122 lines
3.6 KiB
Java
122 lines
3.6 KiB
Java
package oysteikt.calc;
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import javafx.fxml.FXMLLoader;
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import javafx.scene.Parent;
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import javafx.scene.Scene;
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import javafx.scene.control.Label;
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import javafx.scene.control.ListView;
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import javafx.stage.Stage;
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import oysteikt.calc.CalcController;
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import java.io.IOException;
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import java.util.List;
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import java.util.stream.Stream;
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import org.junit.jupiter.api.Assertions;
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import org.junit.jupiter.api.Test;
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import org.junit.jupiter.params.ParameterizedTest;
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import org.junit.jupiter.params.provider.Arguments;
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import org.junit.jupiter.params.provider.MethodSource;
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import org.testfx.framework.junit5.ApplicationTest;
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import org.testfx.matcher.control.LabeledMatchers;
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/**
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* TestFX App test
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*/
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public class CalcAppTest extends ApplicationTest {
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private CalcController controller;
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private Parent root;
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@Override
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public void start(Stage stage) throws IOException {
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FXMLLoader fxmlLoader = new FXMLLoader(this.getClass().getResource("Calc.fxml"));
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root = fxmlLoader.load();
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controller = fxmlLoader.getController();
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stage.setScene(new Scene(root));
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stage.show();
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}
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public Parent getRootNode() {
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return root;
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}
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private String enterLabel = """
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E
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n
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t
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e
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r
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""".stripTrailing();
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private void click(String... labels) {
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for (var label : labels) {
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clickOn(LabeledMatchers.hasText(label));
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}
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}
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private String getOperandString() {
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return ((Label) getRootNode().lookup("#operandView")).getText();
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}
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private ListView<Double> getOperandsView() {
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return (ListView<Double>) getRootNode().lookup("#operandsView");
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}
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private void checkView(double... operands) {
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for (int i = 0; i < operands.length; i++) {
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Assertions.assertEquals(operands[i], controller.getCalc().peekOperand(i),
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"Wrong value at #" + i + " of operand stack");
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}
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List<Double> viewItems = getOperandsView().getItems();
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for (int i = 0; i < operands.length; i++) {
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Assertions.assertEquals(operands[i], viewItems.get(viewItems.size() - i - 1),
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"Wrong value at #" + i + " of operands view");
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}
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}
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private void checkView(String operandString, double... operands) {
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Assertions.assertEquals(operandString, getOperandString());
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checkView(operands);
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}
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// see https://www.baeldung.com/parameterized-tests-junit-5
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// about @ParameterizedTest
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@ParameterizedTest
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@MethodSource
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public void testClicksOperand(String labels, String operandString) {
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for (var label : labels.split(" ")) {
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click(label);
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}
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checkView(operandString);
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}
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private static Stream<Arguments> testClicksOperand() {
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return Stream.of(Arguments.of("2 7", "27"), Arguments.of("2 7 .", "27."), Arguments.of("2 7 . 5", "27.5"),
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Arguments.of("2 7 . 5 .", "27."));
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}
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@ParameterizedTest
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@MethodSource
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public void testClicksOperands(String labels, String operandsString) {
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for (var label : labels.split(" ")) {
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click(label.equals("\n") ? enterLabel : label);
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}
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checkView("", Stream.of(operandsString.split(" ")).mapToDouble(Double::valueOf).toArray());
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}
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private static Stream<Arguments> testClicksOperands() {
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return Stream.of(Arguments.of("2 7 . 5 \n", "27.5"), Arguments.of("2 7 \n", "27.0"),
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Arguments.of("2 \n 7 \n 5 \n", "5.0", "7.0", "2.0"), Arguments.of("2 7 . \n", "27.0"),
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Arguments.of("2 7 . 5 \n", "27.5"), Arguments.of("2 \n 7 +", "9.0"), Arguments.of("2 \n 7 -", "-5.0"),
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Arguments.of("2 \n 7 *", "14.0"), Arguments.of("6 \n 3 /", "2.0"), Arguments.of("2 5 \n √", "5.0"));
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}
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@Test
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public void testPi() {
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click("π");
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checkView("", Math.PI);
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}
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}
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