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tree.spec.ts
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import * as fastGlob from 'fast-glob';
import * as fs from 'fs';
import type { JSONSchema4 } from 'json-schema';
import * as path from 'path';
import { isRegularNode } from '../guards';
import type { RegularNode } from '../nodes';
import { SchemaTree } from '../tree';
import { printTree } from './utils/printTree';
describe('SchemaTree', () => {
describe('output', () => {
it.each(
fastGlob.sync('**/*.json', {
cwd: path.join(__dirname, '__fixtures__'),
ignore: ['stress-schema.json', 'recursive-schema.json'],
}),
)('should generate valid tree for %s', async filename => {
const schema = JSON.parse(await fs.promises.readFile(path.resolve(__dirname, '__fixtures__', filename), 'utf8'));
expect(printTree(schema)).toMatchSnapshot();
});
describe('compound keywords', () => {
describe.each(['anyOf', 'oneOf'])('given %s combiner placed next to allOf', combiner => {
let schema: JSONSchema4;
beforeEach(() => {
schema = {
type: 'object',
title: 'Account',
allOf: [
{
type: 'object',
properties: {
type: {
type: 'string',
enum: ['admin', 'editor'],
},
enabled: {
type: 'boolean',
description: 'Is this account enabled',
},
},
required: ['type'],
},
],
[combiner]: [
{
type: 'object',
title: 'Admin',
properties: {
root: {
type: 'boolean',
},
group: {
type: 'string',
},
expirationDate: {
type: 'string',
},
},
},
{
type: 'object',
title: 'Editor',
properties: {
supervisor: {
type: 'string',
},
key: {
type: 'string',
},
},
},
],
};
});
it('given allOf merging disabled, should still merge', () => {
expect(printTree(schema, { mergeAllOf: false })).toMatchSnapshot();
});
it('given allOf merging enabled, should merge contents of allOf combiners', () => {
expect(printTree(schema)).toMatchSnapshot();
});
});
it('given array with oneOf containing items, should merge it correctly', () => {
const schema: JSONSchema4 = {
oneOf: [
{
items: {
type: 'string',
},
},
{
items: {
type: 'number',
},
},
],
type: 'array',
};
expect(printTree(schema)).toMatchInlineSnapshot(`
"└─ #
├─ combiners
│ └─ 0: oneOf
└─ children
├─ 0
│ └─ #/oneOf/0
│ ├─ types
│ │ └─ 0: array
│ ├─ primaryType: array
│ └─ children
│ └─ 0
│ └─ #/oneOf/0/items
│ ├─ types
│ │ └─ 0: string
│ └─ primaryType: string
└─ 1
└─ #/oneOf/1
├─ types
│ └─ 0: array
├─ primaryType: array
└─ children
└─ 0
└─ #/oneOf/1/items
├─ types
│ └─ 0: number
└─ primaryType: number
"
`);
});
describe('allOf handling', () => {
it('given incompatible values, should bail out and display unmerged allOf', () => {
const schema: JSONSchema4 = {
allOf: [
{
type: 'string',
},
{
type: 'number',
},
{
type: 'object',
properties: {
name: {
type: 'string',
},
},
},
],
};
expect(printTree(schema)).toMatchInlineSnapshot(`
"└─ #
├─ combiners
│ └─ 0: allOf
└─ children
├─ 0
│ └─ #/allOf/0
│ ├─ types
│ │ └─ 0: string
│ └─ primaryType: string
├─ 1
│ └─ #/allOf/1
│ ├─ types
│ │ └─ 0: number
│ └─ primaryType: number
└─ 2
└─ #/allOf/2
├─ types
│ └─ 0: object
├─ primaryType: object
└─ children
└─ 0
└─ #/allOf/2/properties/name
├─ types
│ └─ 0: string
└─ primaryType: string
"
`);
});
it('should handle simple circular $refs', () => {
const schema = {
title: 'Sign Request',
type: 'object',
allOf: [
{
$ref: '#/definitions/SignRequestCreateRequest',
},
{
