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NIFI-2998: Add validator to Avro Record Name in InferAvroSchema 

This closes #1187
This commit is contained in:
Matt Burgess 2016-11-08 11:56:14 -05:00 committed by Oleg Zhurakousky
parent 78020825e9
commit 63bda32a8b
2 changed files with 29 additions and 2 deletions
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7
nifi-nar-bundles/nifi-kite-bundle/nifi-kite-processors/src/main/java/org/apache/nifi/processors/kite/InferAvroSchema.java
View File

@ -57,6 +57,7 @@ import java.util.Set;
import java.util.HashSet;
import java.util.Collections;
import java.util.concurrent.atomic.AtomicReference;
import java.util.regex.Pattern;
@Tags({"kite", "avro", "infer", "schema", "csv", "json"})
@InputRequirement(InputRequirement.Requirement.INPUT_REQUIRED)
@ -111,6 +112,7 @@ public class InferAvroSchema
public static final String CSV_MIME_TYPE = "text/csv";
public static final String AVRO_MIME_TYPE = "application/avro-binary";
public static final String AVRO_FILE_EXTENSION = ".avro";
public static final Pattern AVRO_RECORD_NAME_PATTERN = Pattern.compile("[A-Za-z_]+[A-Za-z0-9_.]*[^.]");
public static final PropertyDescriptor SCHEMA_DESTINATION = new PropertyDescriptor.Builder()
.name("Schema Output Destination")
@ -202,10 +204,11 @@ public class InferAvroSchema
public static final PropertyDescriptor RECORD_NAME = new PropertyDescriptor.Builder()
.name("Avro Record Name")
.description("Value to be placed in the Avro record schema \"name\" field.")
.description("Value to be placed in the Avro record schema \"name\" field. The value must adhere to the Avro naming "
+ "rules for fullname. If Expression Language is present then the evaluated value must adhere to the Avro naming rules.")
.required(true)
.expressionLanguageSupported(true)
.addValidator(StandardValidators.NON_EMPTY_VALIDATOR)
.addValidator(StandardValidators.createRegexMatchingValidator(AVRO_RECORD_NAME_PATTERN))
.build();
public static final PropertyDescriptor CHARSET = new PropertyDescriptor.Builder()

24
nifi-nar-bundles/nifi-kite-bundle/nifi-kite-processors/src/test/java/org/apache/nifi/processors/kite/TestInferAvroSchema.java
View File

@ -63,6 +63,30 @@ public class TestInferAvroSchema {
runner.setProperty(InferAvroSchema.PRETTY_AVRO_OUTPUT, "true");
}
@Test
public void testRecordName() throws Exception {
// Dot at the end is invalid
runner.setProperty(InferAvroSchema.RECORD_NAME, "org.apache.nifi.contact.");
runner.assertNotValid();
// Dashes are invalid
runner.setProperty(InferAvroSchema.RECORD_NAME, "avro-schema");
runner.assertNotValid();
// Name cannot start with a digit
runner.setProperty(InferAvroSchema.RECORD_NAME, "1Record");
runner.assertNotValid();
// Name cannot start with a dot
runner.setProperty(InferAvroSchema.RECORD_NAME, ".record");
runner.assertNotValid();
runner.setProperty(InferAvroSchema.RECORD_NAME, "avro_schema");
runner.assertValid();
runner.setProperty(InferAvroSchema.RECORD_NAME, "org.apache.nifi.contact");
runner.assertValid();
runner.setProperty(InferAvroSchema.RECORD_NAME, "${filename}"); // EL is valid, although its value may not be when evaluated
runner.assertValid();
}
@Test
public void inferAvroSchemaFromHeaderDefinitionOfCSVFile() throws Exception {