public async Task TestGetSemanticTokensEdits_EndInsertionAsync()
{
var updatedText =
@"// Comment
static class C { }
// Comment";
using var testLspServer = await CreateTestLspServerAsync(s_standardCase);
var caretLocation = testLspServer.GetLocations("caret").First();
await RunGetSemanticTokensAsync(testLspServer, caretLocation);
await UpdateDocumentTextAsync(updatedText, testLspServer.TestWorkspace);
var results = await RunGetSemanticTokensEditsAsync(testLspServer, caretLocation, previousResultId : "1");
var expectedEdit = new LSP.SemanticTokensEdit
{
Start = 30,
DeleteCount = 0,
Data = new int[] { 1, 0, 10, SemanticTokensCache.TokenTypeToIndex[LSP.SemanticTokenTypes.Comment], 0 }
};
Assert.Equal(expectedEdit, ((LSP.SemanticTokensDelta)results).Edits.First());
Assert.Equal("2", ((LSP.SemanticTokensDelta)results).ResultId);
}
public async Task TestGetSemanticTokensEdits_ReturnMinimalEdits()
{
var updatedText =
@"class
// Comment";
using var testLspServer = CreateTestLspServer(s_singleLineCase, out var locations);
var caretLocation = locations["caret"].First();
await RunGetSemanticTokensAsync(testLspServer, caretLocation);
// Edit text
UpdateDocumentText(updatedText, testLspServer.TestWorkspace);
var results = await RunGetSemanticTokensEditsAsync(testLspServer, caretLocation, previousResultId : "1");
// 1. Updates length of token (10 to 5) and updates token type (comment to keyword)
// 2. Creates new token for '// Comment'
var expectedEdit = new LSP.SemanticTokensEdit
{
Start = 2,
DeleteCount = 0,
Data = new int[]
{
// 'class'
/* 0, 0, */ 5, SemanticTokensCache.TokenTypeToIndex[LSP.SemanticTokenTypes.Keyword], 0,
// '// Comment'
1, 0, /* 10, SemanticTokensCache.TokenTypeToIndex[LSP.SemanticTokenTypes.Comment], 0 */
}
};
Assert.Equal(expectedEdit, ((LSP.SemanticTokensDelta)results).Edits?[0]);
Assert.Equal("2", ((LSP.SemanticTokensDelta)results).ResultId);
}
public async Task TestGetSemanticTokensEdits_EndDeletionAsync()
{
var updatedText =
@"// Comment";
using var testLspServer = await CreateTestLspServerAsync(s_standardCase);
var caretLocation = testLspServer.GetLocations("caret").First();
await RunGetSemanticTokensAsync(testLspServer, caretLocation);
await UpdateDocumentTextAsync(updatedText, testLspServer.TestWorkspace);
var results = await RunGetSemanticTokensEditsAsync(testLspServer, caretLocation, previousResultId : "1");
var expectedEdit = new LSP.SemanticTokensEdit {
Start = 5, DeleteCount = 25, Data = System.Array.Empty <int>()
};
Assert.Equal(expectedEdit, ((LSP.SemanticTokensDelta)results).Edits.First());
Assert.Equal("2", ((LSP.SemanticTokensDelta)results).ResultId);
}
public async Task TestInsertingNewLineInMiddleOfFile()
{
var updatedText = @"// Comment
static class C { }";
using var testLspServer = await CreateTestLspServerAsync(s_standardCase);
var caretLocation = testLspServer.GetLocations("caret").First();
await RunGetSemanticTokensAsync(testLspServer, caretLocation);
await UpdateDocumentTextAsync(updatedText, testLspServer.TestWorkspace);
var results = await RunGetSemanticTokensEditsAsync(testLspServer, caretLocation, previousResultId : "1");
var expectedEdit = new LSP.SemanticTokensEdit {
Start = 5, DeleteCount = 1, Data = new int[] { 2 }
};
Assert.Equal(expectedEdit, ((LSP.SemanticTokensDelta)results).Edits.First());
Assert.Equal("2", ((LSP.SemanticTokensDelta)results).ResultId);
}
public async Task TestAllHandlersAsync()
{
var markup =
@"{|caret:|}// Comment
static class C { }
";
using var testLspServer = await CreateTestLspServerAsync(markup);
var caretLocation = testLspServer.GetLocations("caret").First();
// 1. Range handler
var range = new LSP.Range {
Start = new Position(1, 0), End = new Position(2, 0)
};
var rangeResults = await RunGetSemanticTokensRangeAsync(testLspServer, caretLocation, range);
var expectedRangeResults = new LSP.SemanticTokens
{
Data = new int[]
{
// Line | Char | Len | Token type | Modifier
1, 0, 6, SemanticTokensCache.TokenTypeToIndex[LSP.SemanticTokenTypes.Keyword], 0, // 'static'
