public Task <ISchema> CreateSchema(Starwars starwars)
{
var builder = StarwarsSchema.Create();
var resolvers = StarwarsResolvers.BuildResolvers(starwars);
var executable = builder.Build(resolvers);
return(executable);
}
public async Task Query_characters_with_friends()
{
/* Given */
var starwars = new Starwars();
var query = @"{
characters {
id
name
friends {
id
name
}
}
}";
var executableSchema = await _fixture.CreateSchema(starwars);
var options = new ExecutionOptions
{
Schema = executableSchema,
Document = query,
OperationName = null,
InitialValue = null,
VariableValues = null
};
/* When */
var actual = await ExecuteAsync(options).ConfigureAwait(false);
/* Then */
actual.ShouldMatchJson(
@"{
""data"": {
""characters"": [
{
""id"": ""humans/han"",
""name"": ""Han"",
""friends"": [
{
""id"": ""humans/luke"",
""name"": ""Luke""
}
]
},
{
""id"": ""humans/luke"",
""name"": ""Luke"",
""friends"": [
{
""id"": ""humans/han"",
""name"": ""Han""
}
]
}
]
}}");
}
public async Task Query_typename_of_characters()
{
/* Given */
var starwars = new Starwars();
var query = @"{
characters {
__typename
id
name
appearsIn
}
}";
var executableSchema = await _fixture.CreateSchema(starwars);
var options = new ExecutionOptions
{
Schema = executableSchema,
Document = query,
OperationName = null,
InitialValue = null,
VariableValues = null
};
/* When */
var actual = await ExecuteAsync(options).ConfigureAwait(false);
/* Then */
actual.ShouldMatchJson(
@"{
""data"": {
""characters"": [
{
""appearsIn"": [
""JEDI"",
""EMPIRE"",
""NEWHOPE""
],
""name"": ""Han"",
""id"": ""humans/han"",
""__typename"": ""Human""
},
{
""appearsIn"": [
""JEDI"",
""EMPIRE"",
""NEWHOPE""
],
""name"": ""Luke"",
""id"": ""humans/luke"",
""__typename"": ""Human""
}
]
}
}");
}
public async Task Mutate_add_human_leia()
{
/* Given */
var starwars = new Starwars();
var query = @"
mutation {
addHuman(human: {name:""Leia""}) {
id
name
homePlanet
friends {
name
}
}
}
";
var executableSchema = await _fixture.CreateSchema(starwars);
var options = new ExecutionOptions
{
Schema = executableSchema,
Document = query,
OperationName = null,
InitialValue = null,
VariableValues = null
};
/* When */
var actual = await ExecuteAsync(options).ConfigureAwait(false);
/* Then */
actual.ShouldMatchJson(
@"{
""data"": {
""addHuman"": {
""id"": ""humans/leia"",
""name"": ""Leia"",
""homePlanet"": null,
""friends"": []
}
}
}");
}
public async Task Query_character_luke()
{
/* Given */
var starwars = new Starwars();
var id = "\"humans/luke\"";
var query = $@"{{
character(id: {id}) {{
id
name
appearsIn
}}
}}";
var executableSchema = _fixture.CreateSchema(starwars);
var options = new ExecutionOptions
{
Schema = executableSchema,
Document = ParseDocument(query),
OperationName = null,
InitialValue = null,
VariableValues = null
};
/* When */
var actual = await ExecuteAsync(options).ConfigureAwait(false);
/* Then */
actual.ShouldMatchJson(
@"{
""data"": {
""character"": {
""id"": ""humans/luke"",
""name"": ""Luke"",
""appearsIn"": [
""JEDI"",
""EMPIRE"",
""NEWHOPE""
]
}
}
}");
}
public async Task Introspect()
{
/* Given */
var starwars = new Starwars();
var schema = await _fixture.CreateSchema(starwars);
/* When */
var result = await ExecuteAsync(
new ExecutionOptions
{
Document = GraphQL.Introspection.Introspect.DefaultQuery,
Schema = schema,
IncludeExceptionDetails = true
}).ConfigureAwait(false);
/* Then */
Assert.NotNull(result.Data);
Assert.NotEmpty(result?.Data);
Assert.Null(result.Errors);
}
public async Task Query_character_luke_do_not_include_appearsIn()
{
/* Given */
var starwars = new Starwars();
