New API tested

view/json.go

@@ -27,15 +27,7 @@ func jsonHandler(g storage.Graph) http.Handler {
 	}{
 		{
 			path: "/who/",
-			foo:  httpwho,
-		},
-		{
-			path: "/meet/",
-			foo:  httpmeet,
-		},
-		{
-			path: "/isnow/",
-			foo:  httpisnow,
+			foo:  who,
 		},
 	}
 
@@ -45,8 +37,12 @@ func jsonHandler(g storage.Graph) http.Handler {
 		foo := route.foo
 		mux.HandleFunc(path, func(w http.ResponseWriter, r *http.Request) {
 			if err := foo(g, w, r); err != nil {
+				status := http.StatusInternalServerError
+				if strings.Contains(err.Error(), "collision") {
+					status = http.StatusConflict
+				}
 				b, _ := json.Marshal(map[string]string{"error": err.Error()})
-				http.Error(w, string(b), http.StatusInternalServerError)
+				http.Error(w, string(b), status)
 			}
 		})
 		mux.HandleFunc(nopath, http.NotFound)

view/who.go

@@ -0,0 +1,136 @@
+package view
+
+import (
+	"encoding/json"
+	"errors"
+	"io/ioutil"
+	"local/dndex/storage"
+	"local/dndex/storage/entity"
+	"local/dndex/storage/operator"
+	"net/http"
+	"path"
+	"strings"
+
+	"github.com/buger/jsonparser"
+	"go.mongodb.org/mongo-driver/bson"
+)
+
+func who(g storage.Graph, w http.ResponseWriter, r *http.Request) error {
+	namespace := strings.TrimLeft(r.URL.Path, path.Dir(r.URL.Path))
+	if len(namespace) == 0 {
+		http.NotFound(w, r)
+		return nil
+	}
+	namespace = strings.Replace(namespace, "/", ".", -1)
+
+	switch r.Method {
+	case http.MethodGet:
+		return whoGet(namespace, g, w, r)
+	case http.MethodPut:
+		return whoPut(namespace, g, w, r)
+	case http.MethodPost:
+		return whoPost(namespace, g, w, r)
+	default:
+		http.NotFound(w, r)
+		return nil
+	}
+}
+
+func whoGet(namespace string, g storage.Graph, w http.ResponseWriter, r *http.Request) error {
+	id := r.URL.Query().Get("id")
+	if id == "" {
+		http.Error(w, `{"error":"no ?id provided"}`, http.StatusBadRequest)
+		return nil
+	}
+	_, light := r.URL.Query()["light"]
+
+	ones, err := g.List(r.Context(), namespace, id)
+	if err != nil {
+		return err
+	}
+	if len(ones) == 0 {
+		http.NotFound(w, r)
+		return nil
+	}
+	if len(ones) > 1 {
+		return errors.New("more than one result found matching " + id)
+	}
+	one := ones[0]
+
+	if !light && len(one.Connections) > 0 {
+		ones, err := g.List(r.Context(), namespace, one.Peers()...)
+		if err != nil {
+			return err
+		}
+		for _, another := range ones {
+			another.Relationship = one.Connections[another.Name].Relationship
+			one.Connections[another.Name] = another
+		}
+	}
+
+	enc := json.NewEncoder(w)
+	enc.SetIndent("", "   ")
+	return enc.Encode(one)
+}
+
+func whoPut(namespace string, g storage.Graph, w http.ResponseWriter, r *http.Request) error {
+	id := r.URL.Query().Get("id")
+	if id == "" {
+		http.Error(w, `{"error":"no ?id provided"}`, http.StatusBadRequest)
+		return nil
+	}
+
+	body, err := ioutil.ReadAll(r.Body)
+	if err != nil {
+		return err
+	}
+	operation := entity.One{}
+	if err := json.Unmarshal(body, &operation); err != nil {
+		return err
+	}
+	if operation.Name != "" {
+		http.Error(w, `{"error":"cannot specify name in request body"}`, http.StatusBadRequest)
+		return nil
+	}
+	if operation.Modified != 0 {
+		http.Error(w, `{"error":"cannot specify modified in request body"}`, http.StatusBadRequest)
+		return nil
+	}
+	b, err := bson.Marshal(operation)
+	if err != nil {
+		return err
+	}
+	op := bson.M{}
+	if err := bson.Unmarshal(b, &op); err != nil {
+		return err
+	}
+	for k := range op {
+		if _, _, _, err := jsonparser.Get(body, k); err != nil {
+			delete(op, k)
+		}
+	}
+	if err := g.Update(r.Context(), namespace, entity.One{Name: id}, operator.SetMany{op}); err != nil {
+		return err
+	}
+
+	return whoGet(namespace, g, w, r)
+}
+
+func whoPost(namespace string, g storage.Graph, w http.ResponseWriter, r *http.Request) error {
+	id := r.URL.Query().Get("id")
+	if id == "" {
+		http.Error(w, `{"error":"no ?id provided"}`, http.StatusBadRequest)
+		return nil
+	}
+
+	one := entity.One{}
+	if err := json.NewDecoder(r.Body).Decode(&one); err != nil {
+		return err
+	}
+	one.Name = id
+	if err := g.Insert(r.Context(), namespace, one); err != nil {
+		return err
+	}
+
+	return whoGet(namespace, g, w, r)
+}

