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Feature/multi language integ tests #357

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Feature/multi language integ tests #357

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019db95
Adding Java integration test
gmartim Jul 3, 2024
56e0d03
Downgrade Java's version
gmartim Jul 3, 2024
12c9a78
Adding new integration test
gmartim Jul 22, 2024
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64 changes: 64 additions & 0 deletions workshops/serverless-testing-workshop/java/unicorn-reservation-system/pom.xml
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<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>

<groupId>com.myorg</groupId>
<artifactId>unicorn-reservation-system</artifactId>
<packaging>jar</packaging>
<version>1.0-SNAPSHOT</version>

<name>unicorn-reservation-system</name>

<properties>
<aws.java.sdk.version>2.26.7</aws.java.sdk.version>
<junit5.version>5.10.2</junit5.version>
<maven.compiler.source>17</maven.compiler.source>
<maven.compiler.target>17</maven.compiler.target>
</properties>

<dependencyManagement>
<dependencies>
<dependency>
<groupId>software.amazon.awssdk</groupId>
<artifactId>bom</artifactId>
<version>${aws.java.sdk.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>

<dependencies>
<dependency>
<groupId>software.amazon.awssdk</groupId>
<artifactId>cloudformation</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>software.amazon.awssdk</groupId>
<artifactId>dynamodb</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>software.amazon.awssdk</groupId>
<artifactId>s3</artifactId>
</dependency>
<dependency>
<groupId>software.amazon.awssdk</groupId>
<artifactId>apache-client</artifactId>
</dependency>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter</artifactId>
<version>${junit5.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpclient</artifactId>
<version>4.5.14</version>
<scope>test</scope>
</dependency>
</dependencies>
</project>
9 changes: 9 additions & 0 deletions ...ess-testing-workshop/java/unicorn-reservation-system/src/main/java/com/myorg/urs/App.java
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package com.myorg.urs;

public class App {

public static void main(String... arguments) {
System.out.println("Hello World!");
}

}
183 changes: 183 additions & 0 deletions ...unicorn-reservation-system/src/test/java/com/myorg/urs/integration/TestFileProcessor.java
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package com.myorg.urs.integration;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.UUID;

import org.junit.jupiter.api.AfterAll;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.Test;

import software.amazon.awssdk.core.sync.RequestBody;
import software.amazon.awssdk.http.apache.ApacheHttpClient;
import software.amazon.awssdk.services.cloudformation.CloudFormationClient;
import software.amazon.awssdk.services.cloudformation.model.DescribeStacksRequest;
import software.amazon.awssdk.services.cloudformation.model.DescribeStacksResponse;
import software.amazon.awssdk.services.dynamodb.DynamoDbClient;
import software.amazon.awssdk.services.dynamodb.model.AttributeValue;
import software.amazon.awssdk.services.dynamodb.model.DeleteItemRequest;
import software.amazon.awssdk.services.dynamodb.model.DeleteItemResponse;
import software.amazon.awssdk.services.dynamodb.model.GetItemRequest;
import software.amazon.awssdk.services.dynamodb.model.GetItemResponse;
import software.amazon.awssdk.services.dynamodb.model.PutItemRequest;
import software.amazon.awssdk.services.dynamodb.model.PutItemResponse;
import software.amazon.awssdk.services.s3.S3Client;
import software.amazon.awssdk.services.s3.model.PutObjectRequest;
import software.amazon.awssdk.services.s3.model.PutObjectResponse;

public class TestFileProcessor {

private static S3Client s3Client;

private static String dynamoDbTableName;

private static String unicornInventoryBucket;

private static String idPostfix;

private static String testUnicorn;

private static String testLocation;

@BeforeAll
public static void runBeforeAll() {
s3Client = S3Client.builder()
.httpClient(ApacheHttpClient.create())
.build();

String awsSamStackName = System.getenv("AWS_SAM_STACK_NAME");

Assertions.assertNotNull(awsSamStackName);

DescribeStacksRequest describeStacksRequest = DescribeStacksRequest.builder().stackName(awsSamStackName)
.build();

CloudFormationClient cloudFormationClient = CloudFormationClient.builder().build();

DescribeStacksResponse describeStacksResponse = cloudFormationClient.describeStacks(describeStacksRequest);

Assertions.assertNotNull(describeStacksResponse);

describeStacksResponse.stacks().forEach(stack -> stack.outputs().forEach(output -> {
if (output.outputKey().equals("DynamoDBTableName")) {
dynamoDbTableName = output.outputValue();
} else if (output.outputKey().equals("UnicornInventoryBucket")) {
unicornInventoryBucket = output.outputValue();
}
}));

