DBZ-8043 Add integration tests for all data types.

This is a continuation of
#92.

This IT does not support verifying the float32 values as it is dependent
on a change in Cloud Spanner Emulator, and it should be available in the
next few emulator releases. This is a test-only issue; running this
against production should pass the assertion.

src/test/java/io/debezium/connector/spanner/DataTypesIT.java

@@ -0,0 +1,106 @@
+/*
+ * Copyright Debezium Authors.
+ *
+ * Licensed under the Apache Software License version 2.0, available at http://www.apache.org/licenses/LICENSE-2.0
+ */
+package io.debezium.connector.spanner;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.junit.Assert.assertTrue;
+
+import java.time.Instant;
+import java.time.format.DateTimeFormatter;
+import java.util.Arrays;
+import java.util.List;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.TimeUnit;
+
+import org.apache.kafka.connect.data.Struct;
+import org.apache.kafka.connect.source.SourceRecord;
+import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
+
+import io.debezium.config.Configuration;
+
+public class DataTypesIT extends AbstractSpannerConnectorIT {
+
+    private static final String tableName = "embedded_data_types_tests_table";
+    private static final String changeStreamName = "embeddedDataTypesTestChangeStream";
+    private static final List<String> types = Arrays.asList("BOOL", "INT64",
+            "FLOAT32", "FLOAT64", "TIMESTAMP", "DATE", "STRING", "BYTES",
+            "NUMERIC", "JSON");
+
+    @BeforeAll
+    static void setup() throws InterruptedException, ExecutionException {
+
+        databaseConnection.createTable(tableName + "(id INT64,"
+                + "  boolCol BOOL,"
+                + "  int64Col INT64,"
+                + "  float32Col FLOAT32,"
+                + "  float64Col FLOAT64,"
+                + "  timestampCol TIMESTAMP,"
+                + "  dateCol DATE,"
+                + "  stringCol STRING(MAX),"
+                + "  bytesCol BYTES(MAX),"
+                + "  numericCol NUMERIC,"
+                + "  jsonCol JSON,"
+                + "  arrCol ARRAY<STRING(MAX)>,"
+                + ") PRIMARY KEY (id)");
+        databaseConnection.createChangeStream(changeStreamName, tableName);
+
+        System.out.println("DataTypesIT is ready...");
+    }
+
+    @AfterAll
+    static void clear() throws InterruptedException {
+        databaseConnection.dropChangeStream(changeStreamName);
+        databaseConnection.dropTable(tableName);
+    }
+
+    @Test
+    public void shouldStreamUpdatesToKafkaWithTheCorrectType() throws InterruptedException {
+      final Configuration config = Configuration.copy(baseConfig)
+                .with("gcp.spanner.change.stream", changeStreamName)
+                .with("name", tableName + "_test")
+                .with("gcp.spanner.start.time",
+                        DateTimeFormatter.ISO_INSTANT.format(Instant.now()))
+                .build();
+        initializeConnectorTestFramework();
+        start(SpannerConnector.class, config);
+        assertConnectorIsRunning();
+        databaseConnection.executeUpdate("INSERT INTO " + tableName
+                + "(id, boolCol, int64Col, float32Col, float64Col, timestampCol,"
+                + " dateCol, stringCol, bytesCol, numericCol, jsonCol, arrCol) "
+                + "VALUES"
+                + " (1, true, 42, 3.14, 2.71, '1970-01-01 00:00:00 UTC',"
+                + "  '1970-01-01', 'stringVal', b'bytesVal', 6.023,"
+                + "  JSON '\"Hello\"', ['a', 'b'])");
+        waitForAvailableRecords(waitTimeForRecords(), TimeUnit.SECONDS);
+        SourceRecords sourceRecords = consumeRecordsByTopic(10, false);
+        List<SourceRecord> records = sourceRecords.recordsForTopic(getTopicName(config, tableName));
+        assertThat(records).hasSize(1);
+
+        Struct record = (Struct) (records.get(0).value());
+        assertThat(record.get("op")).isEqualTo("c");
+        assertThat(record.schema().field("after")).isNotNull();
+
+        Struct values = record.getStruct("after");
+
+        assertTrue(values.getBoolean("boolCol"));
+        assertThat(values.getInt64("int64Col")).isEqualTo(42);
+        // TODO: uncomment after emulator is released with the FLOAT32 support.
+        // assertThat(values.getFloat32("float32Col")).isEqualTo(3.14f);
+        assertThat(values.getFloat64("float64Col")).isEqualTo(2.71);
+        assertThat(values.getString("timestampCol")).isEqualTo("1970-01-01T00:00:00Z");
+        assertThat(values.getString("dateCol")).isEqualTo("1970-01-01");
+        assertThat(values.getString("stringCol")).isEqualTo("stringVal");
+        assertThat(values.getBytes("bytesCol")).isEqualTo("bytesVal".getBytes());
+        assertThat(values.getString("numericCol")).isEqualTo("6.023");
+        assertThat(values.getString("jsonCol")).isEqualTo("\"Hello\"");
+        assertThat(values.getArray("arrCol")).containsExactly("a", "b");
+
+        stopConnector();
+        assertConnectorNotRunning();
+    }
+}