markap14 commented on a change in pull request #5113:
URL: https://github.com/apache/nifi/pull/5113#discussion_r664843927
##########
File path:
nifi-system-tests/nifi-stateless-system-test-suite/src/test/java/org/apache/nifi/stateless/parameters/ParameterContextIT.java
##########
@@ -47,6 +50,174 @@
public class ParameterContextIT extends StatelessSystemIT {
+ @Test
+ public void testCustomParameterProvider() throws IOException,
StatelessConfigurationException, InterruptedException {
+ final VersionedFlowBuilder flowBuilder = new VersionedFlowBuilder();
+ final VersionedPort outPort = flowBuilder.createOutputPort("Out");
+ final VersionedProcessor generate =
flowBuilder.createSimpleProcessor("GenerateFlowFile");
+
+ generate.setProperties(Collections.singletonMap("Batch Size",
"#{three}"));
+ flowBuilder.createConnection(generate, outPort, "success");
+
+ final VersionedFlowSnapshot flowSnapshot =
flowBuilder.getFlowSnapshot();
+
+ // Define the Parameter Context to use
+ final ParameterProviderDefinition numericParameterProvider = new
ParameterProviderDefinition();
+ numericParameterProvider.setName("Numeric Parameter Provider");
+
numericParameterProvider.setType("org.apache.nifi.stateless.parameters.NumericParameterProvider");
+ final List<ParameterProviderDefinition> parameterProviders =
Collections.singletonList(numericParameterProvider);
+
+ // Create a Parameter Context & set it on the root group.
+ final VersionedParameterContext parameterContext =
flowBuilder.createParameterContext("Context 1");
+ parameterContext.getParameters().add(createVersionedParameter("three",
"-1")); // Set value to -1. This should be overridden by the Numeric Parameter
Context.
+ flowBuilder.getRootGroup().setParameterContextName("Context 1");
+
+ // Startup the dataflow
+ final StatelessDataflow dataflow = loadDataflow(flowSnapshot,
Collections.emptyList(), parameterProviders, Collections.emptySet(),
TransactionThresholds.SINGLE_FLOWFILE);
+
+ final DataflowTrigger trigger = dataflow.trigger();
+ final TriggerResult result = trigger.getResult();
+ final List<FlowFile> outputFlowFiles =
result.getOutputFlowFiles().get("Out");
+ assertEquals(3, outputFlowFiles.size());
+ result.acknowledge();
+ }
+
+
+ @Test
+ public void testInvalidParameterProvider() throws IOException,
StatelessConfigurationException {
+ final VersionedFlowBuilder flowBuilder = new VersionedFlowBuilder();
+ final VersionedPort outPort = flowBuilder.createOutputPort("Out");
+ final VersionedProcessor generate =
flowBuilder.createSimpleProcessor("GenerateFlowFile");
+
+ generate.setProperties(Collections.singletonMap("Batch Size",
"#{three}"));
+ flowBuilder.createConnection(generate, outPort, "success");
+
+ final VersionedFlowSnapshot flowSnapshot =
flowBuilder.getFlowSnapshot();
+
+ // Define the Parameter Context to use
+ final ParameterProviderDefinition numericParameterProvider = new
ParameterProviderDefinition();
+ numericParameterProvider.setName("Invalid Parameter Provider");
+
numericParameterProvider.setType("org.apache.nifi.stateless.parameters.InvalidParameterProvider");
+ final List<ParameterProviderDefinition> parameterProviders =
Collections.singletonList(numericParameterProvider);
+
+ // Create a Parameter Context & set it on the root group.
+ final VersionedParameterContext parameterContext =
flowBuilder.createParameterContext("Context 1");
+ parameterContext.getParameters().add(createVersionedParameter("three",
"-1")); // Set value to -1. This should be overridden by the Numeric Parameter
Context.
+ flowBuilder.getRootGroup().setParameterContextName("Context 1");
+
+ try {
+ loadDataflow(flowSnapshot, Collections.emptyList(),
parameterProviders, Collections.emptySet(),
TransactionThresholds.SINGLE_FLOWFILE);
+ Assert.fail("Expected to fail on startup because parameter
provider is not valid");
+ } catch (final IllegalStateException expected) {
+ }
Review comment:
Didn't realize that `assertThrows` had been added to JUnit 4. Will
update that.
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