public ClientModel Analyze()
{
if (_schema is null)
{
throw new InvalidOperationException(
"You must provide a schema.");
}
if (_documents.Count == 0)
{
throw new InvalidOperationException(
"You must at least provide one document.");
}
if (_hashProvider is null)
{
throw new InvalidOperationException(
"You must specify a hash provider.");
}
var context = new DocumentAnalyzerContext(_schema, _reservedName);
CollectEnumTypes(context, _documents.Values);
CollectInputObjectTypes(context, _documents.Values);
CollectOutputTypes(context, _documents.Values);
return(new ClientModel(
_documents.Select(d =>
CreateDocumentModel(context, d.Key, d.Value, _hashProvider))
.ToArray(),
context.Types.ToArray()));
}
public async Task Union_With_Fragment_Definition_Two_Models()
{
// arrange
var schema =
await new ServiceCollection()
.AddStarWarsRepositories()
.AddGraphQL()
.AddStarWars()
.BuildSchemaAsync();
var document =
Utf8GraphQLParser.Parse(@"
query GetHero {
search(text: ""hello"") {
... Hero
... Starship
}
}
fragment Hero on Character {
name
... Human
... Droid
}
fragment Human on Human {
homePlanet
}
fragment Droid on Droid {
primaryFunction
}
fragment Starship on Starship {
length
}");
var context = new DocumentAnalyzerContext(schema, document);
SelectionSetVariants selectionSetVariants = context.CollectFields();
FieldSelection fieldSelection = selectionSetVariants.ReturnType.Fields.First();
selectionSetVariants = context.CollectFields(fieldSelection);
// act
var analyzer = new InterfaceTypeSelectionSetAnalyzer();
var result = analyzer.Analyze(context, fieldSelection, selectionSetVariants);
// assert
Assert.Equal("IGetHero_Search", result.Name);
Assert.Collection(
context.GetImplementations(result),
model => Assert.Equal("IGetHero_Search_Starship", model.Name),
model => Assert.Equal("IGetHero_Search_Human", model.Name),
model => Assert.Equal("IGetHero_Search_Droid", model.Name));
Assert.Empty(result.Fields);
}
public async Task GetFragment_From_FragmentTree_Found()
{
// arrange
var schema =
await new ServiceCollection()
.AddStarWarsRepositories()
.AddGraphQL()
.AddStarWars()
.BuildSchemaAsync();
var document =
Utf8GraphQLParser.Parse(@"
query GetHero {
hero(episode: NEW_HOPE) @returns(fragment: ""Hero"") {
... Characters
}
}
fragment Characters on Character @remove {
... Human
... Droid
}
fragment Hero on Character {
name
}
fragment Human on Human {
... Hero
homePlanet
}
fragment Droid on Droid {
... Hero
primaryFunction
}");
var context = new DocumentAnalyzerContext(schema, document);
var selectionSetVariants = context.CollectFields();
var fieldSelection = selectionSetVariants.ReturnType.Fields.First();
selectionSetVariants = context.CollectFields(fieldSelection);
// act
var returnTypeFragmentName = FragmentHelper.GetReturnTypeName(fieldSelection);
var returnTypeFragment = FragmentHelper.CreateFragmentNode(
selectionSetVariants.Variants[0],
fieldSelection.Path,
appendTypeName: true);
returnTypeFragment = FragmentHelper.GetFragment(
returnTypeFragment,
returnTypeFragmentName !);
// assert
Assert.NotNull(returnTypeFragment);
Assert.Equal("Hero", returnTypeFragment?.Fragment.Name);
}
public async Task GetReturnTypeName_Not_Found()
{
// arrange
var schema =
await new ServiceCollection()
.AddStarWarsRepositories()
.AddGraphQL()
.AddStarWars()
.BuildSchemaAsync();
var document =
Utf8GraphQLParser.Parse(@"
query GetHero {
hero(episode: NEW_HOPE) {
... Characters
}
}
fragment Characters on Character {
... Human
... Droid
}
fragment Hero on Character {
name
}
fragment Human on Human {
... Hero
homePlanet
}
fragment Droid on Droid {
... Hero
primaryFunction
}");
var context = new DocumentAnalyzerContext(schema, document);
var selectionSetVariants = context.CollectFields();
var fieldSelection = selectionSetVariants.ReturnType.Fields.First();
// act
var returnTypeFragmentName = FragmentHelper.GetReturnTypeName(fieldSelection);
// assert