properties: {
signers: {
type: 'array',
items: {
$ref: '#/definitions/SignRequestSigner',
},
},
},
},
],
definitions: {
SignRequestCreateRequest: {
title: 'Create a sign request',
type: 'object',
required: ['signers', 'source_files', 'parent_folder'],
properties: {
signers: {
type: 'array',
items: {
$ref: '#/definitions/SignRequestCreateSigner',
},
},
},
},
SignRequestCreateSigner: {
title: 'Signer fields for Create Sign Request',
type: 'object',
required: ['email'],
properties: {
email: {
type: 'string',
},
},
},
SignRequestSigner: {
title: 'Signer fields for GET Sign Request response',
type: 'object',
required: ['email'],
allOf: [
{
$ref: '#/definitions/SignRequestCreateSigner',
},
{
properties: {
has_viewed_document: {
type: 'boolean',
},
},
},
],
},
},
};
expect(printTree(schema)).toMatchInlineSnapshot(`
"└─ #
├─ types
│ └─ 0: object
├─ primaryType: object
└─ children
└─ 0
└─ #/properties/signers
├─ types
│ └─ 0: array
├─ primaryType: array
└─ children
└─ 0
└─ #/properties/signers/items
├─ types
│ └─ 0: object
├─ primaryType: object
└─ children
├─ 0
│ └─ #/properties/signers/items/properties/email
│ ├─ types
│ │ └─ 0: string
│ └─ primaryType: string
└─ 1
└─ #/properties/signers/items/properties/has_viewed_document
├─ types
│ └─ 0: boolean
└─ primaryType: boolean
"
`);
});
it('given allOf having a $ref pointing at another allOf, should merge it', () => {
const schema: JSONSchema4 = {
type: 'object',
allOf: [
{
$ref: '#/definitions/Item',
},
{
properties: {
summary: {
type: 'string',
},
},
},
],
definitions: {
Item: {
allOf: [
{
properties: {
id: {
type: 'string',
},
},
},
{
properties: {
description: {
type: 'string',
},
},
},
],
},
},
};
const tree = new SchemaTree(schema);
tree.populate();
expect(printTree(schema)).toMatchInlineSnapshot(`
"└─ #
├─ types
│ └─ 0: object
├─ primaryType: object
└─ children
├─ 0
│ └─ #/properties/summary
│ ├─ types
│ │ └─ 0: string
│ └─ primaryType: string
├─ 1
│ └─ #/properties/id
│ ├─ types
│ │ └─ 0: string
│ └─ primaryType: string
└─ 2
└─ #/properties/description
├─ types
│ └─ 0: string
└─ primaryType: string
"
`);
});
});
});
describe('eager $ref resolving', () => {
it('given a plain object with properties, should resolve', () => {
const schema: JSONSchema4 = {
type: 'object',
properties: {
foo: {
$ref: '#/properties/bar',
},
bar: {
type: 'boolean',
},
},
};
expect(printTree(schema)).toMatchInlineSnapshot(`
"└─ #
├─ types
│ └─ 0: object
├─ primaryType: object
└─ children
├─ 0
│ └─ #/properties/foo
│ ├─ types
│ │ └─ 0: boolean
│ └─ primaryType: boolean
└─ 1
└─ #/properties/bar
└─ mirrors: #/properties/foo
"
`);
});
it('preserves the original $ref info', () => {
const schema: JSONSchema4 = {
type: 'object',
properties: {
foo: {
$ref: '#/properties/bar',
},
bar: {
type: 'boolean',
},
},
};
const tree = new SchemaTree(schema);
tree.populate();
const topLevelObject = tree.root.children[0] as RegularNode;
const fooObj = topLevelObject.children!.find(child => child.path[child.path.length - 1] === 'foo')!;
expect(isRegularNode(fooObj) && fooObj.originalFragment.$ref).toBe('#/properties/bar');
});
it('given an array with $reffed items, should resolve', () => {
const schema: JSONSchema4 = {
type: 'object',
properties: {
foo: {
type: 'array',
items: {
$ref: '#/properties/bar',
},
},
bar: {
type: 'boolean',
},
},
};
