129 lines
3.7 KiB
Java
129 lines
3.7 KiB
Java
package main;
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import static java.text.MessageFormat.format;
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import static main.LispMain.*;
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import static org.junit.Assert.assertEquals;
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import java.io.*;
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import java.util.concurrent.CountDownLatch;
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import org.junit.*;
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import org.junit.contrib.java.lang.system.*;
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import com.googlecode.lanterna.input.KeyType;
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import com.googlecode.lanterna.terminal.virtual.DefaultVirtualTerminal;
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import environment.RuntimeEnvironment;
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import interpreter.LispInterpreterBuilderImpl;
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import terminal.*;
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public class MainTest {
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private RuntimeEnvironment environment;
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private CountDownLatch latch;
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public MainTest() {
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this.environment = RuntimeEnvironment.getInstance();
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}
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private void runInterpreterWithFile(String fileName) {
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TerminalConfiguration configuration = new TerminalConfiguration();
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configuration.setInputPair(new PipedOutputStream(), new PipedInputStream());
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configuration.setOutputPair(new PipedOutputStream(), new PipedInputStream());
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configuration.setTerminal(new DefaultVirtualTerminal());
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LispMain main = new LispMain(new LispInterpreterBuilderImpl() {}, configuration);
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main.runWithFile(fileName);
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}
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private VirtualTerminalInteractor runInterpreterAndGetInteractor() {
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VirtualTerminalInteractor terminal = new VirtualTerminalInteractor();
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latch = new CountDownLatch(1);
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new Thread(() -> {
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LispMain main = new LispMain(new LispInterpreterBuilderImpl() {}, terminal.getConfiguration());
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main.runInteractive();
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latch.countDown();
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}).start();
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return terminal;
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}
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private void waitForInterpreterToShutdown() {
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try {
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latch.await();
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} catch (InterruptedException ignored) {}
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}
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private String getSystemOutLog() {
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return systemOutRule.getLogWithNormalizedLineSeparator();
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}
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private String getSystemErrLog() {
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return systemErrRule.getLogWithNormalizedLineSeparator();
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}
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@Rule
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public ExpectedSystemExit exit = ExpectedSystemExit.none();
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@Rule
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public SystemErrRule systemErrRule = new SystemErrRule().enableLog().mute();
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@Rule
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public SystemOutRule systemOutRule = new SystemOutRule().enableLog().mute();
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@Before
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public void setUp() {
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environment.reset();
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}
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@After
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public void tearDown() {
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environment.reset();
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}
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@Test
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public void runWithBadFile() {
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String expectedMessage = "[critical] test/main/test-files/bad.lisp (No such file or directory)";
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exit.expectSystemExitWithStatus(1);
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exit.checkAssertionAfterwards(() -> {
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assertEquals(format("{0}{1}{2}\n", ANSI_PURPLE, expectedMessage, ANSI_RESET), getSystemErrLog());
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assertEquals("", getSystemOutLog());
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});
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runInterpreterWithFile("test/main/test-files/bad.lisp");
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}
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@Test
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public void runWithFile_PrintsDecoratedLastValueOnly() {
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runInterpreterWithFile("test/main/test-files/file.lisp");
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assertEquals("", getSystemErrLog());
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assertEquals(format("{0}{1}{2}\n\n", ANSI_GREEN, "RADISH", ANSI_RESET), getSystemOutLog());
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}
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@Test
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public void runInteractive() {
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VirtualTerminalInteractor terminal = runInterpreterAndGetInteractor();
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terminal.waitForPrompt();
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terminal.enterCharacters("'hi");
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terminal.pressKey(KeyType.Enter);
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terminal.waitForPrompt();
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terminal.assertCursorPosition(2, 5);
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terminal.assertScreenText(GREETING, " ", "~ 'hi ", " ", "HI ", "~ ");
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terminal.enterControlCharacter('d');
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terminal.assertInputStreamClosed();
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waitForInterpreterToShutdown();
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}
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@Test
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public void defaultConstructorCoverage() {
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new LispMain();
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}
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}
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