244 lines
6.8 KiB
Go
244 lines
6.8 KiB
Go
package remote
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import (
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"bytes"
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"encoding/json"
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"io/ioutil"
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"net/http"
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"net/http/httptest"
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"testing"
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"time"
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"github.com/pkg/errors"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestServerPrimitiveTypes(t *testing.T) {
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s := Server{API: "/v1/cmd"}
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type respData struct {
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Res1 string
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Res2 bool
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}
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s.Add("test", func(id uint64, params json.RawMessage) Response {
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args := []interface{}{}
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if err := json.Unmarshal(params, &args); err != nil {
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return Response{Error: err.Error()}
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}
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t.Logf("%+v", args)
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assert.Equal(t, 3, len(args))
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assert.Equal(t, "blah", args[0].(string))
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assert.Equal(t, 42., args[1].(float64))
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assert.Equal(t, true, args[2].(bool))
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r, err := s.EncodeResponse(id, respData{"res blah", true}, nil)
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assert.NoError(t, err)
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return r
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})
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go func() { _ = s.Run(9091) }()
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defer func() { s.Shutdown() }()
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time.Sleep(10 * time.Millisecond)
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// check with direct http call
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clientReq := Request{Method: "test", Params: []interface{}{"blah", 42, true}, ID: 123}
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b := bytes.Buffer{}
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require.NoError(t, json.NewEncoder(&b).Encode(clientReq))
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resp, err := http.Post("http://127.0.0.1:9091/v1/cmd", "application/json", &b)
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require.NoError(t, err)
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defer resp.Body.Close()
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assert.Equal(t, 200, resp.StatusCode)
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data, err := ioutil.ReadAll(resp.Body)
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assert.NoError(t, err)
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assert.Equal(t, `{"result":{"Res1":"res blah","Res2":true},"id":123}`+"\n", string(data))
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// check with client call
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c := Client{API: "http://127.0.0.1:9091/v1/cmd", Client: http.Client{}}
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r, err := c.Call("test", "blah", 42, true)
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assert.NoError(t, err)
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assert.Equal(t, "", r.Error)
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res := respData{}
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err = json.Unmarshal(*r.Result, &res)
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assert.Equal(t, respData{Res1: "res blah", Res2: true}, res)
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assert.Equal(t, uint64(1), r.ID)
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}
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func TestServerWithObject(t *testing.T) {
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s := Server{API: "/v1/cmd"}
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type respData struct {
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Res1 string
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Res2 bool
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}
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type reqData struct {
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Time time.Time
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F1 string
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F2 time.Duration
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}
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s.Add("test", func(id uint64, params json.RawMessage) Response {
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arg := reqData{}
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if err := json.Unmarshal(params, &arg); err != nil {
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return Response{Error: err.Error()}
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}
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t.Logf("%+v", arg)
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r, err := s.EncodeResponse(id, respData{"res blah", true}, nil)
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assert.NoError(t, err)
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return r
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})
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go func() { _ = s.Run(9091) }()
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defer func() { assert.NoError(t, s.Shutdown()) }()
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time.Sleep(10 * time.Millisecond)
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c := Client{API: "http://127.0.0.1:9091/v1/cmd", Client: http.Client{}}
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r, err := c.Call("test", reqData{Time: time.Now(), F1: "sawert", F2: time.Minute})
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assert.NoError(t, err)
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assert.Equal(t, "", r.Error)
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res := respData{}
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err = json.Unmarshal(*r.Result, &res)
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assert.Equal(t, respData{Res1: "res blah", Res2: true}, res)
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}
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func TestServerMethodNotImplemented(t *testing.T) {
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s := Server{}
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ts := httptest.NewServer(http.HandlerFunc(s.handler))
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defer ts.Close()
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s.Add("test", func(id uint64, params json.RawMessage) Response {
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return Response{}
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})
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r := Request{Method: "blah"}
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buf := bytes.Buffer{}
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assert.NoError(t, json.NewEncoder(&buf).Encode(r))
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resp, err := http.Post(ts.URL, "application/json", &buf)
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require.NoError(t, err)
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assert.Equal(t, http.StatusNotImplemented, resp.StatusCode)
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assert.EqualError(t, s.Shutdown(), "http server is not running")
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}
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func TestServerWithAuth(t *testing.T) {
