Added tests to Composite App API

Issue-ID: MULTICLOUD-994
Signed-off-by: Srivahni Chivukula <srivahni.chivukula@intel.com>
Change-Id: I39f3dc28bca3ff7cefda006cb96eb86c2c069efe

1 files changed, 113 insertions, 0 deletions

diff --git a/src/orchestrator/api/compositeapphandler.go b/src/orchestrator/api/compositeapphandler.go
new file mode 100644
index 00000000..42c72cdb
--- /dev/null
+++ b/src/orchestrator/api/compositeapphandler.go
@@ -0,0 +1,113 @@
+/*
+ * Copyright 2020 Intel Corporation, Inc
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package api
+
+import (
+	"encoding/json"
+	"io"
+	"net/http"
+
+	moduleLib "github.com/onap/multicloud-k8s/src/orchestrator/pkg/module"
+
+	"github.com/gorilla/mux"
+)
+
+// compositeAppHandler to store backend implementations objects
+// Also simplifies mocking for unit testing purposes
+type compositeAppHandler struct {
+	// Interface that implements CompositeApp operations
+	// We will set this variable with a mock interface for testing
+	client moduleLib.CompositeAppManager
+}
+
+// createHandler handles creation of the CompositeApp entry in the database
+// This is a multipart handler
+func (h compositeAppHandler) createHandler(w http.ResponseWriter, r *http.Request) {
+	var c moduleLib.CompositeApp
+
+	err := json.NewDecoder(r.Body).Decode(&c)
+	switch {
+	case err == io.EOF:
+		http.Error(w, "Empty body", http.StatusBadRequest)
+		return
+	case err != nil:
+		http.Error(w, err.Error(), http.StatusUnprocessableEntity)
+		return
+	}
+
+	// Name is required.
+	if c.Metadata.Name == "" {
+		http.Error(w, "Missing name in POST request", http.StatusBadRequest)
+		return
+	}
+
+	vars := mux.Vars(r)
+	projectName := vars["project-name"]
+
+	ret, err := h.client.CreateCompositeApp(c, projectName)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(http.StatusCreated)
+	err = json.NewEncoder(w).Encode(ret)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+}
+
+// getHandler handles GET operations on a particular CompositeApp Name
+// Returns a compositeApp
+func (h compositeAppHandler) getHandler(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	name := vars["composite-app-name"]
+	version := vars["version"]
+	projectName := vars["project-name"]
+
+	ret, err := h.client.GetCompositeApp(name, version, projectName)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(http.StatusOK)
+	err = json.NewEncoder(w).Encode(ret)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+}
+
+// deleteHandler handles DELETE operations on a particular CompositeApp Name
+func (h compositeAppHandler) deleteHandler(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	name := vars["composite-app-name"]
+	version := vars["version"]
+	projectName := vars["project-name"]
+
+	err := h.client.DeleteCompositeApp(name, version, projectName)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.WriteHeader(http.StatusNoContent)
+}