Listen("tcp4", "127.0.0.1:"); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
h.HandleFunc("/", func(res http.ResponseWriter, req *http.Request) {
|
|
atomic.StoreInt32(&invoked, 1)
|
|
_, _ = res.Write([]byte("invoked"))
|
|
})
|
|
go func() {
|
|
if err = s.Serve(l); err != nil && !errors.Is(err, http.ErrServerClosed) {
|
|
fmt.Fprintf(os.Stderr, "error serving: %v", err)
|
|
}
|
|
}()
|
|
_, port, _ := net.SplitHostPort(l.Addr().String())
|
|
errs := make(chan error, 10)
|
|
stop := func() { _ = s.Close() }
|
|
return fn.NewJob(f, port, errs, stop)
|
|
}
|
|
|
|
// Run the mock http service function interloper
|
|
client := fn.New(fn.WithRunner(runner))
|
|
job, err := client.Run(context.Background(), root)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
t.Cleanup(job.Stop)
|
|
|
|
// Test that the invoke command invokes
|
|
cmd := NewInvokeCmd(NewClient)
|
|
cmd.SetArgs([]string{})
|
|
|
|
if err := cmd.Execute(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if atomic.LoadInt32(&invoked) != 1 {
|
|
t.Fatal("function was not invoked")
|
|
}
|
|
}
|
|
|
|
// TestInvoke_Namespace ensures that invocation uses the Function's namespace
|
|
// despite the currently active.
|
|
func TestInvoke_Namespace(t *testing.T) {
|
|
root := fromTempDirectory(t)
|
|
|
|
// Create a Function in a non-active namespace
|
|
f := fn.Function{Runtime: "go", Root: root, Deploy: fn.DeploySpec{Namespace: "ns"}}
|
|
if err := fn.New().Create(f); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// The shared Client constructor should receive the current function's
|
|
// namespace when constructing its describer (used when finding the
|
|
// function's route), not the currently active namespace.
|
|
namespace := ""
|
|
newClient := func(conf ClientConfig, opts ...fn.Option) (*fn.Client, func()) {
|
|
namespace = conf.Namespace // should be set to that of the function
|
|
return NewClient(conf, opts...)
|
|
}
|
|
cmd := NewInvokeCmd(newClient)
|
|
_ = cmd.Execute()
|
|
|
|
if namespace != "ns" {
|
|
t.Fatalf("expected client to receive function's current namespace 'ns', got '%v'", namespace)
|
|
}
|
|
}
|