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s := Server{API: "/v1/cmd", AuthUser: "user", AuthPasswd: "passwd"}
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s.Add("test", func(id uint64, params json.RawMessage) Response {
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args := []interface{}{}
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if err := json.Unmarshal(params, &args); err != nil {
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return Response{Error: err.Error()}
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}
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t.Logf("%+v", args)
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assert.Equal(t, 3, len(args))
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assert.Equal(t, "blah", args[0].(string))
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assert.Equal(t, 42., args[1].(float64))
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assert.Equal(t, true, args[2].(bool))
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r, err := s.EncodeResponse(id, "res blah", nil)
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assert.NoError(t, err)
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return r
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})
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go func() { _ = s.Run(9091) }()
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time.Sleep(10 * time.Millisecond)
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defer func() { assert.NoError(t, s.Shutdown()) }()
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c := Client{API: "http://127.0.0.1:9091/v1/cmd", Client: http.Client{}, AuthUser: "user", AuthPasswd: "passwd"}
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r, err := c.Call("test", "blah", 42, true)
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assert.NoError(t, err)
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assert.Equal(t, "", r.Error)
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val := ""
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err = json.Unmarshal(*r.Result, &val)
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assert.NoError(t, err)
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assert.Equal(t, "res blah", val)
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c = Client{API: "http://127.0.0.1:9091/v1/cmd", Client: http.Client{}}
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_, err = c.Call("test", "blah", 42, true)
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assert.EqualError(t, err, "bad status 401 Unauthorized for test")
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}
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func TestServerErrReturn(t *testing.T) {
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s := Server{API: "/v1/cmd", AuthUser: "user", AuthPasswd: "passwd"}
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s.Add("test", func(id uint64, params json.RawMessage) Response {
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args := []interface{}{}
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if err := json.Unmarshal(params, &args); err != nil {
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return Response{Error: err.Error()}
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}
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t.Logf("%+v", args)
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assert.Equal(t, 3, len(args))
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assert.Equal(t, "blah", args[0].(string))
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assert.Equal(t, 42., args[1].(float64))
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assert.Equal(t, true, args[2].(bool))
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r, err := s.EncodeResponse(id, "res blah", errors.New("some error"))
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assert.NoError(t, err)
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return r
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})
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go func() { _ = s.Run(9091) }()
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defer func() { assert.NoError(t, s.Shutdown()) }()
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time.Sleep(10 * time.Millisecond)
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c := Client{API: "http://127.0.0.1:9091/v1/cmd", Client: http.Client{}, AuthUser: "user", AuthPasswd: "passwd"}
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_, err := c.Call("test", "blah", 42, true)
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assert.EqualError(t, err, "some error")
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}
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func TestServerGroup(t *testing.T) {
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s := Server{API: "/v1/cmd"}
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s.Group("pre", HandlersGroup{
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"fn1": func(id uint64, params json.RawMessage) Response {
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return Response{}
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},
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"fn2": func(id uint64, params json.RawMessage) Response {
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return Response{}
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},
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})
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go func() { _ = s.Run(9091) }()
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defer func() { assert.NoError(t, s.Shutdown()) }()
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time.Sleep(10 * time.Millisecond)
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c := Client{API: "http://127.0.0.1:9091/v1/cmd", Client: http.Client{}}
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_, err := c.Call("fn1")
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assert.EqualError(t, err, "bad status 501 Not Implemented for fn1")
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_, err = c.Call("pre.fn1")
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assert.NoError(t, err)
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_, err = c.Call("pre.fn2")
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assert.NoError(t, err)
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}
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func TestServerAddLate(t *testing.T) {
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s := Server{API: "/v1/cmd"}
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s.Add("fn1", func(id uint64, params json.RawMessage) Response {
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return Response{}
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})
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go func() { _ = s.Run(9091) }()
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defer func() { assert.NoError(t, s.Shutdown()) }()
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time.Sleep(10 * time.Millisecond)
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// too late, ignored after run
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s.Add("fn2", func(id uint64, params json.RawMessage) Response {
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return Response{}
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})
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c := Client{API: "http://127.0.0.1:9091/v1/cmd", Client: http.Client{}}
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_, err := c.Call("fn1")
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assert.NoError(t, err)
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_, err = c.Call("fn2")
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assert.EqualError(t, err, "bad status 501 Not Implemented for fn2")
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}
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func TestServerNoHandlers(t *testing.T) {
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s := Server{API: "/v1/cmd", AuthUser: "user", AuthPasswd: "passwd"}
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assert.EqualError(t, s.Run(9091), "nothing mapped for dispatch, Add has to be called prior to Run")
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}
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