Add json schema for events

Issue-ID: CPS-348
Issue-ID: CPS-373
Change-Id: Ia0d31f6393e90cb0d5370ca6a78dfbe8817545ae
Signed-off-by: Bruno Sakoto <bruno.sakoto@bell.ca>

4 files changed, 312 insertions, 0 deletions

diff --git a/cps-events/pom.xml b/cps-events/pom.xml
new file mode 100644
index 0000000000..7c7fec77eb
--- /dev/null
+++ b/cps-events/pom.xml
@@ -0,0 +1,76 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ============LICENSE_START=======================================================
+  Copyright (c) 2021 Bell Canada.
+  ================================================================================
+  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.
+  ============LICENSE_END=========================================================
+-->
+
+<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xmlns="http://maven.apache.org/POM/4.0.0"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>org.onap.cps</groupId>
+        <artifactId>cps-parent</artifactId>
+        <version>1.1.0-SNAPSHOT</version>
+        <relativePath>../cps-parent/pom.xml</relativePath>
+    </parent>
+
+    <artifactId>cps-events</artifactId>
+    <packaging>jar</packaging>
+
+    <dependencies>
+        <!-- Used by Generated classes for json mapping-->
+        <dependency>
+            <groupId>com.fasterxml.jackson.core</groupId>
+            <artifactId>jackson-databind</artifactId>
+        </dependency>
+        <!-- T E S T   D E P E N D E N C I E S -->
+        <dependency>
+            <groupId>org.codehaus.groovy</groupId>
+            <artifactId>groovy</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.spockframework</groupId>
+            <artifactId>spock-core</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.jsonschema2pojo</groupId>
+                <artifactId>jsonschema2pojo-maven-plugin</artifactId>
+                <configuration>
+                    <sourceDirectory>${basedir}/src/main/resources/schemas</sourceDirectory>
+                    <targetPackage>org.onap.cps.event.model</targetPackage>
+                    <generateBuilders>true</generateBuilders>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.jacoco</groupId>
+                <artifactId>jacoco-maven-plugin</artifactId>
+                <configuration>
+                    <excludes>
+                        <exclude>org/onap/cps/event/model/*</exclude>
+                    </excludes>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>
\ No newline at end of file
diff --git a/cps-events/src/main/resources/schemas/cps-data-updated-event-schema.json b/cps-events/src/main/resources/schemas/cps-data-updated-event-schema.json
new file mode 100644
index 0000000000..de445ec722
--- /dev/null
+++ b/cps-events/src/main/resources/schemas/cps-data-updated-event-schema.json
@@ -0,0 +1,88 @@
+{
+
+  "$schema": "https://json-schema.org/draft/2019-09/schema",
+  "$id": "urn:cps:org.onap.cps:data-updated-event-schema:1.1.0-SNAPSHOT",
+
+  "$ref": "#/definitions/CpsDataUpdatedEvent",
+
+  "definitions": {
+
+    "CpsDataUpdatedEvent": {
+      "description": "The payload for CPS data updated event.",
+      "type": "object",
+      "properties": {
+        "schema": {
+          "description": "The schema, including its version, that this event adheres to.",
+          "type": "string",
+          "default": "urn:cps:org.onap.cps:data-updated-event-schema:1.1.0-SNAPSHOT",
+          "enum": ["urn:cps:org.onap.cps:data-updated-event-schema:1.1.0-SNAPSHOT"]
+        },
+        "id": {
+          "description": "The unique id identifying the event for the specified source. Producer must ensure that source + id is unique for each distinct event.",
+          "type": "string"
+        },
+        "source": {
+          "description": "The source of the event. Producer must ensure that source + id is unique for each distinct event.",
