public static void Serialize(
ISyntaxNode node,
TextWriter writer,
bool useIndentation)
{
var serializer = new QuerySyntaxSerializer(useIndentation);
serializer.Visit(node, new DocumentWriter(writer));
}
public void Serialize_KitchenSinkWithoutIndentation_CanBeParsed()
{
// arrange
string query = FileResource.Open("kitchen-sink.graphql");
var serializer = new QuerySyntaxSerializer();
var content = new StringBuilder();
var writer = new StringWriter(content);
DocumentNode queryDocument = Parser.Default.Parse(query);
// act
serializer.Visit(queryDocument, new DocumentWriter(writer));
// assert
string serializedQuery = content.ToString();
DocumentNode parsedQuery = Parser.Default.Parse(serializedQuery);
content.Clear();
serializer.Visit(parsedQuery, new DocumentWriter(writer));
Assert.Equal(serializedQuery, content.ToString());
}
public void Serialize_KitchenSinkWithoutIndentation_OutputIsOneLine()
{
// arrange
string query = FileResource.Open("kitchen-sink.graphql");
var serializer = new QuerySyntaxSerializer();
var content = new StringBuilder();
var writer = new StringWriter(content);
DocumentNode queryDocument = Parser.Default.Parse(query);
// act
serializer.Visit(queryDocument, new DocumentWriter(writer));
// assert
content.ToString().Snapshot();
}
public void Serialize_ShortHandQueryWithIndentation_LineBetweenFields()
{
// arrange
string query = "{ foo { foo bar { foo @foo @bar bar @bar baz } } }";
var serializer = new QuerySyntaxSerializer(true);
var content = new StringBuilder();
var writer = new StringWriter(content);
DocumentNode queryDocument = Parser.Default.Parse(query);
// act
serializer.Visit(queryDocument, new DocumentWriter(writer));
// assert
content.ToString().Snapshot();
}
public void Serialize_ShortHandQueryWithIndentation_OutputIsFormatted()
{
// arrange
string query = "{ foo(s: \"String\") { bar @foo " +
"{ baz @foo @bar } } }";
var serializer = new QuerySyntaxSerializer(true);
var content = new StringBuilder();
var writer = new StringWriter(content);
DocumentNode queryDocument = Parser.Default.Parse(query);
// act
serializer.Visit(queryDocument, new DocumentWriter(writer));
// assert
content.ToString().Snapshot();
}
public void Serialize_KitchenSinkWithIndentation_OutputIsFormatted()
{
// arrange
string query = FileResource.Open("kitchen-sink.graphql");
var serializer = new QuerySyntaxSerializer(true);
var content = new StringBuilder();
var writer = new StringWriter(content);
DocumentNode queryDocument = Utf8GraphQLParser.Parse(query);
// act
serializer.Visit(queryDocument, new DocumentWriter(writer));
// assert
content.ToString().MatchSnapshot();
}
public void Serialize_FargmentWithVariableDefs_InOutShouldBeTheSame()
{
// arrange
string query = "fragment Foo ($bar: [String!]!) on Bar { baz }";
var serializer = new QuerySyntaxSerializer();
var content = new StringBuilder();
var writer = new StringWriter(content);
DocumentNode queryDocument = Parser.Default.Parse(query,
new ParserOptions(allowFragmentVariables: true));
// act
serializer.Visit(queryDocument, new DocumentWriter(writer));
// assert
Assert.Equal(
query,
content.ToString());
}
public void Serialize_ShortHandQueryNoIndentation_InOutShouldBeTheSame()
{
// arrange
var query = "{ foo(s: \"String\") { bar @foo " +
"{ baz @foo @bar } } }";
var serializer = new QuerySyntaxSerializer();
var content = new StringBuilder();
var writer = new StringWriter(content);
DocumentNode queryDocument = Parser.Default.Parse(query);
// act
serializer.Visit(queryDocument, new DocumentWriter(writer));
// assert
Assert.Equal(
query,
content.ToString());
}
public void RewriteEveryFieldOfTheQuery()
{
// arange
DocumentNode document = Utf8GraphQLParser.Parse(
"{ foo { bar { baz } } }");
// act
DocumentNode rewritten = document
.Rewrite <DirectiveQuerySyntaxRewriter, DirectiveNode>(
new DirectiveNode("upper"));
// assert
var content = new StringBuilder();
var stringWriter = new StringWriter(content);
var documentWriter = new DocumentWriter(stringWriter);
var serializer = new QuerySyntaxSerializer();
serializer.Visit(rewritten, documentWriter);
content.ToString().MatchSnapshot();
}
public void Serialize_QueryWithVarDeclaration_InOutShouldBeTheSame()
{
// arrange
string query =
"query Foo($bar: [String!]!) { foo(s: \"String\") " +
"{ bar @foo { baz @foo @bar } } }";
var serializer = new QuerySyntaxSerializer();
var content = new StringBuilder();
var writer = new StringWriter(content);
DocumentNode queryDocument = Parser.Default.Parse(query);
// act
serializer.Visit(queryDocument, new DocumentWriter(writer));
// assert
Assert.Equal(
query,
content.ToString());
}