minifi-commons/minifi-commons-schema/src/test/java/org/apache/nifi/minifi/commons/schema/ProcessGroupSchemaTest.java

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package org.apache.nifi.minifi.commons.schema;

import org.apache.nifi.minifi.commons.schema.common.CommonPropertyKeys;
import org.junit.Test;

import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
import java.util.stream.Collectors;

import static org.junit.Assert.assertEquals;

public class ProcessGroupSchemaTest {
    @Test
    public void testNoPortsRootGroup() {
        validateIssuesNumMatches(0, new ProcessGroupSchema(new HashMap<>(), ConfigSchema.TOP_LEVEL_NAME));
    }

    @Test
    public void testInputPortsRootGroup() {
        Map<String, Object> map = new HashMap<>();
        map.put(CommonPropertyKeys.INPUT_PORTS_KEY, Arrays.asList(createPortSchema("testId", "testName", ConfigSchema.TOP_LEVEL_NAME).toMap()));
        validateIssuesNumMatches(1, new ProcessGroupSchema(map, ConfigSchema.TOP_LEVEL_NAME));
    }

    @Test
    public void testOutputPortsRootGroup() {
        Map<String, Object> map = new HashMap<>();
        map.put(CommonPropertyKeys.OUTPUT_PORTS_KEY, Arrays.asList(createPortSchema("testId", "testName", ConfigSchema.TOP_LEVEL_NAME).toMap()));
        validateIssuesNumMatches(1, new ProcessGroupSchema(map, ConfigSchema.TOP_LEVEL_NAME));
    }

    private PortSchema createPortSchema(String id, String name, String wrapperName) {
        Map<String, Object> map = new HashMap<>();
        map.put(CommonPropertyKeys.ID_KEY, id);
        map.put(CommonPropertyKeys.NAME_KEY, name);
        return new PortSchema(map, wrapperName);
    }

    private void validateIssuesNumMatches(int expected, ProcessGroupSchema processGroupSchema) {
        int actual = processGroupSchema.getValidationIssues().size();
        String issues = "[" + System.lineSeparator() + processGroupSchema.getValidationIssues().stream().collect(Collectors.joining("," + System.lineSeparator())) + "]";
        assertEquals("Expected " + expected + " issue(s), got " + actual + ": " + issues, expected, actual);
    }
}