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Add unit tests for expressions (#12262)
* checkpoint * Checkpoint2 * Broken Checkpoint * Green * rename test * Clean up * Cleanup * Checkpoint * Update * cleanup * failing test * Fix * sbt javafmt * Fix * sbt javafmtAll * fmt
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54 changes: 54 additions & 0 deletions
54
std-bits/table/src/test/java/org/enso/table/expressions/ExpressionVisitorImplTest.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,54 @@ | ||
| package org.enso.table.expressions; | ||
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| import static org.junit.Assert.assertEquals; | ||
| import static org.mockito.Mockito.mock; | ||
| import static org.mockito.Mockito.when; | ||
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| import java.util.function.Function; | ||
| import org.graalvm.polyglot.Value; | ||
| import org.junit.Rule; | ||
| import org.junit.Test; | ||
| import org.junit.jupiter.api.extension.ExtendWith; | ||
| import org.mockito.Mock; | ||
| import org.mockito.junit.MockitoJUnit; | ||
| import org.mockito.junit.MockitoRule; | ||
| import org.mockito.junit.jupiter.MockitoExtension; | ||
| import org.mockito.quality.Strictness; | ||
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| @ExtendWith(MockitoExtension.class) | ||
| public class ExpressionVisitorImplTest { | ||
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| @Rule public MockitoRule mockitoRule = MockitoJUnit.rule().strictness(Strictness.STRICT_STUBS); | ||
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| @Mock private Function<String, Value> getColumn; | ||
| @Mock private Function<Object, Value> makeConstantColumn; | ||
| @Mock private Function<String, Value> getMethod; | ||
| @Mock private Function<String, Value> makeConstructor; | ||
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| private Value evaluate(String expr) { | ||
| return ExpressionVisitorImpl.evaluateImpl( | ||
| expr, getColumn, makeConstantColumn, getMethod, makeConstructor, new String[] {}); | ||
| } | ||
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| @Test | ||
| public void testIntegerConstant() { | ||
| Value result = evaluate("1"); | ||
| assertEquals(1, result.asInt()); | ||
| } | ||
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| @Test | ||
| public void testSimpleMethodOnColumn() { | ||
| Value mockedColumn1 = mock(Value.class); | ||
| Value mockedMethodTextLength = mock(Value.class); | ||
| Value mockedResult = mock(Value.class); | ||
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| when(getColumn.apply("Column 1")).thenReturn(mockedColumn1); | ||
| when(getMethod.apply("text_length")).thenReturn(mockedMethodTextLength); | ||
| when(mockedMethodTextLength.canExecute()).thenReturn(true); | ||
| when(mockedMethodTextLength.execute(mockedColumn1)).thenReturn(mockedResult); | ||
| when(makeConstantColumn.apply(mockedResult)).thenReturn(mockedResult); | ||
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| Value result = evaluate("text_length([Column 1])"); | ||
| assertEquals(mockedResult, result); | ||
| } | ||
| } |