Assert.Null(returnTypeFragmentName);
}
public async Task Interface_With_Default_Names_Two_Models()
{
// arrange
var schema =
await new ServiceCollection()
.AddStarWarsRepositories()
.AddGraphQL()
.AddStarWars()
.BuildSchemaAsync();
var document =
Utf8GraphQLParser.Parse(@"
query GetHero {
hero(episode: NEW_HOPE) {
name
... on Droid {
primaryFunction
}
}
}");
var context = new DocumentAnalyzerContext(schema, document);
SelectionSetVariants selectionSetVariants = context.CollectFields();
FieldSelection fieldSelection = selectionSetVariants.ReturnType.Fields.First();
selectionSetVariants = context.CollectFields(fieldSelection);
// act
var analyzer = new InterfaceTypeSelectionSetAnalyzer();
var result = analyzer.Analyze(context, fieldSelection, selectionSetVariants);
// assert
Assert.Equal("IGetHero_Hero", result.Name);
Assert.Collection(
context.GetImplementations(result),
model => Assert.Equal("IGetHero_Hero_Human", model.Name),
model => Assert.Equal("IGetHero_Hero_Droid", model.Name));
Assert.Collection(
result.Fields,
field => Assert.Equal("Name", field.Name));
}
public async Task Interface_With_Fragment_Definition_One_Model()
{
// arrange
var schema =
await new ServiceCollection()
.AddStarWarsRepositories()
.AddGraphQL()
.AddStarWars()
.BuildSchemaAsync();
var document =
Utf8GraphQLParser.Parse(@"
query GetHero {
hero(episode: NEW_HOPE) {
... Hero
}
}
fragment Hero on Character {
name
}");
var context = new DocumentAnalyzerContext(schema, document);
SelectionSetVariants selectionSetVariants = context.CollectFields();
FieldSelection fieldSelection = selectionSetVariants.ReturnType.Fields.First();
selectionSetVariants = context.CollectFields(fieldSelection);
// act
var analyzer = new InterfaceTypeSelectionSetAnalyzer();
var result = analyzer.Analyze(context, fieldSelection, selectionSetVariants);
// assert
Assert.Equal("IGetHero_Hero", result.Name);
Assert.Collection(
context.GetImplementations(result).OrderBy(t => t.Name),
model => Assert.Equal("IGetHero_Hero_Droid", model.Name),
model => Assert.Equal("IGetHero_Hero_Human", model.Name));
Assert.Empty(result.Fields);
}
public void Interface_With_2_Selections_Per_Type()
{
// arrange
ISchema schema =
SchemaBuilder.New()
.Use(next => context => Task.CompletedTask)
.AddDocumentFromString(@"
type Query {
foo: Foo
}
interface Foo {
id: String
name: String
}
type Bar implements Foo {
id: String
name: String
bar: String
bar2: String
}
type Baz implements Foo {
id: String
name: String
baz: String
baz2: String
}")
.Create();
DocumentNode document =
Utf8GraphQLParser.Parse(@"
{
foo {
id
name
... on Bar {
bar
}
... on Bar {
bar2
}
... on Baz {
baz
}
... on Baz {
baz2
}
}
}");
OperationDefinitionNode operation =
document.Definitions.OfType <OperationDefinitionNode>().Single();
FieldNode field =
operation.SelectionSet.Selections.OfType <FieldNode>().Single();
var context = new DocumentAnalyzerContext(schema);
context.SetDocument(document);
InterfaceType fooType = schema.GetType <InterfaceType>("Foo");
Path rootPath = Path.New("foo");
PossibleSelections possibleSelections =
context.CollectFields(
fooType,
field.SelectionSet,
rootPath);
// act
var analyzer = new InterfaceTypeSelectionSetAnalyzer();
analyzer.Analyze(
context,
operation,
field,
possibleSelections,
schema.QueryType.Fields["foo"].Type,
fooType,
rootPath);
// assert
/*
* Assert.Collection(context.Types.OfType<ComplexOutputTypeModel>(),
* type =>
* {
* Assert.Equal("Foo", type.Name);
* Assert.Null(type.Description);
* Assert.Equal(fooType, type.Type);
* Assert.Equal(field.SelectionSet, type.SelectionSet);
* Assert.Empty(type.Types);
* Assert.Collection(type.Fields,
* field =>
* {
* Assert.Equal("Bar", field.Name);
* Assert.Null(field.Description);
* Assert.Equal(fooType.Fields["bar"], field.Field);
* Assert.Equal(fooType.Fields["bar"].Type, field.Type);
* Assert.Equal(rootPath.Append("bar"), field.Path);
* });
* });
*/
}
