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package org.shedlang.compiler.shidtopatio;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.shedlang.compiler.shid.instructions.Shid;
import org.shedlang.compiler.testing.snapshots.SnapshotResolver;
import org.shedlang.compiler.testing.snapshots.Snapshotter;
import org.shedlang.compiler.typechecker.TypeInfos;
import org.shedlang.compiler.types.NamespaceName;
import org.shedlang.compiler.types.StructTypeInfo;
import org.shedlang.compiler.types.Types;
import java.io.IOException;
import java.util.List;
import static org.shedlang.compiler.shidtopatio.ShidToPatioTesting.serialize;
import static org.zwobble.precisely.AssertThat.assertThat;
import static org.zwobble.precisely.Matchers.equalTo;
@ExtendWith({SnapshotResolver.class})
public class ShidToPatioDefineStructTests {
@Test
public void canGenerateCodeForDefineStructNonPositional(Snapshotter snapshotter) throws IOException {
var structType = Types.struct(NamespaceName.of("Example", "Project"), "User");
var instruction = Shid.defineStruct(
structType,
List.of(
Shid.defineStructField("name"),
Shid.defineStructField("isActive")
)
);
var typeInfos = TypeInfos.EMPTY
.addStructTypeInfo(
structType,
StructTypeInfo.builder()
.addField("name", Types.STRING)
.addField("isActive", Types.BOOL)
.withFieldsArePositional(false)
.build()
);
var context = ShidToPatioTesting.createContext(typeInfos);
var result = ShidToPatio.generateInstruction(instruction, context);
snapshotter.assertSnapshot(serialize(result));
}
@Test
public void canGenerateCodeForDefineStructPositional(Snapshotter snapshotter) throws IOException {
var structType = Types.struct(NamespaceName.of("Example", "Project"), "User");
var instruction = Shid.defineStruct(
structType,
List.of(
Shid.defineStructField("name"),
Shid.defineStructField("isActive")
)
);
var typeInfos = TypeInfos.EMPTY
.addStructTypeInfo(
structType,
StructTypeInfo.builder()
.addField("name", Types.STRING)
.addField("isActive", Types.BOOL)
.withFieldsArePositional(true)
.build()
);
var context = ShidToPatioTesting.createContext(typeInfos);
var result = ShidToPatio.generateInstruction(instruction, context);
snapshotter.assertSnapshot(serialize(result));
}
@Test
public void structsAreAssignedSequentialTags(Snapshotter snapshotter) throws IOException {
// TODO: we can probably optimise this to ensure that (for instance)
// variants of the same sum type have sequential tags, but source order
// will suffice for now
var structType1 = Types.struct(NamespaceName.of("Example", "Project"), "User");
var structType2 = Types.struct(NamespaceName.of("Example", "Project"), "Id");
var instruction1 = Shid.defineStruct(structType1, List.of());
var instruction2 = Shid.defineStruct(structType1, List.of());
var typeInfos = TypeInfos.EMPTY
.addStructTypeInfo(structType1, StructTypeInfo.builder().build())
.addStructTypeInfo(structType2, StructTypeInfo.builder().build());
var context = ShidToPatioTesting.createContext(typeInfos);
context = ShidToPatio.generateInstruction(instruction1, context);
context = ShidToPatio.generateInstruction(instruction2, context);
assertThat(context.structTag(structType1), equalTo(3));
assertThat(context.structTag(structType2), equalTo(4));
}
}
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