var id = "\"humans/luke\"";
var query = $@"{{
character(id: {id}) {{
id
name
appearsIn @include(if: false)
}}
}}";
var executableSchema = await _fixture.CreateSchema(starwars);
var options = new ExecutionOptions
{
Schema = executableSchema,
Document = query,
OperationName = null,
InitialValue = null,
VariableValues = null
};
/* When */
var actual = await ExecuteAsync(options).ConfigureAwait(false);
/* Then */
actual.ShouldMatchJson(
@"{
""data"": {
""character"": {
""id"": ""humans/luke"",
""name"": ""Luke""
}
}
}");
}
public static IResolverMap BuildResolvers(Starwars starwars)
{
async ValueTask <IResolverResult> ResolveCharacter(IResolverContext context)
{
var id = (string)context.Arguments["id"];
var character = await starwars.GetCharacter(id).ConfigureAwait(false);
return(As(context.ExecutionContext.Schema.GetRequiredNamedType <ObjectDefinition>("Human"), character));
}
async ValueTask <IResolverResult> ResolveHuman(IResolverContext context)
{
var id = (string)context.Arguments["id"];
var human = await starwars.GetHuman(id).ConfigureAwait(false);
return(As(human));
}
async ValueTask <IResolverResult> ResolveFriends(IResolverContext context)
{
var character = (Starwars.Character)context.ObjectValue;
var friends = character.GetFriends();
await Task.Delay(0).ConfigureAwait(false);
return(As(friends, (_, friend) => CharacterIsTypeOf(friend, context)));
}
ObjectDefinition CharacterIsTypeOf(object character, IResolverContext context)
{
return(character switch
{
Starwars.Human human => context.ExecutionContext.Schema.GetRequiredNamedType <ObjectDefinition>("Human"),
_ => throw new ArgumentOutOfRangeException(nameof(character))
});
}
public async Task Query_human_luke()
{
/* Given */
var starwars = new Starwars();
var id = "\"humans/luke\"";
var query = $@"
query humans
{{
human(id: {id}) {{
id
name
homePlanet
...friendsAndFriends
}}
}}
fragment friendsAndFriends on Human {{
friends {{
name
friends {{
name
}}
}}
}}
";
var executableSchema = _fixture.CreateSchema(starwars);
var options = new ExecutionOptions
{
Schema = executableSchema,
Document = ParseDocument(query),
OperationName = null,
InitialValue = null,
VariableValues = null
};
/* When */
var actual = await ExecuteAsync(options).ConfigureAwait(false);
/* Then */
actual.ShouldMatchJson(
@"{
""data"": {
""human"": {
""id"": ""humans/luke"",
""name"": ""Luke"",
""homePlanet"": ""Tatooine"",
""friends"": [
{
""name"": ""Han"",
""friends"": [
{
""name"": ""Luke""
}
]
}
]
}
}
}");
}
public async Task Introspect()
{
/* Given */
var starwars = new Starwars();
var schema = _fixture.CreateSchema(starwars);
/* When */
var result = await ExecuteAsync(
new ExecutionOptions()
{
Document = ParseDocument(graphql.introspection.Introspect.DefaultQuery),
Schema = schema
}).ConfigureAwait(false);
/* Then */
result.ShouldMatchJson(
@"{
""data"": {
""__schema"": {
""queryType"": {
""name"": ""Query""
},
""types"": [
{
""description"": ""The `String` scalar type represents textual data, represented as UTF-8 character sequences. The String type is most often used by GraphQL to represent free-form human-readable text."",
""kind"": ""SCALAR"",
""enumValues"": null,
""interfaces"": null,
""fields"": null,
""possibleTypes"": null,
""inputFields"": null,
""name"": ""String""
},
{
""description"": ""The `Int` scalar type represents non-fractional signed whole numeric values"",
""kind"": ""SCALAR"",
""enumValues"": null,
""interfaces"": null,
""fields"": null,
""possibleTypes"": null,
""inputFields"": null,
""name"": ""Int""
},
{
