implements PLN-0077
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package p.studio.lsp.services.protocol;
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import org.eclipse.lsp4j.CompletionItem;
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import org.eclipse.lsp4j.CompletionList;
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import org.eclipse.lsp4j.CompletionParams;
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import org.eclipse.lsp4j.DidOpenTextDocumentParams;
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import org.eclipse.lsp4j.Hover;
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import org.eclipse.lsp4j.HoverParams;
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import org.eclipse.lsp4j.MarkupContent;
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import org.eclipse.lsp4j.Position;
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import org.eclipse.lsp4j.SignatureHelp;
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import org.eclipse.lsp4j.SignatureHelpParams;
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import org.eclipse.lsp4j.TextDocumentIdentifier;
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import org.eclipse.lsp4j.TextDocumentItem;
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import org.junit.jupiter.api.Test;
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import p.studio.lsp.messages.BaselineCompletion;
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import p.studio.lsp.messages.BaselineCompletionItem;
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import p.studio.lsp.messages.BaselineCompletionItemKind;
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import p.studio.lsp.messages.BaselineDocumentAnalysis;
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import p.studio.lsp.messages.BaselineHover;
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import p.studio.lsp.messages.BaselineSemanticTokens;
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import p.studio.lsp.messages.BaselineServerDescription;
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import p.studio.lsp.messages.BaselineSignature;
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import p.studio.lsp.messages.BaselineSignatureHelp;
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import p.studio.lsp.messages.LspProjectContext;
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import p.studio.lsp.services.LanguageServiceBridge;
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import p.studio.lsp.services.protocol.mapping.ProtocolMessageMapper;
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import java.nio.file.Path;
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import java.util.List;
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import static org.junit.jupiter.api.Assertions.assertEquals;
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import static org.junit.jupiter.api.Assertions.assertSame;
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import static org.junit.jupiter.api.Assertions.assertTrue;
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final class PrometeuTextDocumentServiceTest {
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@Test
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void shouldPassOpenDocumentOverlayToCompletionHoverAndSignatureHelp() {
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final var bridge = new RecordingBridge();
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final var mapper = new RecordingMapper();
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final var service = new PrometeuTextDocumentService(
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new LspProjectContext("main", "pbs", Path.of(".")),
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bridge,
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mapper);
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final String uri = Path.of("demo.pbs").toUri().toString();
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final String text = """
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fn frame() -> void {
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demo();
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}
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""";
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final var openParams = new DidOpenTextDocumentParams(new TextDocumentItem(uri, "pbs", 1, text));
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service.didOpen(openParams);
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final var completion = service.completion(new CompletionParams(
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new TextDocumentIdentifier(uri),
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new Position(1, 2))).join();
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final var completionList = completion.getRight();
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assertSame(mapper.completionList, completionList);
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assertEquals(text, bridge.lastCompletionText);
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assertEquals(1, bridge.lastCompletionLine);
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assertEquals(2, bridge.lastCompletionCharacter);
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final Hover hover = service.hover(new HoverParams(
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new TextDocumentIdentifier(uri),
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new Position(1, 4))).join();
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final var hoverContent = (MarkupContent) hover.getContents().getRight();
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assertEquals("hover", hoverContent.getValue());
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assertEquals(text, bridge.lastHoverText);
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final SignatureHelp signatureHelp = service.signatureHelp(new SignatureHelpParams(
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new TextDocumentIdentifier(uri),
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new Position(1, 6))).join();
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assertSame(mapper.signatureHelp, signatureHelp);
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assertEquals(text, bridge.lastSignatureHelpText);
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assertEquals(1, bridge.lastSignatureHelpLine);
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assertEquals(6, bridge.lastSignatureHelpCharacter);
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assertTrue(mapper.mappedSignatureHelp.signatures().getFirst().label().contains("demo"));
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}
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private static final class RecordingBridge implements LanguageServiceBridge {
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private String lastCompletionText;
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private int lastCompletionLine;
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private int lastCompletionCharacter;
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private String lastHoverText;
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private String lastSignatureHelpText;
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private int lastSignatureHelpLine;
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private int lastSignatureHelpCharacter;
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@Override
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public BaselineServerDescription describeServer(final LspProjectContext context) {
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throw new UnsupportedOperationException();
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}
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@Override
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public BaselineDocumentAnalysis analyzeDocument(final LspProjectContext context, final String documentUri, final String text) {
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return new BaselineDocumentAnalysis(List.of());