view/who_test.go

@@ -0,0 +1,155 @@
+package view
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"io/ioutil"
+	"local/dndex/config"
+	"local/dndex/storage"
+	"local/dndex/storage/entity"
+	"net/http"
+	"net/http/httptest"
+	"os"
+	"strings"
+	"testing"
+)
+
+func TestWho(t *testing.T) {
+	os.Args = os.Args[:1]
+	f, err := ioutil.TempFile(os.TempDir(), "pattern*")
+	if err != nil {
+		t.Fatal(err)
+	}
+	f.Close()
+	defer os.Remove(f.Name())
+	os.Setenv("DBURI", f.Name())
+
+	t.Logf("config: %+v", config.New())
+
+	g := storage.NewGraph()
+	ones := fillDB(t, g)
+	want := ones[len(ones)-1]
+
+	handler := jsonHandler(g)
+
+	t.Log(handler, want)
+
+	t.Run("get no namespace is 404", func(t *testing.T) {
+		iwant := want
+		r := httptest.NewRequest(http.MethodGet, "/who?id="+iwant.Name, nil)
+		w := httptest.NewRecorder()
+		handler.ServeHTTP(w, r)
+		if w.Code != http.StatusNotFound {
+			t.Fatalf("%d: %s", w.Code, w.Body.Bytes())
+		}
+	})
+
+	t.Run("get fake", func(t *testing.T) {
+		iwant := want
+		r := httptest.NewRequest(http.MethodGet, "/who/col?id=FAKER"+iwant.Name, nil)
+		w := httptest.NewRecorder()
+		handler.ServeHTTP(w, r)
+		if w.Code != http.StatusNotFound {
+			t.Fatalf("%d: %s", w.Code, w.Body.Bytes())
+		}
+	})
+
+	t.Run("get real", func(t *testing.T) {
+		iwant := want
+		r := httptest.NewRequest(http.MethodGet, "/who/col?id="+iwant.Name, nil)
+		w := httptest.NewRecorder()
+		handler.ServeHTTP(w, r)
+		if w.Code != http.StatusOK {
+			t.Fatalf("%d: %s", w.Code, w.Body.Bytes())
+		}
+		o := entity.One{}
+		if err := json.Unmarshal(w.Body.Bytes(), &o); err != nil {
+			t.Fatal(err)
+		}
+		if fmt.Sprint(o) == fmt.Sprint(iwant) {
+			t.Fatal(o, iwant)
+		}
+		if len(o.Connections) != len(iwant.Connections) {
+			t.Fatal(len(o.Connections), len(iwant.Connections))
+		}
+		iwant.Connections = o.Connections
+		iwant.Modified = 0
+		o.Modified = 0
+		if fmt.Sprint(o) != fmt.Sprint(iwant) {
+			t.Fatalf("after resolving connections and modified, iwant and got differ: \nwant %+v\n got %+v", iwant, o)
+		}
+		b, _ := json.MarshalIndent(o, "", "   ")
+		t.Logf("POST GET:\n%s", b)
+	})
+
+	t.Run("put fake", func(t *testing.T) {
+		iwant := want
+		r := httptest.NewRequest(http.MethodPut, "/who/col?id=FAKER"+iwant.Name, strings.NewReader(`{"title":"this should fail to find someone"}`))
+		w := httptest.NewRecorder()
+		handler.ServeHTTP(w, r)
+		if w.Code != http.StatusNotFound {
+			t.Fatalf("%d: %s", w.Code, w.Body.Bytes())
+		}
+	})
+
+	t.Run("put real", func(t *testing.T) {
+		iwant := want
+		r := httptest.NewRequest(http.MethodPut, "/who/col?id="+iwant.Name, strings.NewReader(`{"title":"this should work"}`))
+		w := httptest.NewRecorder()
+		handler.ServeHTTP(w, r)
+		if w.Code != http.StatusOK {
+			t.Fatalf("%d: %s", w.Code, w.Body.Bytes())
+		}
+		o := entity.One{}
+		if err := json.Unmarshal(w.Body.Bytes(), &o); err != nil {
+			t.Fatal(err)
+		}
+		if len(o.Connections) != len(iwant.Connections) {
+			t.Fatalf("wrong number of connections returned: want %v, got %v", len(iwant.Connections), len(o.Connections))
+		}
+		if o.Title != "this should work" {
+			t.Fatalf("failed to PUT a new title: %+v", o)
+		}
+		b, _ := json.MarshalIndent(o, "", "   ")
+		t.Logf("POST PUT:\n%s", b)
+	})
+
+	t.Run("post exists", func(t *testing.T) {
+		iwant := want
+		iwant.Name = ""
+		r := httptest.NewRequest(http.MethodPost, "/who/col?id="+want.Name, strings.NewReader(`{"title":"this should fail to insert"}`))
+		w := httptest.NewRecorder()
+		handler.ServeHTTP(w, r)
+		if w.Code != http.StatusConflict {
+			t.Fatalf("%d: %s", w.Code, w.Body.Bytes())
+		}
+	})
+
+	t.Run("post real", func(t *testing.T) {
+		iwant := want
+		iwant.Name = ""
+		b, err := json.Marshal(iwant)
+		if err != nil {
+			t.Fatal(err)
+		}
+		r := httptest.NewRequest(http.MethodPost, "/who/col?id=NEWBIE"+want.Name, bytes.NewReader(b))
+		w := httptest.NewRecorder()
+		handler.ServeHTTP(w, r)
+		if w.Code != http.StatusOK {
+			t.Fatalf("%d: %s", w.Code, w.Body.Bytes())
+		}
+		o := entity.One{}
+		if err := json.Unmarshal(w.Body.Bytes(), &o); err != nil {
+			t.Fatal(err)
+		}
+		if len(o.Connections) != len(iwant.Connections) {
+			t.Fatalf("wrong number of connections returned: want %v, got %v", len(iwant.Connections), len(o.Connections))
+		}
+		if o.Name != "NEWBIE"+want.Name {
+			t.Fatalf("failed to POST specified name: %+v", o)
+		}
+		b, _ = json.MarshalIndent(o, "", "   ")
+		t.Logf("POST POST:\n%s", b)
+	})
+}