+          "type": "string",
+          "format": "uri"
+        },
+        "type": {
+          "description": "The type of the event.",
+          "type": "string"
+        },
+        "content": {
+          "$ref": "#/definitions/Content"
+        }
+      },
+      "required": [
+        "schema",
+        "id",
+        "source",
+        "type",
+        "content"
+      ],
+      "additionalProperties": false
+    },
+
+    "Content": {
+      "description": "The event content.",
+      "type": "object",
+      "properties": {
+        "observedTimestamp": {
+          "description": "The timestamp when the data has been observed. The expected format is 'yyyy-MM-dd'T'HH:mm:ss.SSSZ'. Ex: '2020-12-01T00:00:00.000+0000'  ",
+          "type": "string"
+        },
+        "dataspaceName": {
+          "description": "The name of CPS Core dataspace the data belongs to.",
+          "type": "string"
+        },
+        "schemaSetName": {
+          "description": "The name of CPS Core schema set the data adheres to.",
+          "type": "string"
+        },
+        "anchorName": {
+          "description": "The name of CPS Core anchor the data is attached to.",
+          "type": "string"
+        },
+        "data": {
+          "$ref": "#/definitions/Data"
+        }
+      },
+      "required": [
+        "timestamp",
+        "dataspaceName",
+        "schemaSetName",
+        "anchorName",
+        "data"
+      ],
+      "additionalProperties": false
+    },
+
+    "Data": {
+      "description": "Data as json object.",
+      "type": "object"
+    }
+
+  }
+
+}
\ No newline at end of file
diff --git a/cps-events/src/test/groovy/org/onap/cps/event/CpsDataUpdatedEventSpec.groovy b/cps-events/src/test/groovy/org/onap/cps/event/CpsDataUpdatedEventSpec.groovy
new file mode 100644
index 0000000000..f72eceed1c
--- /dev/null
+++ b/cps-events/src/test/groovy/org/onap/cps/event/CpsDataUpdatedEventSpec.groovy
@@ -0,0 +1,114 @@
+/*
+ * ============LICENSE_START=======================================================
+ * Copyright (c) 2021 Bell Canada.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+*/
+
+package org.onap.cps.event
+
+import com.fasterxml.jackson.databind.ObjectMapper
+import com.fasterxml.jackson.databind.node.ObjectNode
+import org.onap.cps.event.model.Content
+import org.onap.cps.event.model.CpsDataUpdatedEvent
+import org.onap.cps.event.model.Data
+import spock.lang.Specification
+
+/**
+ * Test class for CpsDataUpdatedEvent.
+ */
+class CpsDataUpdatedEventSpec extends Specification {
+
+    def objectMapper = new ObjectMapper()
+
+    final DATASPACE_NAME = 'my-dataspace'
+    final BOOKSTORE_SCHEMA_SET = 'bootstore-schemaset'
+    final ANCHOR_NAME = 'chapters'
+    final EVENT_TIMESTAMP = '2020-12-01T00:00:00.000+0000'
+    final EVENT_ID = '77b8f114-4562-4069-8234-6d059ff742ac'
+    final EVENT_SOURCE = new URI('urn:cps:org.onap.cps')
+    final EVENT_TYPE = 'org.onap.cps.data-updated-event'
+    final EVENT_SCHEMA = 'urn:cps:org.onap.cps:data-updated-event-schema:1.1.0-SNAPSHOT'
+
+    final DATA = [
+            'test:bookstore': [
+                    'bookstore-name': 'Chapters',
+                    'categories'    : [
+                            ['code' : '01',
+                             'name' : 'SciFi',
+                             'books': [
+                                     ['authors' : ['Iain M. Banks'],
+                                      'lang'    : 'en',
+                                      'price'   : 895,
+                                      'pub_year': '1994',
+                                      'title'   : 'Feersum Endjinn'
+                                     ]
+                             ]
+                            ]
+                    ]
+            ]
+    ]
+