expect(printTree(schema)).toMatchInlineSnapshot(`
"└─ #
├─ types
│ └─ 0: object
├─ primaryType: object
└─ children
├─ 0
│ └─ #/properties/foo
│ ├─ types
│ │ └─ 0: array
│ ├─ primaryType: array
│ └─ children
│ └─ 0
│ └─ #/properties/foo/items
│ ├─ types
│ │ └─ 0: boolean
│ └─ primaryType: boolean
└─ 1
└─ #/properties/bar
└─ mirrors: #/properties/foo/items
"
`);
});
it('should leave broken $refs', () => {
const schema: JSONSchema4 = {
type: 'object',
properties: {
foo: {
type: 'array',
items: {
$ref: '#/properties/baz',
},
},
bar: {
$ref: '#/properties/bazinga',
},
},
};
expect(printTree(schema)).toMatchInlineSnapshot(`
"└─ #
├─ types
│ └─ 0: object
├─ primaryType: object
└─ children
├─ 0
│ └─ #/properties/foo
│ ├─ types
│ │ └─ 0: array
│ ├─ primaryType: array
│ └─ children
│ └─ 0
│ └─ #/properties/foo/items
│ ├─ $ref: #/properties/baz
│ ├─ external: false
│ └─ error: Could not resolve '#/properties/baz'
└─ 1
└─ #/properties/bar
├─ $ref: #/properties/bazinga
├─ external: false
└─ error: Could not resolve '#/properties/bazinga'
"
`);
});
it('should handle circular references', () => {
const schema: JSONSchema4 = {
type: 'object',
properties: {
foo: {
type: 'array',
items: {
type: 'object',
properties: {
user: {
$ref: '#/properties/bar',
},
},
},
},
bar: {
$ref: '#/properties/baz',
},
baz: {
$ref: '#/properties/foo',
},
},
};
expect(printTree(schema)).toMatchInlineSnapshot(`
"└─ #
├─ types
│ └─ 0: object
├─ primaryType: object
└─ children
├─ 0
│ └─ #/properties/foo
│ ├─ types
│ │ └─ 0: array
│ ├─ primaryType: array
│ └─ children
│ └─ 0
│ └─ #/properties/foo/items
│ ├─ types
│ │ └─ 0: object
│ ├─ primaryType: object
│ └─ children
│ └─ 0
│ └─ #/properties/foo/items/properties/user
│ └─ mirrors: #/properties/foo
├─ 1
│ └─ #/properties/bar
│ └─ mirrors: #/properties/foo
└─ 2
└─ #/properties/baz
└─ mirrors: #/properties/foo
"
`);
});
it('should handle circular references pointing at parents', () => {
const schema: JSONSchema4 = {
properties: {
bar: {
properties: {
foo: {
type: 'string',
},
baz: {
$ref: '#/properties/bar',
},
},
},
},
};
expect(printTree(schema)).toMatchInlineSnapshot(`
"└─ #
├─ types
│ └─ 0: object
├─ primaryType: object
└─ children
└─ 0
└─ #/properties/bar
├─ types
│ └─ 0: object
├─ primaryType: object
└─ children
├─ 0
│ └─ #/properties/bar/properties/foo
│ ├─ types
│ │ └─ 0: string
│ └─ primaryType: string
└─ 1
└─ #/properties/bar/properties/baz
└─ mirrors: #/properties/bar
"
`);
});
it('should handle circular references pointing at document', () => {
const schema: JSONSchema4 = {
title: 'root',
properties: {
bar: {
properties: {
baz: {
$ref: '#',
},
},
},
},
};
expect(printTree(schema)).toMatchInlineSnapshot(`
"└─ #
├─ types
│ └─ 0: object
├─ primaryType: object
└─ children
└─ 0
└─ #/properties/bar
├─ types
│ └─ 0: object
├─ primaryType: object
└─ children
└─ 0
└─ #/properties/bar/properties/baz
└─ mirrors: #
"
`);
});
// it('should handle resolving errors', () => {
// const schema: JSONSchema4 = {
// type: 'object',
// properties: {
// foo: {
// type: 'string',
// },
// bar: {
// $ref: 'http://localhost:8080/some/not/existing/path',
// },
// },
// };
//
// const tree = new SchemaTree(schema, new SchemaTreeState(), {
// expandedDepth: Infinity,
// mergeAllOf: true,
// resolveRef: () => {
// throw new Error('resolving error');
// },