0, 7, 5, SemanticTokensCache.TokenTypeToIndex[LSP.SemanticTokenTypes.Keyword], 0, // 'class'
0, 6, 1, SemanticTokensCache.TokenTypeToIndex[ClassificationTypeNames.ClassName], (int)TokenModifiers.Static, // 'C'
0, 2, 1, SemanticTokensCache.TokenTypeToIndex[ClassificationTypeNames.Punctuation], 0, // '{'
0, 2, 1, SemanticTokensCache.TokenTypeToIndex[ClassificationTypeNames.Punctuation], 0, // '}'
},
ResultId = "1"
};
await VerifyNoMultiLineTokens(testLspServer, rangeResults.Data !).ConfigureAwait(false);
Assert.Equal(expectedRangeResults.Data, rangeResults.Data);
Assert.Equal(expectedRangeResults.ResultId, rangeResults.ResultId);
Assert.True(rangeResults is RoslynSemanticTokens);
// 2. Whole document handler
var wholeDocResults = await RunGetSemanticTokensAsync(testLspServer, caretLocation);
var expectedWholeDocResults = new LSP.SemanticTokens
{
Data = new int[]
{
// Line | Char | Len | Token type | Modifier
0, 0, 10, SemanticTokensCache.TokenTypeToIndex[LSP.SemanticTokenTypes.Comment], 0, // '// Comment'
1, 0, 6, SemanticTokensCache.TokenTypeToIndex[LSP.SemanticTokenTypes.Keyword], 0, // 'static'
0, 7, 5, SemanticTokensCache.TokenTypeToIndex[LSP.SemanticTokenTypes.Keyword], 0, // 'class'
0, 6, 1, SemanticTokensCache.TokenTypeToIndex[ClassificationTypeNames.ClassName], (int)TokenModifiers.Static, // 'C'
0, 2, 1, SemanticTokensCache.TokenTypeToIndex[ClassificationTypeNames.Punctuation], 0, // '{'
0, 2, 1, SemanticTokensCache.TokenTypeToIndex[ClassificationTypeNames.Punctuation], 0, // '}'
},
ResultId = "2"
};
await VerifyNoMultiLineTokens(testLspServer, wholeDocResults.Data !).ConfigureAwait(false);
Assert.Equal(expectedWholeDocResults.Data, wholeDocResults.Data);
Assert.Equal(expectedWholeDocResults.ResultId, wholeDocResults.ResultId);
Assert.True(wholeDocResults is RoslynSemanticTokens);
// 3. Edits handler - insert newline at beginning of file
var newMarkup = @"
// Comment
static class C { }
";
await UpdateDocumentTextAsync(newMarkup, testLspServer.TestWorkspace);
var editResults = await RunGetSemanticTokensEditsAsync(testLspServer, caretLocation, previousResultId : "2");
var expectedEdit = new LSP.SemanticTokensEdit {
Start = 0, DeleteCount = 1, Data = new int[] { 1 }
};
Assert.Equal(expectedEdit, ((LSP.SemanticTokensDelta)editResults).Edits.First());
Assert.Equal("3", ((LSP.SemanticTokensDelta)editResults).ResultId);
Assert.True((LSP.SemanticTokensDelta)editResults is RoslynSemanticTokensDelta);
// 4. Edits handler - no changes (ResultId should remain same)
var editResultsNoChange = await RunGetSemanticTokensEditsAsync(testLspServer, caretLocation, previousResultId : "3");
Assert.Equal("3", ((LSP.SemanticTokensDelta)editResultsNoChange).ResultId);
Assert.True((LSP.SemanticTokensDelta)editResultsNoChange is RoslynSemanticTokensDelta);
// 5. Re-request whole document handler (may happen if LSP runs into an error)
var wholeDocResults2 = await RunGetSemanticTokensAsync(testLspServer, caretLocation);
var expectedWholeDocResults2 = new LSP.SemanticTokens
{
Data = new int[]
{
// Line | Char | Len | Token type | Modifier
1, 0, 10, SemanticTokensCache.TokenTypeToIndex[LSP.SemanticTokenTypes.Comment], 0, // '// Comment'
1, 0, 6, SemanticTokensCache.TokenTypeToIndex[LSP.SemanticTokenTypes.Keyword], 0, // 'static'
0, 7, 5, SemanticTokensCache.TokenTypeToIndex[LSP.SemanticTokenTypes.Keyword], 0, // 'class'
0, 6, 1, SemanticTokensCache.TokenTypeToIndex[ClassificationTypeNames.ClassName], (int)TokenModifiers.Static, // 'C'
0, 2, 1, SemanticTokensCache.TokenTypeToIndex[ClassificationTypeNames.Punctuation], 0, // '{'
0, 2, 1, SemanticTokensCache.TokenTypeToIndex[ClassificationTypeNames.Punctuation], 0, // '}'
},
ResultId = "4"
};
await VerifyNoMultiLineTokens(testLspServer, wholeDocResults2.Data !).ConfigureAwait(false);
Assert.Equal(expectedWholeDocResults2.Data, wholeDocResults2.Data);
Assert.Equal(expectedWholeDocResults2.ResultId, wholeDocResults2.ResultId);
Assert.True(wholeDocResults2 is RoslynSemanticTokens);
}