public void Interface_Two_Types_One_Inline_Fragment_Per_Type()
{
// arrange
ISchema schema =
SchemaBuilder.New()
.Use(next => context => Task.CompletedTask)
.AddDocumentFromString(@"
type Query {
foo: Foo
}
interface Foo {
id: String
name: String
}
type Bar implements Foo {
id: String
name: String
bar: String
}
type Baz implements Foo {
id: String
name: String
baz: String
}")
.Create();
DocumentNode document =
Utf8GraphQLParser.Parse(@"
{
foo {
id
name
... on Bar {
bar
}
... on Baz {
baz
}
}
}");
OperationDefinitionNode operation =
document.Definitions.OfType <OperationDefinitionNode>().Single();
FieldNode field =
operation.SelectionSet.Selections.OfType <FieldNode>().Single();
var context = new DocumentAnalyzerContext(schema);
context.SetDocument(document);
InterfaceType fooType = schema.GetType <InterfaceType>("Foo");
Path rootPath = Path.New("foo");
PossibleSelections possibleSelections =
context.CollectFields(
fooType,
field.SelectionSet,
rootPath);
// act
var analyzer = new InterfaceTypeSelectionSetAnalyzer();
analyzer.Analyze(
context,
operation,
field,
possibleSelections,
schema.QueryType.Fields["foo"].Type,
fooType,
rootPath);
// assert
}
public void Simple_Object_Selection_With_Alias()
{
// arrange
ISchema schema =
SchemaBuilder.New()
.AddQueryType <Query>()
.Create();
DocumentNode document =
Utf8GraphQLParser.Parse("{ foo { b: bar { baz } } }");
OperationDefinitionNode operation =
document.Definitions.OfType <OperationDefinitionNode>().Single();
FieldNode field =
operation.SelectionSet.Selections.OfType <FieldNode>().Single();
var context = new DocumentAnalyzerContext(schema);
context.SetDocument(document);
ObjectType fooType = schema.GetType <ObjectType>("Foo");
Path rootPath = Path.New("foo");
PossibleSelections possibleSelections =
context.CollectFields(
fooType,
field.SelectionSet,
rootPath);
// act
var analyzer = new ObjectTypeSelectionSetAnalyzer();
analyzer.Analyze(
context,
operation,
field,
possibleSelections,
schema.QueryType.Fields["foo"].Type,
fooType,
rootPath);
// assert
Assert.Collection(context.Types.OfType <ComplexOutputTypeModel>(),
type =>
{
Assert.Equal("Foo", type.Name);
Assert.Null(type.Description);
Assert.Equal(fooType, type.Type);
Assert.Equal(field.SelectionSet, type.SelectionSet);
Assert.Empty(type.Types);
Assert.Collection(type.Fields,
field =>
{
Assert.Equal("B", field.Name);
Assert.Null(field.Description);
Assert.Equal(fooType.Fields["bar"], field.Field);
Assert.Equal(fooType.Fields["bar"].Type, field.Type);
Assert.Equal(rootPath.Append("b"), field.Path);
});
});
}
public async Task Create_TypeModels_Infer_From_Fragments_With_HoistedFragment()
{
// arrange
var schema =
await new ServiceCollection()
.AddStarWarsRepositories()
.AddGraphQL()
.AddStarWars()
.BuildSchemaAsync();
var document =
Utf8GraphQLParser.Parse(@"
query GetHero {
hero(episode: NEW_HOPE) @returns(fragment: ""Hero"") {
... Characters
}
}
fragment Characters on Character {
... Human
... Droid
}
fragment Hero on Character {
name
}
fragment Human on Human {
... Hero
homePlanet
}
fragment Droid on Droid {
... Hero
primaryFunction
}");
var context = new DocumentAnalyzerContext(schema, document);
var selectionSetVariants = context.CollectFields();
var fieldSelection = selectionSetVariants.ReturnType.Fields.First();
selectionSetVariants = context.CollectFields(fieldSelection);
// act
var list = new List <OutputTypeModel>();
var returnTypeFragmentName = FragmentHelper.GetReturnTypeName(fieldSelection);
var returnTypeFragment = FragmentHelper.CreateFragmentNode(
selectionSetVariants.Variants[0],
fieldSelection.Path,
appendTypeName: true);
returnTypeFragment = FragmentHelper.GetFragment(
returnTypeFragment,
returnTypeFragmentName !);
list.Add(FragmentHelper.CreateInterface(
context,
returnTypeFragment !,
fieldSelection.Path));
foreach (SelectionSet selectionSet in
selectionSetVariants.Variants.OrderBy(t => t.Type.Name.Value))
