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keyFieldsMissingExternal.test.ts
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keyFieldsMissingExternal.test.ts
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import gql from 'graphql-tag';
import { keyFieldsMissingExternal as validateKeyFieldsMissingExternal } from '../';
import { graphqlErrorSerializer } from '../../../../snapshotSerializers';
expect.addSnapshotSerializer(graphqlErrorSerializer);
describe('keyFieldsMissingExternal', () => {
it('has no warnings when @key fields reference an @external field', () => {
const serviceA = {
typeDefs: gql`
extend type Product @key(fields: "sku") {
sku: String! @external
upc: String!
color: Color!
}
type Color {
id: ID!
value: String!
}
`,
name: 'serviceA',
};
const warnings = validateKeyFieldsMissingExternal(serviceA);
expect(warnings).toHaveLength(0);
});
it('has no warnings with correct selection set / nested @external usage', () => {
const serviceA = {
typeDefs: gql`
extend type Car @key(fields: "model { name kit { upc } } year") {
model: Model! @external
year: String! @external
color: String!
}
extend type Model {
name: String! @external
kit: Kit @external
}
extend type Kit {
upc: String! @external
}
`,
name: 'serviceA',
};
const warnings = validateKeyFieldsMissingExternal(serviceA);
expect(warnings).toHaveLength(0);
});
it('has no warnings with @deprecated directive usage', () => {
const serviceA = {
typeDefs: gql`
extend type Car @key(fields: "model { name kit { upc } } year") {
model: Model! @external
year: String! @external
color: String! @deprecated(reason: "Use colors instead")
colors: Color!
}
extend type Model {
name: String! @external
kit: Kit @external
}
extend type Kit {
upc: String! @external
}
enum Color {
Red
Blue
}
`,
name: 'serviceA',
};
const warnings = validateKeyFieldsMissingExternal(serviceA);
expect(warnings).toHaveLength(0);
});
it("warns when a @key argument doesn't reference an @external field", () => {
const serviceA = {
typeDefs: gql`
extend type Product @key(fields: "sku") {
sku: String!
upc: String!
color: Color!
}
type Color {
id: ID!
value: String!
}
`,
name: 'serviceA',
};
const warnings = validateKeyFieldsMissingExternal(serviceA);
expect(warnings).toHaveLength(1);
expect(warnings).toMatchInlineSnapshot(`
Array [
Object {
"code": "KEY_FIELDS_MISSING_EXTERNAL",
"message": "[serviceA] Product -> A @key directive specifies the \`sku\` field which has no matching @external field.",
},
]
`);
});
it("warns when a @key argument references a field that isn't known", () => {
const serviceA = {
typeDefs: gql`
extend type Product @key(fields: "sku") {
upc: String! @external
color: Color!
}
type Color {
id: ID!
value: String!
}
`,
name: 'serviceA',
};
const warnings = validateKeyFieldsMissingExternal(serviceA);
expect(warnings).toHaveLength(1);
expect(warnings).toMatchInlineSnapshot(`
Array [
Object {
"code": "KEY_FIELDS_MISSING_EXTERNAL",
"message": "[serviceA] Product -> A @key directive specifies a field which is not found in this service. Add a field to this type with @external.",
},
]
`);
});
it("warns when a @key argument doesn't reference an @external field", () => {
const serviceA = {
typeDefs: gql`
extend type Car @key(fields: "model { name kit { upc } } year") {
model: Model! @external
year: String! @external
}
extend type Model {
name: String!
kit: Kit
}
type Kit {
upc: String!
}
`,
name: 'serviceA',
};
const warnings = validateKeyFieldsMissingExternal(serviceA);
expect(warnings).toHaveLength(3);
expect(warnings).toMatchInlineSnapshot(`
Array [
Object {
"code": "KEY_FIELDS_MISSING_EXTERNAL",
"message": "[serviceA] Model -> A @key directive specifies the \`name\` field which has no matching @external field.",
},
Object {
"code": "KEY_FIELDS_MISSING_EXTERNAL",
"message": "[serviceA] Model -> A @key directive specifies the \`kit\` field which has no matching @external field.",
},
Object {
"code": "KEY_FIELDS_MISSING_EXTERNAL",
"message": "[serviceA] Kit -> A @key directive specifies the \`upc\` field which has no matching @external field.",
},
]
`);
});
});