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package org.shedlang.compiler.parser;
import org.junit.jupiter.api.Test;
import org.shedlang.compiler.types.Visibility;
import static org.shedlang.compiler.ast.untyped.UntypedNodeMatchers.*;
import static org.shedlang.compiler.parser.ParserTesting.parseString;
import static org.zwobble.precisely.AssertThat.assertThat;
import static org.zwobble.precisely.Matchers.isSequence;
public class ParserEffectDefinitionTests {
@Test
public void canParseEffectName() {
var source = """
effect State {
}""";
var node = parseString(source, Parser::parseNamespaceStatement);
assertThat(
node,
isUntypedEffectDefinitionNode()
.withName("State")
);
}
@Test
public void defaultVisibilityIsPrivate() {
var source = """
effect State {
}""";
var node = parseString(source, Parser::parseNamespaceStatement);
assertThat(
node,
isUntypedEffectDefinitionNode().withVisibility(Visibility.PRIVATE)
);
}
@Test
public void whenEffectIsPrefixedWithPubThenVisibilityIsPublic() {
var source = """
pub effect State {
}""";
var node = parseString(source, Parser::parseNamespaceStatement);
assertThat(
node,
isUntypedEffectDefinitionNode().withVisibility(Visibility.PUBLIC)
);
}
@Test
public void canParseEffectWithNoFields() {
var source = """
effect State {
}""";
var node = parseString(source, Parser::parseNamespaceStatement);
assertThat(
node,
isUntypedEffectDefinitionNode()
.withFields(isSequence())
);
}
@Test
public void canParseEffectFields() {
var source = """
effect State {
fun getValue() -> Int;
fun setValue(Int) -> Unit;
}""";
var node = parseString(source, Parser::parseNamespaceStatement);
assertThat(
node,
isUntypedEffectDefinitionNode()
.withFields(isSequence(
isUntypedEffectDefinitionFieldNode(
"getValue",
isUntypedFunctionTypeNode()
.withParams(isUntypedFunctionTypeParamsNode(isSequence(), isSequence()))
.withReturnType(isUntypedTypeLevelReferenceNode("Int"))
),
isUntypedEffectDefinitionFieldNode(
"setValue",
isUntypedFunctionTypeNode()
.withParams(isUntypedFunctionTypeParamsNode(
isSequence(isUntypedTypeLevelReferenceNode("Int")),
isSequence()
))
.withReturnType(isUntypedTypeLevelReferenceNode("Unit"))
)
))
);
}
}
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