xuzhiwen1255 commented on code in PR #21971:
URL: https://github.com/apache/flink/pull/21971#discussion_r1119521354
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flink-table/flink-table-api-java-bridge/src/test/java/org/apache/flink/table/factories/DataGenTableSourceFactoryTest.java:
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@@ -264,7 +267,68 @@ void testSequenceCheckpointRestore() throws Exception {
}
@Test
- void testLackStartForSequence() {
+ void testDefaultValueForSequence() {
+ DescriptorProperties descriptor = new DescriptorProperties();
+ descriptor.putString(FactoryUtil.CONNECTOR.key(), "datagen");
+ descriptor.putString(
+ DataGenConnectorOptionsUtil.FIELDS + ".f0." +
DataGenConnectorOptionsUtil.KIND,
+ DataGenConnectorOptionsUtil.SEQUENCE);
+
+ DataGenTableSource source =
+ (DataGenTableSource)
+ createTableSource(
+ ResolvedSchema.of(Column.physical("f0",
DataTypes.BIGINT())),
+ descriptor.asMap());
+ DataGenerator<?>[] fieldGenerators = source.getFieldGenerators();
+ SequenceGenerator<?> fieldGenerator = (SequenceGenerator<?>)
fieldGenerators[0];
+ long start = fieldGenerator.getStart();
+ long end = fieldGenerator.getEnd();
+
+ Assertions.assertThat(0)
+ .describedAs("The default start value should be 0")
+ .isEqualTo(start);
+ Assertions.assertThat(Integer.MAX_VALUE)
+ .describedAs("The default start value should be
Integer.MAX_VALUE")
+ .isEqualTo(end);
+ }
+
+ @Test
+ void testStartEndForSequence() {
+ DescriptorProperties descriptor = new DescriptorProperties();
+ descriptor.putString(FactoryUtil.CONNECTOR.key(), "datagen");
+ descriptor.putString(
+ DataGenConnectorOptionsUtil.FIELDS + ".f0." +
DataGenConnectorOptionsUtil.KIND,
+ DataGenConnectorOptionsUtil.SEQUENCE);
+ final int setupStart = 10;
+ descriptor.putLong(
+ DataGenConnectorOptionsUtil.FIELDS + ".f0." +
DataGenConnectorOptionsUtil.START,
+ setupStart);
+ final int setupEnd = 100;
+ descriptor.putLong(
+ DataGenConnectorOptionsUtil.FIELDS + ".f0." +
DataGenConnectorOptionsUtil.END,
+ setupEnd);
+
+ DataGenTableSource source =
+ (DataGenTableSource)
+ createTableSource(
+ ResolvedSchema.of(Column.physical("f0",
DataTypes.BIGINT())),
+ descriptor.asMap());
+ DataGenerator<?>[] fieldGenerators = source.getFieldGenerators();
+ SequenceGenerator<?> fieldGenerator = (SequenceGenerator<?>)
fieldGenerators[0];
+ long start = fieldGenerator.getStart();
+ long end = fieldGenerator.getEnd();
+
+ Assertions.assertThat(setupStart)
+ .describedAs("The default start value should be " + setupStart)
+ .isEqualTo(start);
+ Assertions.assertThat(setupEnd)
+ .describedAs("The default start value should be " + setupEnd)
+ .isEqualTo(end);
+ }
+
+ @Test
+ void testCornerCaseForSequence() {
+ // An example of testing that the end value is greater than the start
value
Review Comment:
Added a new test case, has been modified.
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