""description"": ""The `Float` scalar type represents signed double-precision fractional values as specified by '[IEEE 754](http://en.wikipedia.org/wiki/IEEE_floating_point)"",
""kind"": ""SCALAR"",
""enumValues"": null,
""interfaces"": null,
""fields"": null,
""possibleTypes"": null,
""inputFields"": null,
""name"": ""Float""
},
{
""description"": ""The `Boolean` scalar type represents `true` or `false`"",
""kind"": ""SCALAR"",
""enumValues"": null,
""interfaces"": null,
""fields"": null,
""possibleTypes"": null,
""inputFields"": null,
""name"": ""Boolean""
},
{
""description"": ""The ID scalar type represents a unique identifier, often used to refetch an object or as the key for a cache. The ID type is serialized in the same way as a String; however, it is not intended to be human‐readable. While it is often numeric, it should always serialize as a String."",
""kind"": ""SCALAR"",
""enumValues"": null,
""interfaces"": null,
""fields"": null,
""possibleTypes"": null,
""inputFields"": null,
""name"": ""ID""
},
{
""description"": """",
""kind"": ""ENUM"",
""enumValues"": [
{
""name"": ""NEWHOPE"",
""description"": """",
""deprecationReason"": null,
""isDeprecated"": false
},
{
""name"": ""EMPIRE"",
""description"": """",
""deprecationReason"": null,
""isDeprecated"": false
},
{
""name"": ""JEDI"",
""description"": """",
""deprecationReason"": null,
""isDeprecated"": false
}
],
""interfaces"": null,
""fields"": null,
""possibleTypes"": null,
""inputFields"": null,
""name"": ""Episode""
},
{
""description"": ""Character in the movie"",
""kind"": ""INTERFACE"",
""enumValues"": null,
""interfaces"": null,
""fields"": [
{
""type"": {
""ofType"": {
""ofType"": null,
""name"": ""String"",
""kind"": ""SCALAR""
},
""name"": null,
""kind"": ""NON_NULL""
},
""name"": ""id"",
""description"": """",
""deprecationReason"": null,
""args"": [],
""isDeprecated"": false
},
{
""type"": {
""ofType"": {
""ofType"": null,
""name"": ""String"",
""kind"": ""SCALAR""
},
""name"": null,
""kind"": ""NON_NULL""
},
""name"": ""name"",
""description"": """",
""deprecationReason"": null,
""args"": [],
""isDeprecated"": false
},
{
""type"": {
""ofType"": {
""ofType"": null,
""name"": ""Character"",
""kind"": ""INTERFACE""
},
""name"": null,
""kind"": ""LIST""
},
""name"": ""friends"",
""deprecationReason"": null,
""description"": """",
""args"": [],
""isDeprecated"": false
},
{
""type"": {
""ofType"": {
""ofType"": null,
""name"": ""Episode"",
""kind"": ""ENUM""
},
""name"": null,
""kind"": ""LIST""
},
""name"": ""appearsIn"",
""description"": """",
""deprecationReason"": null,
""args"": [],
""isDeprecated"": false
}
],
""possibleTypes"": [
{
""ofType"": null,
""name"": ""Human"",
""kind"": ""OBJECT""
}
],
""inputFields"": null,
""name"": ""Character""
},
{
""description"": ""Human character"",
""kind"": ""OBJECT"",
""enumValues"": null,
""interfaces"": [
{
""ofType"": null,
""name"": ""Character"",
""kind"": ""INTERFACE""
}
],
""fields"": [
{
""type"": {
""ofType"": {
""ofType"": null,
""name"": ""String"",
""kind"": ""SCALAR""
},
""name"": null,
""kind"": ""NON_NULL""
},
""name"": ""id"",
""description"": """",
""deprecationReason"": null,
""args"": [],
""isDeprecated"": false
},
{
""type"": {
""ofType"": {
""ofType"": null,
""name"": ""String"",
""kind"": ""SCALAR""
},
""name"": null,
""kind"": ""NON_NULL""
},
""name"": ""name"",
""description"": """",
""deprecationReason"": null,
""args"": [],
""isDeprecated"": false
},
{
""type"": {
""ofType"": {
""ofType"": null,
""name"": ""Character"",
""kind"": ""INTERFACE""
},
""name"": null,
""kind"": ""LIST""
},
""name"": ""friends"",
""deprecationReason"": null,
