92 lines
2.5 KiB
Java
92 lines
2.5 KiB
Java
package interpreter;
|
|
|
|
import static error.ErrorManager.Severity.CRITICAL;
|
|
import static org.junit.Assert.*;
|
|
|
|
import java.io.*;
|
|
|
|
import org.junit.*;
|
|
|
|
import interpreter.LispInterpreterBuilderImpl.InterpreterAlreadyBuiltException;
|
|
|
|
public class LispInterpreterBuilderTester {
|
|
|
|
private LispInterpreterBuilder builder = new LispInterpreterBuilderImpl() {
|
|
|
|
@Override
|
|
public void reset() {
|
|
this.isBuilt = false;
|
|
}
|
|
};
|
|
|
|
private void setCommonFeatures() {
|
|
builder.setOutput(new PrintStream(new ByteArrayOutputStream()));
|
|
builder.setErrorOutput(new PrintStream(new ByteArrayOutputStream()));
|
|
builder.setTerminationFunction(() -> {});
|
|
builder.setErrorTerminationFunction(() -> {});
|
|
}
|
|
|
|
@Before
|
|
public void setUp() throws Exception {
|
|
builder.reset();
|
|
}
|
|
|
|
@After
|
|
public void tearDown() throws Exception {
|
|
builder.reset();
|
|
}
|
|
|
|
@Test
|
|
public void buildInteractiveInterpreter() {
|
|
setCommonFeatures();
|
|
builder.setInput(System.in, "stdin");
|
|
LispInterpreter interpreter = builder.build();
|
|
|
|
assertTrue(interpreter instanceof InteractiveLispInterpreter);
|
|
}
|
|
|
|
@Test
|
|
public void buildNonInteractiveInterpreter() {
|
|
setCommonFeatures();
|
|
builder.setInput(System.in, "stdin");
|
|
builder.setNotInteractive();
|
|
LispInterpreter interpreter = builder.build();
|
|
|
|
assertFalse(interpreter instanceof InteractiveLispInterpreter);
|
|
}
|
|
|
|
@Test
|
|
public void buildFileBasedInterpreter() {
|
|
setCommonFeatures();
|
|
builder.useFile("test/interpreter/test-files/file.lisp");
|
|
LispInterpreter interpreter = builder.build();
|
|
|
|
assertFalse(interpreter instanceof InteractiveLispInterpreter);
|
|
}
|
|
|
|
@Test(expected = InterpreterAlreadyBuiltException.class)
|
|
public void cannotBuildMoreThanOneInterpreter() {
|
|
builder.build();
|
|
builder.build();
|
|
}
|
|
|
|
@Test
|
|
public void interpreterAlreadyBuiltException_HasCorrectAttributes() {
|
|
InterpreterAlreadyBuiltException e = new InterpreterAlreadyBuiltException();
|
|
|
|
assertEquals(CRITICAL, e.getSeverity());
|
|
assertNotNull(e.getMessage());
|
|
assertTrue(e.getMessage().length() > 0);
|
|
}
|
|
|
|
@Test(expected = InterpreterAlreadyBuiltException.class)
|
|
public void resetNormallyDoesNothing() {
|
|
builder = new LispInterpreterBuilderImpl();
|
|
|
|
builder.build();
|
|
builder.reset();
|
|
builder.build();
|
|
}
|
|
|
|
}
|