Make integration tests atomic

example/apollo-server/movies-schema.js

@@ -14,7 +14,7 @@ type Movie {
   imdbRating: Float
   ratings: [Rated]
   genres: [Genre] @relation(name: "IN_GENRE", direction: "OUT")
-  similar(first: Int = 3, offset: Int = 0, limit: Int = 5): [Movie] @cypher(statement: "WITH {this} AS this MATCH (this)--(:Genre)--(o:Movie) RETURN o LIMIT {limit}")
+  similar(first: Int = 3, offset: Int = 0, limit: Int = 5): [Movie] @cypher(statement: "WITH {this} AS this MATCH (this)--(:Genre)--(o:Movie) RETURN o ORDER BY o.title LIMIT {limit}")
   mostSimilar: Movie @cypher(statement: "WITH {this} AS this RETURN this")
   degree: Int @cypher(statement: "WITH {this} AS this RETURN SIZE((this)--())")
   actors(first: Int = 3, offset: Int = 0): [Actor] @relation(name: "ACTED_IN", direction:"IN")

package.json

@@ -17,7 +17,6 @@
     "test-tck": "nyc ava --fail-fast test/tck/*.test.js",
     "report-coverage": "nyc report --reporter=text-lcov > coverage.lcov && codecov",
     "test-all": "nyc ava --verbose",
-    "test-isolated": "nyc ava test/**/*.test.js --verbose --match='!*not-isolated*'",
     "debug": "nodemon ./example/apollo-server/movies.js --exec babel-node --inspect-brk=9229 --nolazy",
     "debug-typedefs": "nodemon ./example/apollo-server/movies-typedefs.js --exec babel-node --inspect-brk=9229 --nolazy",
     "debug-interface": "nodemon ./example/apollo-server/interfaceError.js --exec babel-node --inspect-brk=9229 --nolazy"

scripts/install-neo4j.sh

@@ -8,10 +8,6 @@ if [ ! -d "neo4j/data/databases/graph.db" ]; then
     tar -xzf neo4j-$NEO4J_DIST-$NEO4J_VERSION-unix.tar.gz -C neo4j --strip-components 1
     neo4j/bin/neo4j-admin set-initial-password letmein
     curl -L https://github.com/neo4j-contrib/neo4j-apoc-procedures/releases/download/$APOC_VERSION/apoc-$APOC_VERSION-all.jar > ./neo4j/plugins/apoc-$APOC_VERSION-all.jar
-    wget https://s3.amazonaws.com/neo4j-sandbox-usecase-datastores/v$DATASTORE_VERSION/recommendations.db.zip
-    sudo apt-get install unzip
-    unzip recommendations.db.zip
-    mv recommendations.db neo4j/data/databases/graph.db
 else
     echo "Database is already installed, skipping"
 fi

scripts/start-neo4j.sh

@@ -7,6 +7,9 @@ if [ ! -d "neo4j/data/databases/graph.db" ]; then
     exit 1
 else
     echo "dbms.allow_upgrade=true" >> ./neo4j/conf/neo4j.conf
+    echo "dbms.security.procedures.unrestricted=apoc.export.*,apoc.import.*" >> ./neo4j/conf/neo4j.conf
+    echo "apoc.import.file.enabled=true" >> ./neo4j/conf/neo4j.conf
+    echo "apoc.import.file.use_neo4j_config=false" >> ./neo4j/conf/neo4j.conf
     # Set initial and max heap to workaround JVM in docker issues
     dbms_memory_heap_initial_size="2048m" dbms_memory_heap_max_size="2048m" ./neo4j/bin/neo4j start
     echo "Waiting up to 2 minutes for neo4j bolt port ($BOLT_PORT)"

test/helpers/integrationTestHelpers.js

@@ -0,0 +1,25 @@
+import { v1 as neo4j } from 'neo4j-driver';
+import path from 'path';
+
+const driver = neo4j.driver(
+  process.env.NEO4J_URI || 'bolt://localhost:7687',
+  neo4j.auth.basic(
+    process.env.NEO4J_USER || 'neo4j',
+    process.env.NEO4J_PASSWORD || 'letmein'
+  )
+);
+
+export const resetDatabase = async () => {
+  const seedPath = path.resolve(__dirname, '../fixtures/seed.graphml');
+  const session = driver.session();
+  await session.run(`
+    MATCH (n) WHERE n:Actor OR n:Director OR n:Genre OR n:Movie OR n:OnlyDate OR n:User DETACH DELETE n RETURN count(n);
+  `);
+  await session.run(
+    `
+    CALL apoc.import.graphml($seedPath, {batchSize: 10000, storeNodeIds: false, readLabels:true});
+  `,
+    { seedPath }
+  );
+  session.close(() => driver.close());
+};