""description"": """",
""args"": [],
""isDeprecated"": false
},
{
""type"": {
""ofType"": {
""ofType"": null,
""name"": ""Episode"",
""kind"": ""ENUM""
},
""name"": null,
""kind"": ""LIST""
},
""name"": ""appearsIn"",
""deprecationReason"": null,
""description"": """",
""args"": [],
""isDeprecated"": false
},
{
""type"": {
""ofType"": null,
""name"": ""String"",
""kind"": ""SCALAR""
},
""name"": ""homePlanet"",
""description"": """",
""deprecationReason"": null,
""args"": [],
""isDeprecated"": false
}
],
""possibleTypes"": null,
""inputFields"": null,
""name"": ""Human""
},
{
""description"": """",
""kind"": ""OBJECT"",
""enumValues"": null,
""interfaces"": [],
""fields"": [
{
""type"": {
""ofType"": null,
""name"": ""Human"",
""kind"": ""OBJECT""
},
""name"": ""human"",
""description"": """",
""deprecationReason"": null,
""args"": [
{
""defaultValue"": null,
""type"": {
""ofType"": {
""ofType"": null,
""name"": ""String"",
""kind"": ""SCALAR""
},
""name"": null,
""kind"": ""NON_NULL""
},
""name"": ""id"",
""description"": """"
}
],
""isDeprecated"": false
},
{
""type"": {
""ofType"": null,
""name"": ""Character"",
""kind"": ""INTERFACE""
},
""name"": ""character"",
""description"": """",
""deprecationReason"": null,
""args"": [
{
""defaultValue"": null,
""type"": {
""ofType"": {
""ofType"": null,
""name"": ""String"",
""kind"": ""SCALAR""
},
""name"": null,
""kind"": ""NON_NULL""
},
""name"": ""id"",
""description"": """"
}
],
""isDeprecated"": false
},
{
""type"": {
""ofType"": {
""ofType"": null,
""name"": ""Character"",
""kind"": ""INTERFACE""
},
""name"": null,
""kind"": ""LIST""
},
""name"": ""characters"",
""description"": """",
""deprecationReason"": null,
""args"": [],
""isDeprecated"": false
}
],
""possibleTypes"": null,
""inputFields"": null,
""name"": ""Query""
},
{
""description"": """",
""kind"": ""INPUT_OBJECT"",
""enumValues"": null,
""interfaces"": null,
""fields"": null,
""possibleTypes"": null,
""inputFields"": [
{
""defaultValue"": null,
""type"": {
""ofType"": {
""ofType"": null,
""name"": ""String"",
""kind"": ""SCALAR""
},
""name"": null,
""kind"": ""NON_NULL""
},
""name"": ""name"",
""description"": """"
}
],
""name"": ""HumanInput""
},
{
""description"": """",
""kind"": ""OBJECT"",
""enumValues"": null,
""interfaces"": [],
""fields"": [
{
""type"": {
""ofType"": null,
""name"": ""Human"",
""kind"": ""OBJECT""
},
""name"": ""addHuman"",
""description"": """",
""deprecationReason"": null,
""args"": [
{
""defaultValue"": null,
""type"": {
""ofType"": null,
""name"": ""HumanInput"",
""kind"": ""INPUT_OBJECT""
},
""name"": ""human"",
""description"": """"
}
],
""isDeprecated"": false
}
],
""possibleTypes"": null,
""inputFields"": null,
""name"": ""Mutation""
}
],
""subscriptionType"": null,
""directives"": [
{
""name"": ""include"",
""locations"": [
""FIELD"",
""FRAGMENT_SPREAD"",
""INLINE_FRAGMENT""
],
""description"": """",
""args"": [
{
""defaultValue"": null,
""type"": {
""ofType"": {
""ofType"": null,
""name"": ""Boolean"",
""kind"": ""SCALAR""
},
""name"": null,
""kind"": ""NON_NULL""
},
""name"": ""if"",
""description"": """"
}
]
},
{
""name"": ""skip"",
""locations"": [
""FIELD"",
""FRAGMENT_SPREAD"",
""INLINE_FRAGMENT""
],
""description"": """",
""args"": [
{
""defaultValue"": null,
""type"": {
""ofType"": {
""ofType"": null,
""name"": ""Boolean"",
""kind"": ""SCALAR""
},
""name"": null,
""kind"": ""NON_NULL""
},
""name"": ""if"",
""description"": """"
}
]
}
],
""mutationType"": {
""name"": ""Mutation""
}
}
}
}");
}
public Human(Starwars starwars)
{
_starwars = starwars;
}
