public async Task CanUseForwardSlashes()
{
string query = @"hey/now";
#if ENABLE_TRACING
var tracer = new LoggingTracer(_logger, reportPerformance: true);
#else
var tracer = NullTracer.Instance;
#endif
var parser = new LuceneQueryParser {
Tracer = tracer
};
try {
var result = await parser.ParseAsync(query);
_logger.LogInformation(await DebugQueryVisitor.RunAsync(result));
string generatedQuery = await GenerateQueryVisitor.RunAsync(result);
Assert.Equal(query, generatedQuery);
} catch (FormatException ex) {
_logger.LogInformation(tracer.ToString());
var cursor = ex.Data["cursor"] as Cursor;
throw new FormatException($"[{cursor.Line}:{cursor.Column}] {ex.Message}", ex);
}
}
public async Task CanParseFieldRegex()
{
string query = @"myfield:/\(\[A-Za-z\]+\).*?/";
#if ENABLE_TRACING
var tracer = new LoggingTracer(_logger, reportPerformance: true);
#else
var tracer = NullTracer.Instance;
#endif
var parser = new LuceneQueryParser {
Tracer = tracer
};
try {
var result = await parser.ParseAsync(query);
_logger.LogInformation(await DebugQueryVisitor.RunAsync(result));
string generatedQuery = await GenerateQueryVisitor.RunAsync(result);
Assert.Equal(query, generatedQuery);
var groupNode = result as GroupNode;
Assert.NotNull(groupNode);
var leftNode = groupNode.Left as TermNode;
Assert.NotNull(leftNode);
Assert.Equal("myfield", leftNode.Field);
Assert.True(leftNode.IsRegexTerm);
} catch (FormatException ex) {
var cursor = ex.Data["cursor"] as Cursor;
throw new FormatException($"[{cursor.Line}:{cursor.Column}] {ex.Message}", ex);
}
}
public async Task CanParseEscapedQuery(string escaped)
{
// https://www.elastic.co/guide/en/elasticsearch/reference/current/query-dsl-query-string-query.html#_reserved_characters
// + - && || ! ( ) { } [ ] ^ " ~ * ? : \ /
string query = @"\" + escaped;
#if ENABLE_TRACING
var tracer = new LoggingTracer(_logger, reportPerformance: true);
#else
var tracer = NullTracer.Instance;
#endif
var parser = new LuceneQueryParser {
Tracer = tracer
};
try {
_logger.LogInformation($"Attempting: {escaped}");
var result = await parser.ParseAsync(query);
_logger.LogInformation(await DebugQueryVisitor.RunAsync(result));
string generatedQuery = await GenerateQueryVisitor.RunAsync(result);
Assert.Equal(query, generatedQuery);
} catch (FormatException ex) {
var cursor = ex.Data["cursor"] as Cursor;
throw new FormatException($"[{cursor.Line}:{cursor.Column}] {ex.Message}", ex);
}
}
private async Task ParseAndValidateQuery(string query, string expected, bool isValid)
{
#if ENABLE_TRACING
var tracer = new LoggingTracer(_logger, reportPerformance: true);
#else
var tracer = NullTracer.Instance;
#endif
var parser = new LuceneQueryParser {
Tracer = tracer
};
IQueryNode result;
try {
result = await parser.ParseAsync(query);
} catch (FormatException ex) {
Assert.False(isValid, ex.Message);
return;
}
string nodes = await DebugQueryVisitor.RunAsync(result);
_logger.LogInformation(nodes);
string generatedQuery = await GenerateQueryVisitor.RunAsync(result);
Assert.Equal(expected, generatedQuery);
}
public void DoubleOperatorsIsNotValid()
{
var sut = new LuceneQueryParser();
Assert.Throws <FormatException>(() => {
var result = sut.Parse("something AND OR otherthing");
var ast = DebugQueryVisitor.Run(result);
});
}
public void CanGenerateQuery(string query)
{
var parser = new QueryParser();
var result = parser.Parse(query);
Debug.WriteLine(DebugQueryVisitor.Run(result));
var generatedQuery = GenerateQueryVisitor.Run(result);
Assert.Equal(query, generatedQuery);
}
