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integration.spec.ts
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integration.spec.ts
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import { loadSchema, loadSchemaSync } from '@graphql-tools/load';
import { CodeFileLoader } from '@graphql-tools/code-file-loader';
import { GraphQLFileLoader } from '@graphql-tools/graphql-file-loader';
import { printSchema, buildSchema, GraphQLSchema } from 'graphql';
import { runTests, useMonorepo } from '../../../../testing/utils';
import '../../../../testing/to-be-similar-gql-doc';
import { join } from 'path';
const monorepo = useMonorepo({
dirname: __dirname,
});
describe('loadSchema', () => {
monorepo.correctCWD();
runTests({
async: loadSchema,
sync: loadSchemaSync,
})(load => {
test('should throw when all files are invalid and unable to load it', async () => {
const schemaPath = './tests/loaders/schema/test-files/error.ts';
try {
await load(schemaPath, {
loaders: [new CodeFileLoader()],
});
expect(true).toBeFalsy(); // should throw
} catch (e: any) {
expect(e.toString()).toContain(`SyntaxError`);
}
});
test('should work with ts files and without globs correctly', async () => {
const schemaPath = './tests/loaders/schema/test-files/schema-dir/type-defs/graphql-tag.ts';
const schema = await load(schemaPath, {
loaders: [new CodeFileLoader()],
});
expect(schema.getTypeMap()['User']).toBeDefined();
expect(schema.getTypeMap()['Query']).toBeDefined();
});
test('should work with graphql single file', async () => {
const schemaPath = './tests/loaders/schema/test-files/schema-dir/user.graphql';
const schema = await load(schemaPath, {
loaders: [new GraphQLFileLoader()],
});
expect(schema.getTypeMap()['User']).toBeDefined();
});
test('import and merge Query types from few different files', async () => {
const schema = await load('../import/tests/schema/fixtures/multiple-root/*/schema.graphql', {
loaders: [new GraphQLFileLoader()],
});
const schemaStr = printSchema(schema);
expect(schemaStr).toBeSimilarGqlDoc(/* GraphQL */ `
type Query {
a: A
b: B
c: C
}
type A {
text: String
}
type B {
text: String
}
type C {
text: String
}
`);
});
test('should sort the final schema if "sort" option provided', async () => {
const schemaPath = './tests/loaders/schema/test-files/schema-dir/non-sorted.graphql';
const schema = await load(schemaPath, {
loaders: [new GraphQLFileLoader()],
sort: true,
});
expect(printSchema(schema)).toBeSimilarGqlDoc(/* GraphQL */ `
type A {
b: String
s: String
}
type Query {
a: String
d: String
z: String
}
type User {
a: String
aa: String
}
`);
});
test('should add schemas from options.schemas to generated schema', async () => {
const schemaPath = './tests/loaders/schema/test-files/schema-dir/non-sorted.graphql';
const schema = await load(schemaPath, {
loaders: [new GraphQLFileLoader()],
sort: true,
schemas: [
buildSchema(/* GraphQL */ `
scalar DateTime
type B {
c: String
d: DateTime
}
type Query {
b: B
}
`),
],
});
expect(printSchema(schema)).toBeSimilarGqlDoc(/* GraphQL */ `
scalar DateTime
type A {
b: String
s: String
}
type Query {
a: String
b: B
d: String
z: String
}
type B {
c: String
d: DateTime
}
type User {
a: String
aa: String
}
`);
});
test(`should pass custom loader context to the custom loader correctly`, async () => {
const customLoaderContext = {
loaderType: 'schema',
};
const pointerOptions = {
loader: join(__dirname, '../../custom-loader.js'),
fooFieldName: 'myFooField',
};
const result = await load(
{
pointer: pointerOptions,
},
{
loaders: [],
customLoaderContext,
}
);
expect(result).toBeInstanceOf(GraphQLSchema);
expect(result.getQueryType()?.getFields()?.['myFooField']).toBeDefined();
});
});
});