{
returnTypeFragment = FragmentHelper.CreateFragmentNode(
selectionSet,
fieldSelection.Path,
appendTypeName: true);
returnTypeFragment = FragmentHelper.RewriteForConcreteType(returnTypeFragment);
OutputTypeModel @interface = FragmentHelper.CreateInterface(
context,
returnTypeFragment,
fieldSelection.Path,
new [] { list[0] });
OutputTypeModel @class = FragmentHelper.CreateClass(
context,
returnTypeFragment,
selectionSet,
@interface);
list.Add(@interface);
list.Add(@class);
}
// assert
Assert.Collection(
list,
type =>
{
Assert.Equal("IHero", type.Name);
Assert.Empty(type.Implements);
Assert.Collection(
type.Fields,
field => Assert.Equal("Name", field.Name));
},
type =>
{
Assert.Equal("IGetHero_Hero_Droid", type.Name);
Assert.Collection(
type.Implements,
impl => Assert.Equal("ICharacters_Droid", impl.Name));
Assert.Empty(type.Fields);
},
type =>
{
Assert.Equal("GetHero_Hero_Droid", type.Name);
Assert.Collection(
type.Implements,
impl => Assert.Equal("IGetHero_Hero_Droid", impl.Name));
Assert.Collection(
type.Fields,
field => Assert.Equal("Name", field.Name),
field => Assert.Equal("PrimaryFunction", field.Name));
},
type =>
{
Assert.Equal("IGetHero_Hero_Human", type.Name);
Assert.Collection(
type.Implements,
impl => Assert.Equal("ICharacters_Human", impl.Name));
Assert.Empty(type.Fields);
},
type =>
{
Assert.Equal("GetHero_Hero_Human", type.Name);
Assert.Collection(
type.Implements,
impl => Assert.Equal("IGetHero_Hero_Human", impl.Name));
Assert.Collection(
type.Fields,
field => Assert.Equal("Name", field.Name),
field => Assert.Equal("HomePlanet", field.Name));
});
}
public async Task Create_TypeModels_Infer_TypeStructure()
{
// arrange
var schema =
await new ServiceCollection()
.AddStarWarsRepositories()
.AddGraphQL()
.AddStarWars()
.BuildSchemaAsync();
var document =
Utf8GraphQLParser.Parse(@"
query GetHero {
hero(episode: NEW_HOPE) {
name
}
}");
var context = new DocumentAnalyzerContext(schema, document);
var selectionSetVariants = context.CollectFields();
var fieldSelection = selectionSetVariants.ReturnType.Fields.First();
selectionSetVariants = context.CollectFields(fieldSelection);
// act
var list = new List <OutputTypeModel>();
var returnTypeFragment = FragmentHelper.CreateFragmentNode(
selectionSetVariants.ReturnType,
fieldSelection.Path);
list.Add(FragmentHelper.CreateInterface(
context,
returnTypeFragment,
fieldSelection.Path));
foreach (SelectionSet selectionSet in
selectionSetVariants.Variants.OrderBy(t => t.Type.Name.Value))
{
returnTypeFragment = FragmentHelper.CreateFragmentNode(
selectionSet,
fieldSelection.Path,
appendTypeName: true);
OutputTypeModel @interface = FragmentHelper.CreateInterface(
context,
returnTypeFragment,
fieldSelection.Path,
new [] { list[0] });
OutputTypeModel @class = FragmentHelper.CreateClass(
context,
returnTypeFragment,
selectionSet,
@interface);
list.Add(@interface);
list.Add(@class);
}
// assert
Assert.Collection(
list,
type =>
{
Assert.Equal("IGetHero_Hero", type.Name);
Assert.Empty(type.Implements);
Assert.Collection(
type.Fields,
field => Assert.Equal("Name", field.Name));
},
type =>
{
Assert.Equal("IGetHero_Hero_Droid", type.Name);
Assert.Collection(
type.Implements,
impl => Assert.Equal("IGetHero_Hero", impl.Name));
Assert.Empty(type.Fields);
},
type =>
{
Assert.Equal("GetHero_Hero_Droid", type.Name);
Assert.Collection(
type.Implements,
impl => Assert.Equal("IGetHero_Hero_Droid", impl.Name));
Assert.Collection(
type.Fields,
field => Assert.Equal("Name", field.Name));
},
type =>
{
Assert.Equal("IGetHero_Hero_Human", type.Name);
Assert.Collection(
type.Implements,
impl => Assert.Equal("IGetHero_Hero", impl.Name));
Assert.Empty(type.Fields);
},
type =>
{
Assert.Equal("GetHero_Hero_Human", type.Name);
Assert.Collection(
type.Implements,
impl => Assert.Equal("IGetHero_Hero_Human", impl.Name));
Assert.Collection(
type.Fields,
field => Assert.Equal("Name", field.Name));
});
}