+    def 'Conversion from JSON String to CpsDataUpdatedEvent POJO.'() {
+        when: 'event JSON String is converted to CpsDataUpdatedEvent'
+            def notificationMessage = getEventAsJsonStringFromFile()
+            def cpsDataUpdatedEvent = objectMapper.readValue(notificationMessage, CpsDataUpdatedEvent.class)
+        then: 'CpsDataUpdatedEvent POJO has the excepted values'
+            cpsDataUpdatedEvent.id == EVENT_ID
+            cpsDataUpdatedEvent.source == EVENT_SOURCE
+            cpsDataUpdatedEvent.schema.value() == EVENT_SCHEMA
+            cpsDataUpdatedEvent.type == EVENT_TYPE
+            def content = cpsDataUpdatedEvent.content
+            content.observedTimestamp == EVENT_TIMESTAMP
+            content.dataspaceName == DATASPACE_NAME
+            content.schemaSetName == BOOKSTORE_SCHEMA_SET
+            content.anchorName == ANCHOR_NAME
+            content.data.getAdditionalProperties() == DATA
+    }
+
+    def 'Conversion CpsDataUpdatedEvent POJO to JSON String.'() {
+        given: 'Event content with the Data'
+            def data = new Data()
+            data.withAdditionalProperty('test:bookstore', DATA.'test:bookstore')
+            def content = new Content()
+            content.withAnchorName(ANCHOR_NAME)
+                    .withDataspaceName(DATASPACE_NAME)
+                    .withSchemaSetName(BOOKSTORE_SCHEMA_SET)
+                    .withObservedTimestamp(EVENT_TIMESTAMP)
+                    .withData(data)
+        and: 'CpsDataUpdatedEvent with the content'
+            def cpsDataUpdateEvent = new CpsDataUpdatedEvent()
+            cpsDataUpdateEvent
+                    .withSchema(
+                            CpsDataUpdatedEvent.Schema.fromValue(EVENT_SCHEMA))
+                    .withId(EVENT_ID)
+                    .withSource(EVENT_SOURCE)
+                    .withType(EVENT_TYPE)
+                    .withContent(content)
+        when: 'CpsDataUpdatedEvent is converted to JSON string'
+            def actualMessage = objectMapper.writerWithDefaultPrettyPrinter().writeValueAsString(cpsDataUpdateEvent)
+        then: 'the created JSON String is same as the expected JSON String'
+            def expectedMessage = getEventAsJsonStringFromFile()
+            assert actualMessage == expectedMessage
+    }
+
+    def getEventAsJsonStringFromFile() {
+        return objectMapper.writerWithDefaultPrettyPrinter().writeValueAsString(
+                objectMapper.readValue(
+                        this.class.getResource('/bookstore-chapters.json').getText('UTF-8'),
+                        ObjectNode.class)
+        )
+    }
+
+}
\ No newline at end of file
diff --git a/cps-events/src/test/resources/bookstore-chapters.json b/cps-events/src/test/resources/bookstore-chapters.json
new file mode 100644
index 0000000000..de46b71841
--- /dev/null
+++ b/cps-events/src/test/resources/bookstore-chapters.json
@@ -0,0 +1,34 @@
+{
+  "schema": "urn:cps:org.onap.cps:data-updated-event-schema:1.1.0-SNAPSHOT",
+  "id": "77b8f114-4562-4069-8234-6d059ff742ac",
+  "source": "urn:cps:org.onap.cps",
+  "type": "org.onap.cps.data-updated-event",
+  "content": {
+    "observedTimestamp": "2020-12-01T00:00:00.000+0000",
+    "dataspaceName": "my-dataspace",
+    "schemaSetName": "bootstore-schemaset",
+    "anchorName": "chapters",
+    "data": {
+      "test:bookstore":{
+        "bookstore-name": "Chapters",
+        "categories": [
+          {
+            "code": "01",
+            "name": "SciFi",
+            "books": [
+              {
+                "authors": [
+                  "Iain M. Banks"
+                ],
+                "lang": "en",
+                "price": 895,
+                "pub_year": "1994",
+                "title": "Feersum Endjinn"
+              }
+            ]
+          }
+        ]
+      }
+    }
+  }
+}
\ No newline at end of file