// shouldResolveEagerly: true,
// onPopulate: void 0,
// });
//
// tree.populate();
//
// expect(tree.count).toEqual(4);
// expect(getNodeMetadata(tree.itemAt(3)!)).toHaveProperty('error', 'resolving error');
// });
});
it('given multiple object and string type, should process properties', () => {
const schema: JSONSchema4 = {
type: ['string', 'object'],
properties: {
ids: {
type: 'array',
items: {
type: 'integer',
},
},
},
};
expect(printTree(schema)).toMatchInlineSnapshot(`
"└─ #
├─ types
│ ├─ 0: string
│ └─ 1: object
├─ primaryType: object
└─ children
└─ 0
└─ #/properties/ids
├─ types
│ └─ 0: array
├─ primaryType: array
└─ children
└─ 0
└─ #/properties/ids/items
├─ types
│ └─ 0: integer
└─ primaryType: integer
"
`);
});
it('given empty schema, should output empty tree', () => {
expect(printTree({})).toEqual('');
});
it('should override description', () => {
const schema = {
type: 'object',
properties: {
caves: {
type: 'array',
items: {
summary: 'Bear cave',
$ref: '#/$defs/Cave',
description: 'Apparently Tom likes bears',
},
},
greatestBear: {
$ref: '#/$defs/Bear',
description: 'The greatest bear!',
},
bestBear: {
$ref: '#/$defs/Bear',
summary: 'The best bear!',
},
},
$defs: {
Bear: {
type: 'string',
summary: "Tom's favorite bear",
},
Cave: {
type: 'string',
summary: 'A cave',
description: '_Everyone_ ~hates~ loves caves',
},
},
};
const tree = new SchemaTree(schema, {});
tree.populate();
expect(tree.root).toEqual(
expect.objectContaining({
children: [
expect.objectContaining({
primaryType: 'object',
types: ['object'],
children: [
expect.objectContaining({
primaryType: 'array',
subpath: ['properties', 'caves'],
types: ['array'],
children: [
expect.objectContaining({
primaryType: 'string',
types: ['string'],
subpath: ['items'],
annotations: {
description: 'Apparently Tom likes bears',
},
}),
],
}),
expect.objectContaining({
primaryType: 'string',
types: ['string'],
subpath: ['properties', 'greatestBear'],
annotations: {
description: 'The greatest bear!',
},
}),
expect.objectContaining({
primaryType: 'string',
types: ['string'],
subpath: ['properties', 'bestBear'],
annotations: {},
}),
],
}),
],
}),
);
});
it('node of type array should adopt description of referenced node', () => {
const schema = {
definitions: {
Cave: {
type: 'string',
summary: 'A cave',
description: '_Everyone_ ~hates~ loves caves',
},
},
type: 'object',
properties: {
caves: {
type: 'array',
items: {
$ref: '#/definitions/Cave',
},
},
},
};
const tree = new SchemaTree(schema);
tree.populate();
expect(
// @ts-ignore
tree.root.children[0].children[0].annotations.description,
).toEqual('_Everyone_ ~hates~ loves caves');
});
it('should not override description reference siblings', () => {
const schema = {
$schema: 'http://json-schema.org/draft-07/schema#',
type: 'object',
properties: {
AAAAA: {
allOf: [{ description: 'AAAAA', type: 'string' }, { examples: ['AAAAA'] }],
},
BBBBB: {
allOf: [
{
$ref: '#/properties/AAAAA/allOf/0',
description: 'BBBBB',
},
{ examples: ['BBBBB'] },
],
},
},
};
const tree = new SchemaTree(schema, {});
tree.populate();
expect(tree.root).toEqual(
expect.objectContaining({
children: [
expect.objectContaining({
primaryType: 'object',
types: ['object'],
children: [
expect.objectContaining({
primaryType: 'string',
subpath: ['properties', 'AAAAA'],
types: ['string'],
