Migrate TestGetEvents into a unit and a CLI test

Docker-DCO-1.1-Signed-off-by: Guilherme Salgado <gsalgado@gmail.com> (github: gsalgado)

api/server/server_unit_test.go

@@ -153,6 +153,49 @@ func TestGetContainersByName(t *testing.T) {
 	}
 }
 
+func TestGetEvents(t *testing.T) {
+	eng := engine.New()
+	var called bool
+	eng.Register("events", func(job *engine.Job) engine.Status {
+		called = true
+		since := job.Getenv("since")
+		if since != "1" {
+			t.Fatalf("'since' should be 1, found %#v instead", since)
+		}
+		until := job.Getenv("until")
+		if until != "0" {
+			t.Fatalf("'until' should be 0, found %#v instead", until)
+		}
+		v := &engine.Env{}
+		v.Set("since", since)
+		v.Set("until", until)
+		if _, err := v.WriteTo(job.Stdout); err != nil {
+			return job.Error(err)
+		}
+		return engine.StatusOK
+	})
+	r := serveRequest("GET", "/events?since=1&until=0", nil, eng, t)
+	if !called {
+		t.Fatal("handler was not called")
+	}
+	if r.HeaderMap.Get("Content-Type") != "application/json" {
+		t.Fatalf("%#v\n", r)
+	}
+	var stdout_json struct {
+		Since int
+		Until int
+	}
+	if err := json.Unmarshal(r.Body.Bytes(), &stdout_json); err != nil {
+		t.Fatalf("%#v", err)
+	}
+	if stdout_json.Since != 1 {
+		t.Fatalf("since != 1: %#v", stdout_json.Since)
+	}
+	if stdout_json.Until != 0 {
+		t.Fatalf("until != 0: %#v", stdout_json.Until)
+	}
+}
+
 func TestLogs(t *testing.T) {
 	eng := engine.New()
 	var inspect bool