public void CanHandleUnterminatedRegex()
{
var sut = new LuceneQueryParser();
var ex = Assert.Throws <FormatException>(() => {
var result = sut.Parse(@"/\(\[A-Za-z\/\]+\).*?");
var ast = DebugQueryVisitor.Run(result);
});
Assert.Contains("Unterminated regex", ex.Message);
}
public void DoubleUnterminatedQuotedStringIsNotValid()
{
var sut = new LuceneQueryParser();
var ex = Assert.Throws <FormatException>(() => {
var result = sut.Parse("\"something\"\"");
var ast = DebugQueryVisitor.Run(result);
});
Assert.Contains("Unexpected character", ex.Message);
}
public void PrefixWithoutImmediateExpressionIsInvalid()
{
var sut = new LuceneQueryParser();
var ex = Assert.Throws <FormatException>(() => {
var result = sut.Parse("something + other");
var ast = DebugQueryVisitor.Run(result);
});
Assert.Contains("Unexpected character '+'.", ex.Message);
}
public void CanParseNotBeforeParens()
{
var sut = new LuceneQueryParser();
var result = sut.Parse("NOT (dog parrot)");
var ast = DebugQueryVisitor.Run(result);
Assert.IsType <GroupNode>(result.Left);
Assert.True((result.Left as GroupNode).HasParens);
Assert.True((result.Left as GroupNode).IsNegated);
}
public async Task CanGenerateSingleQueryAsync()
{
string query = "datehistogram:(date~2^-5\\:30 min:date max:date)";
var parser = new LuceneQueryParser();
var result = await parser.ParseAsync(query);
_logger.LogInformation(await DebugQueryVisitor.RunAsync(result));
string generatedQuery = await GenerateQueryVisitor.RunAsync(result);
Assert.Equal(query, generatedQuery);
await new AssignAggregationTypeVisitor().AcceptAsync(result, null);
_logger.LogInformation(DebugQueryVisitor.Run(result));
}
public async Task CanUseForwardSlashes()
{
string query = @"hey/now";
var tracer = new StringBuilderTrace();
var parser = new LuceneQueryParser {
//Tracer = tracer
};
try {
var result = await parser.ParseAsync(query);
_logger.LogInformation(await DebugQueryVisitor.RunAsync(result));
string generatedQuery = await GenerateQueryVisitor.RunAsync(result);
Assert.Equal(query, generatedQuery);
} catch (FormatException ex) {
_logger.LogInformation(tracer.ToString());
var cursor = ex.Data["cursor"] as Cursor;
throw new FormatException($"[{cursor.Line}:{cursor.Column}] {ex.Message}", ex);
}
}
public async Task CanGenerateQueryAsync(string query, string expected, bool isValid)
{
var parser = new LuceneQueryParser();
Log.MinimumLevel = LogLevel.Information;
IQueryNode result;
try {
result = await parser.ParseAsync(query);
} catch (Exception ex) {
Assert.False(isValid, ex.Message);
return;
}
string nodes = await DebugQueryVisitor.RunAsync(result);
_logger.LogInformation(nodes);
string generatedQuery = await GenerateQueryVisitor.RunAsync(result);
Assert.Equal(expected, generatedQuery);
}
public async Task CanParseEscapedQuery(string escaped)
{
// https://lucene.apache.org/core/2_9_4/queryparsersyntax.html#Escaping%20Special%20Characters
// + - && || ! ( ) { } [ ] ^ " ~ * ? : \
string query = @"\" + escaped;
var tracer = new StringBuilderTrace();
var parser = new LuceneQueryParser {
//Tracer = tracer
};
try {
_logger.LogInformation($"Attempting: {escaped}");
var result = await parser.ParseAsync(query);
_logger.LogInformation(await DebugQueryVisitor.RunAsync(result));
string generatedQuery = await GenerateQueryVisitor.RunAsync(result);
Assert.Equal(query, generatedQuery);
} catch (FormatException ex) {
_logger.LogInformation(tracer.ToString());
var cursor = ex.Data["cursor"] as Cursor;
throw new FormatException($"[{cursor.Line}:{cursor.Column}] {ex.Message}", ex);
}
}