BinaryObjectsToPNGsNodeParametersTest.java

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 *  Additional permission under GNU GPL version 3 section 7:
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package org.knime.base.filehandling.binaryobjectstopngs;

import java.io.FileInputStream;
import java.io.IOException;

import org.knime.core.data.DataTableSpec;
import org.knime.core.data.DataType;
import org.knime.core.data.blob.BinaryObjectDataCell;
import org.knime.core.node.InvalidSettingsException;
import org.knime.core.node.NodeSettings;
import org.knime.core.node.port.PortObjectSpec;
import org.knime.core.webui.node.dialog.SettingsType;
import org.knime.core.webui.node.dialog.defaultdialog.NodeParametersUtil;
import org.knime.testing.node.dialog.DefaultNodeSettingsSnapshotTest;
import org.knime.testing.node.dialog.SnapshotTestConfiguration;

/**
 * Snapshot test for {@link BinaryObjectsToPNGsNodeParameters}.
 *
 * @author Tim Crundall, TNG Technology Consulting GmbH
 */
@SuppressWarnings("restriction")
final class BinaryObjectsToPNGsNodeParametersTest extends DefaultNodeSettingsSnapshotTest {

    BinaryObjectsToPNGsNodeParametersTest() {
        super(getConfig());
    }

    private static SnapshotTestConfiguration getConfig() {
        return SnapshotTestConfiguration.builder() //
            .withInputPortObjectSpecs(createInputPortSpecs()) //
            .testJsonFormsForModel(BinaryObjectsToPNGsNodeParameters.class) //
            .testJsonFormsWithInstance(SettingsType.MODEL, () -> readSettings()) //
            .testNodeSettingsStructure(() -> readSettings()) //
            .build();
    }

    private static BinaryObjectsToPNGsNodeParameters readSettings() {
        try {
            var path = getSnapshotPath(BinaryObjectsToPNGsNodeParameters.class).getParent().resolve("node_settings")
                .resolve("BinaryObjectsToPNGsNodeParameters.xml");
            try (var fis = new FileInputStream(path.toFile())) {
                var nodeSettings = NodeSettings.loadFromXML(fis);
                return NodeParametersUtil.loadSettings(nodeSettings.getNodeSettings(SettingsType.MODEL.getConfigKey()),
                    BinaryObjectsToPNGsNodeParameters.class);
            }
        } catch (IOException | InvalidSettingsException e) {
            throw new IllegalStateException(e);
        }
    }

    private static PortObjectSpec[] createInputPortSpecs() {
        return new PortObjectSpec[]{createDefaultTestTableSpec()};
    }

    private static DataTableSpec createDefaultTestTableSpec() {
        return new DataTableSpec(new String[]{"foo"},
            new DataType[]{DataType.getType(BinaryObjectDataCell.class), });
    }
}