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}
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@Override
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public BaselineCompletion completion(
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final LspProjectContext context,
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final String documentUri,
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final String text,
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final int line,
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final int character) {
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lastCompletionText = text;
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lastCompletionLine = line;
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lastCompletionCharacter = character;
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return new BaselineCompletion(false, List.of(
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new BaselineCompletionItem("demo", BaselineCompletionItemKind.FUNCTION, "", "")));
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}
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@Override
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public BaselineHover hover(
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final LspProjectContext context,
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final String documentUri,
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final String text,
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final int line,
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final int character) {
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lastHoverText = text;
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return new BaselineHover("hover");
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}
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@Override
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public BaselineSignatureHelp signatureHelp(
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final LspProjectContext context,
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final String documentUri,
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final String text,
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final int line,
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final int character) {
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lastSignatureHelpText = text;
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lastSignatureHelpLine = line;
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lastSignatureHelpCharacter = character;
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return new BaselineSignatureHelp(List.of(
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new BaselineSignature("demo()", List.of(), "")), 0, 0);
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}
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@Override
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public BaselineSemanticTokens semanticTokens(final LspProjectContext context, final String documentUri, final String text) {
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return new BaselineSemanticTokens(List.of(), List.of());
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}
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@Override
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public String onSave(final LspProjectContext context, final String documentUri) {
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return "saved";
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}
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}
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private static final class RecordingMapper implements ProtocolMessageMapper {
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private final CompletionList completionList = new CompletionList(false, List.of(new CompletionItem("demo")));
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private final SignatureHelp signatureHelp = new SignatureHelp();
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private BaselineSignatureHelp mappedSignatureHelp;
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@Override
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public org.eclipse.lsp4j.InitializeResult mapInitializeResult(final BaselineServerDescription description) {
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throw new UnsupportedOperationException();
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}
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@Override
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public org.eclipse.lsp4j.PublishDiagnosticsParams mapDiagnostics(
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final String uri,
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final BaselineDocumentAnalysis analysis) {
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throw new UnsupportedOperationException();
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}
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@Override
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public org.eclipse.lsp4j.PublishDiagnosticsParams emptyDiagnostics(final String uri) {
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throw new UnsupportedOperationException();
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}
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@Override
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public Hover mapHover(final BaselineHover hover) {
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final var content = new MarkupContent();
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content.setKind("markdown");
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content.setValue(hover.markdown());
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return new Hover(content);
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}
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@Override
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public CompletionList mapCompletion(final BaselineCompletion completion) {
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return completionList;
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}
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@Override
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public SignatureHelp mapSignatureHelp(final BaselineSignatureHelp signatureHelp) {
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this.mappedSignatureHelp = signatureHelp;
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return this.signatureHelp;
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}
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@Override
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public org.eclipse.lsp4j.SemanticTokens mapSemanticTokens(final BaselineSemanticTokens semanticTokens) {
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throw new UnsupportedOperationException();
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}
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@Override
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public org.eclipse.lsp4j.MessageParams mapInfoMessage(final String message) {
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throw new UnsupportedOperationException();
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}
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@Override
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public org.eclipse.lsp4j.MessageParams mapErrorMessage(final String message) {
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throw new UnsupportedOperationException();
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}
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@Override
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public org.eclipse.lsp4j.MessageParams mapWarningMessage(final String message) {
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throw new UnsupportedOperationException();
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}
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}
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}
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