annotations: {
description: 'AAAAA',
examples: ['AAAAA'],
},
}),
expect.objectContaining({
primaryType: 'string',
subpath: ['properties', 'BBBBB'],
types: ['string'],
annotations: {
description: 'BBBBB',
examples: ['BBBBB'],
},
}),
],
}),
],
}),
);
});
it('node of type array should keep its own description even when referenced node has a description', () => {
const schema = {
definitions: {
Cave: {
type: 'string',
summary: 'A cave',
description: '_Everyone_ ~hates~ loves caves',
},
},
type: 'object',
properties: {
caves: {
type: 'array',
description: 'I have my own description',
items: {
$ref: '#/definitions/Cave',
},
},
},
};
const tree = new SchemaTree(schema);
tree.populate();
expect(
// @ts-ignore
tree.root.children[0].children[0].annotations.description,
).toEqual('I have my own description');
});
it('referenced node description should appear for all properties with that ref', () => {
const schema = {
definitions: {
Cave: {
type: 'string',
summary: 'A cave',
description: '_Everyone_ ~hates~ loves caves',
},
},
type: 'object',
properties: {
caves: {
type: 'array',
items: {
$ref: '#/definitions/Cave',
},
},
bear: {
$ref: '#/definitions/Cave',
},
},
};
const tree = new SchemaTree(schema);
tree.populate();
expect(
// @ts-ignore
tree.root.children[0].children[0].annotations.description,
).toEqual('_Everyone_ ~hates~ loves caves');
expect(
// @ts-ignore
tree.root.children[0].children[1].annotations.description,
).toEqual('_Everyone_ ~hates~ loves caves');
});
});
describe('position', () => {
let schema: JSONSchema4;
beforeEach(() => {
schema = {
type: ['string', 'object'],
properties: {
ids: {
type: 'array',
items: {
type: 'integer',
},
},
tag: {
type: 'string',
},
uuid: {
type: 'string',
},
},
};
});
it('given node being the only child, should have correct position info', () => {
const tree = new SchemaTree(schema);
tree.populate();
const node = tree.root.children[0];
expect(node.isFirst).toBe(true);
expect(node.isLast).toBe(true);
expect(node.pos).toEqual(0);
});
it('given node being the first child among other children, should have correct position info', () => {
const tree = new SchemaTree(schema);
tree.populate();
const node = (tree.root.children[0] as RegularNode).children![0];
expect(node.isFirst).toBe(true);
expect(node.isLast).toBe(false);
expect(node.pos).toEqual(0);
});
it('given node being the last child among other children, should have correct position info', () => {
const tree = new SchemaTree(schema);
tree.populate();
const node = (tree.root.children[0] as RegularNode).children![2];
expect(node.isFirst).toBe(false);
expect(node.isLast).toBe(true);
expect(node.pos).toEqual(2);
});
it('given node not being the first nor the child among other children, should have correct position info', () => {
const tree = new SchemaTree(schema);
tree.populate();
const node = (tree.root.children[0] as RegularNode).children![1];
expect(node.isFirst).toBe(false);
expect(node.isLast).toBe(false);
expect(node.pos).toEqual(1);
});
});
describe('mirroring', () => {
describe('circular references', () => {
it('should self expand', () => {
const schema: JSONSchema4 = {
type: 'object',
properties: {
foo: {
type: 'array',
items: {
type: 'object',
properties: {
user: {
$ref: '#/properties/bar',
},
},
},
},
bar: {
$ref: '#/properties/baz',
},
baz: {