Assertions.assertNotNull(dynamoDbTableName);
Assertions.assertNotNull(unicornInventoryBucket);

idPostfix = "_%s".formatted(UUID.randomUUID().toString());
testUnicorn = "TEST_UNI%s".formatted(idPostfix);
testLocation = "TEST_LOC%s".formatted(idPostfix);
}

@AfterAll
public static void runAfterAll() {
// Delete testUnicorn
Map<String, AttributeValue> key = Map.of("PK", AttributeValue.builder().s(testUnicorn).build());

GetItemRequest getItemRequest = GetItemRequest.builder().tableName(dynamoDbTableName).key(key).build();

DynamoDbClient dynamoDbClient = DynamoDbClient.builder().build();

GetItemResponse getItemResponse = dynamoDbClient.getItem(getItemRequest);

if (getItemResponse.hasItem()) {
DeleteItemRequest deleteItemRequest = DeleteItemRequest.builder().tableName(dynamoDbTableName).key(key)
.build();

DeleteItemResponse deleteItemResponse = dynamoDbClient.deleteItem(deleteItemRequest);

Assertions.assertNotNull(deleteItemResponse);
}

// Update LOCATION#LIST without testLocation
key = Map.of("PK", AttributeValue.builder().s("LOCATION#LIST").build());

getItemRequest = GetItemRequest.builder().tableName(dynamoDbTableName).key(key).build();

dynamoDbClient = DynamoDbClient.builder().build();

getItemResponse = dynamoDbClient.getItem(getItemRequest);

Assertions.assertNotNull(getItemResponse);

List<AttributeValue> locations = getItemResponse.item().get("LOCATIONS").l();

List<AttributeValue> updatedLocations = new ArrayList<>();

for (AttributeValue location : locations) {
if (!location.s().equals(testLocation)) {
updatedLocations.add(location);
}
}

Map<String, AttributeValue> item = Map.of("PK", AttributeValue.builder().s("LOCATION#LIST").build(),
"LOCATIONS", AttributeValue.builder().l(updatedLocations).build());

PutItemRequest putItemRequest = PutItemRequest.builder().tableName(dynamoDbTableName).item(item).build();

PutItemResponse putItemResponse = dynamoDbClient.putItem(putItemRequest);

Assertions.assertNotNull(putItemResponse);
}

@Test
public void testFileProcessorHappyPath() {
Map<String, AttributeValue> key = Map.of("PK", AttributeValue.builder().s(testUnicorn).build());

GetItemRequest getItemRequest = GetItemRequest.builder().tableName(dynamoDbTableName).key(key).build();

DynamoDbClient dynamoDbClient = DynamoDbClient.builder().build();

GetItemResponse getItemResponse = dynamoDbClient.getItem(getItemRequest);

Assertions.assertFalse(getItemResponse.hasItem());

String testDataCsv = "\"Unicorn Name\",\"Unicorn Location\"\n";
testDataCsv += "\"%s\",\"%s\"\n".formatted(testUnicorn, testLocation);

String testDataKey = "INTEGRATION_TEST/TEST%s.test_file_processor_happy_path.csv".formatted(idPostfix);

PutObjectRequest putObjectRequest = PutObjectRequest.builder().bucket(unicornInventoryBucket)
.key(testDataKey).build();

PutObjectResponse putObjectResponse = s3Client.putObject(putObjectRequest, RequestBody.fromString(testDataCsv));
Assertions.assertNotNull(putObjectResponse);

int pollMaxSeconds = 30;
int pollCompleteSeconds = 0;

while (pollCompleteSeconds < pollMaxSeconds) {
getItemResponse = dynamoDbClient.getItem(getItemRequest);

if (getItemResponse.hasItem()) {
break;
}

try {
Thread.sleep(1000);
} catch (InterruptedException exception) {
Assertions.fail(exception);
}

pollCompleteSeconds++;
}

Assertions.assertTrue(getItemResponse.hasItem(), "Item not found after time allowed for processing.");
Assertions.assertTrue((pollCompleteSeconds <= 2),
"Unicorns should be fast! Took too long: %d sec".formatted(pollCompleteSeconds));
Assertions.assertEquals(getItemResponse.item().get("PK").s(), testUnicorn,
"Table PK is not set to the Unicorn Name: %s expected %s"
.formatted(getItemResponse.item().get("PK").s(), testUnicorn));
Assertions.assertEquals(getItemResponse.item().get("LOCATION").s(), testLocation,
"Table LOCATION is not set to the Unicorn Location: %s expected %s"
.formatted(getItemResponse.item().get("LOCATION").s(), testLocation));
}

}
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