add test for #112 (#154)

core/pom.xml

@@ -14,16 +14,10 @@
     <name>Neo4j GraphQL Java</name>
     <description>GraphQL to Cypher Mapping</description>
 
-    <properties>
-        <neo4j.version>3.5.6</neo4j.version>
-        <driver.version>1.7.2</driver.version>
-    </properties>
-
     <dependencies>
         <dependency>
             <groupId>org.neo4j.driver</groupId>
             <artifactId>neo4j-java-driver</artifactId>
-            <version>${driver.version}</version>
             <scope>test</scope>
         </dependency>
         <dependency>
@@ -70,7 +64,6 @@
         <dependency>
             <groupId>org.junit.jupiter</groupId>
             <artifactId>junit-jupiter</artifactId>
-            <version>5.5.1</version>
             <scope>test</scope>
         </dependency>
         <dependency>
@@ -98,4 +91,13 @@
         </dependency>
     </dependencies>
 
+    <dependencyManagement>
+        <dependencies>
+            <dependency>
+                <groupId>org.neo4j</groupId>
+                <artifactId>neo4j-kernel</artifactId>
+                <version>${neo4j.version}</version>
+            </dependency>
+        </dependencies>
+    </dependencyManagement>
 </project>

core/src/test/resources/issues/gh-112.adoc

@@ -0,0 +1,140 @@
+:toc:
+
+= Github Issue #112: deleting bidirectional relationships
+
+== Schema
+
+[source,graphql,schema=true]
+----
+type User
+{
+  name: String!
+  uuid: ID!
+  associates: [User!] @relation(name:"ASSOCIATES_WITH", direction:BOTH)
+}
+----
+
+== Test Data
+
+[source,cypher,test-data=true]
+----
+CREATE
+    (pete:User{ name: 'Pete', uuid: '1' }),
+    (fred:User{ name: 'Fred', uuid: '2' }),
+    (harry:User{ name: 'Harry', uuid: '3' }),
+    (pete)<-[:ASSOCIATES_WITH]-(fred),
+    (fred)<-[:ASSOCIATES_WITH]-(harry)
+----
+
+== Query
+
+.GraphQL-Query
+[source,graphql]
+----
+query {
+  user(uuid: $uuid) {
+    uuid
+    name
+    associates { name uuid }
+  }
+}
+----
+
+.Query variables
+[source,json,request=true]
+----
+{
+  "uuid": "2"
+}
+----
+
+.GraphQL-Response
+[source,json,response=true]
+----
+{
+  "user" : [ {
+    "associates" : [ {
+      "name" : "Harry",
+      "uuid" : "3"
+    }, {
+      "name" : "Pete",
+      "uuid" : "1"
+    } ],
+    "name" : "Fred",
+    "uuid" : "2"
+  } ]
+}
+----
+
+.Cypher Params
+[source,json]
+----
+{
+  "uuid" : "2"
+}
+----
+
+.Cypher
+[source,cypher]
+----
+MATCH (user: User)
+WHERE user.uuid = $uuid
+RETURN user {
+    .uuid,
+    .name,
+    associates: [(user)-[: ASSOCIATES_WITH]-(userAssociates: User) | userAssociates {
+        .name,
+        .uuid
+    }]
+} AS user
+----
+
+== Delete relation no matter of direction
+
+.GraphQL-Query
+[source,graphql]
+----
+mutation {
+  deleteUserAssociates(uuid: "2", associates: ["1", "3"]) {
+    name
+    associates { name uuid }
+  }
+}
+----
+
+.GraphQL-Response
+[source,json,response=true]
+----
+{
+  "deleteUserAssociates" : {
+    "associates" : [ ],
+    "name" : "Fred"
+  }
+}
+----
+
+.Cypher Params
+[source,json]
+----
+{
+  "fromUuid" : "2",
+  "toAssociates" : [ "1", "3" ]
+}
+----
+
+.Cypher
+[source,cypher]
+----
+MATCH (from: User { uuid: $fromUuid })
+MATCH (to: User) WHERE to.uuid IN $toAssociates
+MATCH (from)-[r: ASSOCIATES_WITH]-(to)
+DELETE r
+WITH DISTINCT from AS deleteUserAssociates
+RETURN deleteUserAssociates {
+    .name,
+    associates: [(deleteUserAssociates)-[: ASSOCIATES_WITH]-(deleteUserAssociatesAssociates: User) | deleteUserAssociatesAssociates {
+        .name,
+        .uuid
+    }]
+} AS deleteUserAssociates
+----

pom.xml

@@ -25,9 +25,9 @@
         <java.version>1.8</java.version>
         <kotlin.version>1.4.10</kotlin.version>
         <kotlin.compiler.jvmTarget>${java.version}</kotlin.compiler.jvmTarget>
-        <neo4j.version>3.5.6</neo4j.version>
+        <neo4j.version>3.5.23</neo4j.version>
         <neo4j-apoc.version>3.5.0.15</neo4j-apoc.version>
-        <driver.version>1.7.2</driver.version>
+        <driver.version>1.7.5</driver.version>
     </properties>
 
     <modules>
@@ -73,6 +73,26 @@
         </dependency>
     </dependencies>
 
+    <dependencyManagement>
+        <dependencies>
+            <dependency>
+                <groupId>org.neo4j.driver</groupId>
+                <artifactId>neo4j-java-driver</artifactId>
+                <version>${driver.version}</version>
+            </dependency>
+            <dependency>
+                <groupId>org.junit.jupiter</groupId>
+                <artifactId>junit-jupiter</artifactId>
+                <version>5.5.1</version>
+            </dependency>
+            <dependency>
+                <groupId>org.slf4j</groupId>
+                <artifactId>slf4j-api</artifactId>
+                <version>1.7.30</version>
+            </dependency>
+        </dependencies>
+    </dependencyManagement>
+
     <build>
         <sourceDirectory>${project.basedir}/src/main/kotlin</sourceDirectory>
         <testSourceDirectory>${project.basedir}/src/test/kotlin</testSourceDirectory>