graphql_client 0.16.0

Typed GraphQL requests and responses
Documentation 
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use graphql_client::*;

const RESPONSE: &str = include_str!("unions/union_query_response.json");
const FRAGMENT_AND_MORE_RESPONSE: &str = include_str!("unions/fragment_and_more_response.json");

#[derive(GraphQLQuery)]
#[graphql(
    query_path = "tests/unions/union_query.graphql",
    schema_path = "tests/unions/union_schema.graphql",
    response_derives = "Debug, PartialEq, Eq"
)]
pub struct UnionQuery;

#[derive(GraphQLQuery)]
#[graphql(
    query_path = "tests/unions/union_query.graphql",
    schema_path = "tests/unions/union_schema.graphql",
    response_derives = "Debug, PartialEq, Eq"
)]
pub struct FragmentOnUnion;

#[derive(GraphQLQuery)]
#[graphql(
    query_path = "tests/unions/union_query.graphql",
    schema_path = "tests/unions/union_schema.graphql",
    response_derives = "Debug, PartialEq, Eq"
)]
pub struct FragmentAndMoreOnUnion;

#[test]
fn union_query_deserialization() {
    let response_data: union_query::ResponseData = serde_json::from_str(RESPONSE).unwrap();

    let expected = union_query::ResponseData {
        names: Some(vec![
            union_query::UnionQueryNames::Person(union_query::UnionQueryNamesOnPerson {
                first_name: "Audrey".to_string(),
                last_name: Some("Lorde".to_string()),
            }),
            union_query::UnionQueryNames::Dog(union_query::UnionQueryNamesOnDog {
                name: "Laïka".to_string(),
            }),
            union_query::UnionQueryNames::Organization(
                union_query::UnionQueryNamesOnOrganization {
                    title: "Mozilla".to_string(),
                },
            ),
            union_query::UnionQueryNames::Dog(union_query::UnionQueryNamesOnDog {
                name: "Norbert".to_string(),
            }),
        ]),
    };

    assert_eq!(response_data, expected);

    assert_eq!(response_data.names.map(|names| names.len()), Some(4));
}

#[test]
fn fragment_on_union() {
    let response_data: fragment_on_union::ResponseData = serde_json::from_str(RESPONSE).unwrap();

    let expected = fragment_on_union::ResponseData {
        names: Some(vec![
            fragment_on_union::NamesFragment::Person(fragment_on_union::NamesFragmentOnPerson {
                first_name: "Audrey".to_string(),
            }),
            fragment_on_union::NamesFragment::Dog(fragment_on_union::NamesFragmentOnDog {
                name: "Laïka".to_string(),
            }),
            fragment_on_union::NamesFragment::Organization(
                fragment_on_union::NamesFragmentOnOrganization {
                    title: "Mozilla".to_string(),
                },
            ),
            fragment_on_union::NamesFragment::Dog(fragment_on_union::NamesFragmentOnDog {
                name: "Norbert".to_string(),
            }),
        ]),
    };

    assert_eq!(response_data, expected);
}

#[test]
fn fragment_and_more_on_union() {
    use fragment_and_more_on_union::*;

    let response_data: fragment_and_more_on_union::ResponseData =
        serde_json::from_str(FRAGMENT_AND_MORE_RESPONSE).unwrap();

    let expected = fragment_and_more_on_union::ResponseData {
        names: Some(vec![
            FragmentAndMoreOnUnionNames {
                names_fragment: NamesFragment::Person(NamesFragmentOnPerson {
                    first_name: "Larry".into(),
                }),
                on: FragmentAndMoreOnUnionNamesOn::Person,
            },
            FragmentAndMoreOnUnionNames {
                names_fragment: NamesFragment::Dog(NamesFragmentOnDog {
                    name: "Laïka".into(),
                }),
                on: FragmentAndMoreOnUnionNamesOn::Dog(FragmentAndMoreOnUnionNamesOnDog {
                    is_good_dog: true,
                }),
            },
            FragmentAndMoreOnUnionNames {
                names_fragment: NamesFragment::Organization(NamesFragmentOnOrganization {
                    title: "Mozilla".into(),
                }),
                on: FragmentAndMoreOnUnionNamesOn::Organization,
            },
            FragmentAndMoreOnUnionNames {
                names_fragment: NamesFragment::Dog(NamesFragmentOnDog {
                    name: "Norbert".into(),
                }),
                on: FragmentAndMoreOnUnionNamesOn::Dog(FragmentAndMoreOnUnionNamesOnDog {
                    is_good_dog: true,
                }),
            },
        ]),
    };

    assert_eq!(response_data, expected);
}