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Add integration JDBC tests for cursor/fetch_size feature. (#208)
* Add integration JDBC tests for cursor/fetch_size feature. Signed-off-by: Yury-Fridlyand <[email protected]>
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integ-test/src/test/java/org/opensearch/sql/devJdbc/CursorIT.java
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| /* | ||
| * Copyright OpenSearch Contributors | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
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| package org.opensearch.sql.devJdbc; | ||
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| import static org.opensearch.sql.legacy.TestsConstants.TEST_INDEX_BANK; | ||
| import static org.opensearch.sql.legacy.TestsConstants.TEST_INDEX_CALCS; | ||
| import static org.opensearch.sql.legacy.plugin.RestSqlAction.QUERY_API_ENDPOINT; | ||
| import static org.opensearch.sql.util.TestUtils.getResponseBody; | ||
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| import java.io.File; | ||
| import java.net.URL; | ||
| import java.net.URLClassLoader; | ||
| import java.sql.Connection; | ||
| import java.sql.Driver; | ||
| import java.sql.ResultSet; | ||
| import java.sql.Statement; | ||
| import java.util.List; | ||
| import javax.annotation.Nullable; | ||
| import lombok.SneakyThrows; | ||
| import org.json.JSONObject; | ||
| import org.junit.AfterClass; | ||
| import org.junit.Assume; | ||
| import org.junit.BeforeClass; | ||
| import org.junit.jupiter.api.BeforeEach; | ||
| import org.junit.jupiter.api.Test; | ||
| import org.junit.jupiter.api.AfterAll; | ||
| import org.junit.jupiter.api.BeforeAll; | ||
| import org.opensearch.client.Request; | ||
| import org.opensearch.client.RequestOptions; | ||
| import org.opensearch.client.Response; | ||
| import org.opensearch.sql.legacy.SQLIntegTestCase; | ||
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| public class CursorIT extends SQLIntegTestCase { | ||
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| private static Connection connection; | ||
| private static Driver driver; | ||
| private boolean initialized = false; | ||
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| @BeforeEach | ||
| @SneakyThrows | ||
| public void init() { | ||
| if (!initialized) { | ||
| initClient(); | ||
| resetQuerySizeLimit(); | ||
| loadIndex(Index.BANK); | ||
| loadIndex(Index.CALCS); | ||
| loadIndex(Index.ONLINE); | ||
| loadIndex(Index.ACCOUNT); | ||
| initialized = true; | ||
| } | ||
| } | ||
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| @BeforeAll | ||
| @BeforeClass | ||
| @SneakyThrows | ||
| public static void loadDriver() { | ||
| var buildDir = String.format("%s/build/sql-jdbc/build/libs", System.getProperty("project.root")); | ||
| var driverFiles = new File(buildDir). | ||
| listFiles(pathname -> pathname.getAbsolutePath().endsWith(".jar")); | ||
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| Assume.assumeTrue("Driver load failed", driverFiles != null && 1 == driverFiles.length); | ||
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| URLClassLoader loader = new URLClassLoader( | ||
| new URL[] { driverFiles[0].toURI().toURL() }, | ||
| ClassLoader.getSystemClassLoader() | ||
| ); | ||
| driver = (Driver)Class.forName("org.opensearch.jdbc.Driver", true, loader) | ||
| .getDeclaredConstructor().newInstance(); | ||
| connection = driver.connect(getConnectionString(), null); | ||
| } | ||
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| @AfterAll | ||
| @AfterClass | ||
| @SneakyThrows | ||
| public static void closeConnection() { | ||
| // TODO should we close Statement and ResultSet? | ||
| if (connection != null) { | ||
| connection.close(); | ||
| connection = null; | ||
| } | ||
| } | ||
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| @Test | ||
| @SneakyThrows | ||
| public void dev_select_all_small_table_small_cursor() { | ||
| Statement stmt = connection.createStatement(); | ||
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| for (var table : List.of(TEST_INDEX_CALCS, TEST_INDEX_BANK)) { | ||
| var query = String.format("SELECT * FROM %s", table); | ||
| stmt.setFetchSize(3); | ||
| ResultSet rs = stmt.executeQuery(query); | ||
| int rows = 0; | ||
| for (; rs.next(); rows++) ; | ||
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| var restResponse = executeRestQuery(query, null); | ||
| assertEquals(rows, restResponse.getInt("total")); | ||
| } | ||
| } | ||
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| /** | ||
| * Use OpenSearch cluster initialized by OpenSearch Gradle task. | ||
| */ | ||
| private static String getConnectionString() { | ||
| // string like "[::1]:46751,127.0.0.1:34403" | ||
| var clusterUrls = System.getProperty("tests.rest.cluster").split(","); | ||
| return String.format("jdbc:opensearch://%s", clusterUrls[clusterUrls.length - 1]); | ||
| } | ||
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| @SneakyThrows | ||
| protected JSONObject executeRestQuery(String query, @Nullable Integer fetch_size) { | ||
| Request request = new Request("POST", QUERY_API_ENDPOINT); | ||
| if (fetch_size != null) { | ||
| request.setJsonEntity(String.format("{ \"query\": \"%s\", \"fetch_size\": %d }", query, fetch_size)); | ||
| } else { | ||
| request.setJsonEntity(String.format("{ \"query\": \"%s\" }", query)); | ||
| } | ||
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| RequestOptions.Builder restOptionsBuilder = RequestOptions.DEFAULT.toBuilder(); | ||
| restOptionsBuilder.addHeader("Content-Type", "application/json"); | ||
| request.setOptions(restOptionsBuilder); | ||
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| Response response = client().performRequest(request); | ||
| return new JSONObject(getResponseBody(response)); | ||
| } | ||
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| } |
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