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added visitReturn tests #93

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Merged
sabotack merged 1 commit into from
May 17, 2023
Merged

added visitReturn tests #93

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53 changes: 53 additions & 0 deletions src/test/interpreter/VisitorUnitTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,7 @@
import org.mockito.Spy;
import org.mockito.junit.jupiter.MockitoExtension;

import java.lang.reflect.Field;
import java.util.concurrent.atomic.AtomicReference;

@ExtendWith(MockitoExtension.class)
Expand All @@ -40,6 +41,7 @@ class VisitorUnitTest {
@Mock private MineScriptParser.OrContext mockOrContext;
@Mock private MineScriptParser.MultDivModContext mockMultDivModContext;
@Mock private MineScriptParser.IsIsNotContext mockIsIsNotContext;
@Mock private MineScriptParser.ReturnContext mockReturnContext;

@ParameterizedTest
@ValueSource(ints = {-1000, -10, 0, 10, 1000})
Expand Down Expand Up @@ -388,4 +390,55 @@ void visitMultDivModInvalidInputThrowsRuntimeException(String left, String right

Assertions.assertThrows(RuntimeException.class, () -> spyVisitor.visitMultDivMod(mockMultDivModContext));
}

@ParameterizedTest
@CsvSource ({"num,-10", "num,0", "num,10",
"rel,left", "rel,right", "rel,up", "rel,down",
"abs,north", "abs,south", "abs,east", "abs,west", "abs,top", "abs,bottom",
"bool,true", "bool,false"})
void visitReturnCorrectTypesReturnValue(String type, String value) {
Field hasReturnedField = null;
boolean hasReturned = false;

// Setup mocks for the context and visit method
Mockito.when(mockReturnContext.expression()).thenReturn(mockExpressionContext1);
switch (type) {
case "num" -> Mockito.when(spyVisitor.visit(mockExpressionContext1)).thenReturn(new MSNumber(Integer.parseInt(value)));
case "rel" -> Mockito.when(spyVisitor.visit(mockExpressionContext1)).thenReturn(new MSRelDir(value));
case "abs" -> Mockito.when(spyVisitor.visit(mockExpressionContext1)).thenReturn(new MSAbsDir(value));
case "bool" -> Mockito.when(spyVisitor.visit(mockExpressionContext1)).thenReturn(new MSBool(Boolean.parseBoolean(value)));
}

// Get the initial value of the hasReturned field of the visitor
try {
hasReturnedField = spyVisitor.getClass().getDeclaredField("hasReturned");
hasReturnedField.setAccessible(true);
hasReturned = hasReturnedField.getBoolean(spyVisitor);
} catch (Exception e) {
throw new RuntimeException(e);
}

// Check that the hasReturned field is false before the visit method is called
Assertions.assertFalse(hasReturned);

// Call the visit method and check that the correct type and value is returned
MSType result = spyVisitor.visitReturn(mockReturnContext);
switch (type) {
case "num" -> Assertions.assertEquals(Integer.parseInt(value), ((MSNumber) result).getValue());
case "rel" -> Assertions.assertEquals(MSRelDir.Direction.valueOf(value.toUpperCase()), ((MSRelDir) result).getValue());
case "abs" -> Assertions.assertEquals(MSAbsDir.Direction.valueOf(value.toUpperCase()), ((MSAbsDir) result).getValue());
case "bool" -> Assertions.assertEquals(Boolean.parseBoolean(value), ((MSBool) result).getValue());
}

// Check that the hasReturned field is true after the visit method is called
try { hasReturned = hasReturnedField.getBoolean(spyVisitor); }
catch (Exception e) { throw new RuntimeException(e); }
Assertions.assertTrue(hasReturned);
}

@Test
void visitReturnNullExpressionThrowsRuntimeException() {
Mockito.when(mockReturnContext.expression()).thenReturn(null);
Assertions.assertThrows(RuntimeException.class, () -> spyVisitor.visitReturn(mockReturnContext));
}
}