fatsify核心功能示例测试!!!

node_modules/fast-json-stringify/test/recursion.test.js

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+'use strict'
+
+const { test } = require('node:test')
+const build = require('..')
+
+test('can stringify recursive directory tree (issue #181)', (t) => {
+  t.plan(1)
+
+  const schema = {
+    definitions: {
+      directory: {
+        type: 'object',
+        properties: {
+          name: { type: 'string' },
+          subDirectories: {
+            type: 'array',
+            items: { $ref: '#/definitions/directory' },
+            default: []
+          }
+        }
+      }
+    },
+    type: 'array',
+    items: { $ref: '#/definitions/directory' }
+  }
+  const stringify = build(schema)
+
+  t.assert.equal(stringify([
+    { name: 'directory 1', subDirectories: [] },
+    {
+      name: 'directory 2',
+      subDirectories: [
+        { name: 'directory 2.1', subDirectories: [] },
+        { name: 'directory 2.2', subDirectories: [] }
+      ]
+    }
+  ]), '[{"name":"directory 1","subDirectories":[]},{"name":"directory 2","subDirectories":[{"name":"directory 2.1","subDirectories":[]},{"name":"directory 2.2","subDirectories":[]}]}]')
+})
+
+test('can stringify when recursion in external schema', t => {
+  t.plan(1)
+
+  const referenceSchema = {
+    $id: 'person',
+    type: 'object',
+    properties: {
+      name: { type: 'string' },
+      children: {
+        type: 'array',
+        items: { $ref: '#' }
+      }
+    }
+  }
+
+  const schema = {
+    $id: 'mainSchema',
+    type: 'object',
+    properties: {
+      people: {
+        $ref: 'person'
+      }
+    }
+  }
+  const stringify = build(schema, {
+    schema: {
+      [referenceSchema.$id]: referenceSchema
+    }
+  })
+
+  const value = stringify({ people: { name: 'Elizabeth', children: [{ name: 'Charles' }] } })
+  t.assert.equal(value, '{"people":{"name":"Elizabeth","children":[{"name":"Charles"}]}}')
+})
+
+test('use proper serialize function', t => {
+  t.plan(1)
+
+  const personSchema = {
+    $id: 'person',
+    type: 'object',
+    properties: {
+      name: { type: 'string' },
+      children: {
+        type: 'array',
+        items: { $ref: '#' }
+      }
+    }
+  }
+
+  const directorySchema = {
+    $id: 'directory',
+    type: 'object',
+    properties: {
+      name: { type: 'string' },
+      subDirectories: {
+        type: 'array',
+        items: { $ref: '#' },
+        default: []
+      }
+    }
+  }
+
+  const schema = {
+    $id: 'mainSchema',
+    type: 'object',
+    properties: {
+      people: { $ref: 'person' },
+      directory: { $ref: 'directory' }
+    }
+  }
+  const stringify = build(schema, {
+    schema: {
+      [personSchema.$id]: personSchema,
+      [directorySchema.$id]: directorySchema
+    }
+  })
+
+  const value = stringify({
+    people: {
+      name: 'Elizabeth',
+      children: [{
+        name: 'Charles',
+        children: [{ name: 'William', children: [{ name: 'George' }, { name: 'Charlotte' }] }, { name: 'Harry' }]
+      }]
+    },
+    directory: {
+      name: 'directory 1',
+      subDirectories: [
+        { name: 'directory 1.1', subDirectories: [] },
+        {
+          name: 'directory 1.2',
+          subDirectories: [{ name: 'directory 1.2.1' }, { name: 'directory 1.2.2' }]
+        }
+      ]
+    }
+  })
+  t.assert.equal(value, '{"people":{"name":"Elizabeth","children":[{"name":"Charles","children":[{"name":"William","children":[{"name":"George"},{"name":"Charlotte"}]},{"name":"Harry"}]}]},"directory":{"name":"directory 1","subDirectories":[{"name":"directory 1.1","subDirectories":[]},{"name":"directory 1.2","subDirectories":[{"name":"directory 1.2.1","subDirectories":[]},{"name":"directory 1.2.2","subDirectories":[]}]}]}}')
+})
+
+test('can stringify recursive references in object types (issue #365)', t => {
+  t.plan(1)
+
+  const schema = {
+    type: 'object',
+    definitions: {
+      parentCategory: {
+        type: 'object',
+        properties: {
+          parent: {
+            $ref: '#/definitions/parentCategory'
+          }
+        }
+      }
+    },
+    properties: {
+      category: {
+        type: 'object',
+        properties: {
+          parent: {
+            $ref: '#/definitions/parentCategory'
+          }
+        }
+      }
+    }
+  }
+
+  const stringify = build(schema)
+  const data = {
+    category: {
+      parent: {
+        parent: {
+          parent: {
+            parent: {}
+          }
+        }
+      }
+    }
+  }
+  const value = stringify(data)
+  t.assert.equal(value, '{"category":{"parent":{"parent":{"parent":{"parent":{}}}}}}')
+})
+
+test('can stringify recursive inline $id references (issue #410)', t => {
+  t.plan(1)
+  const schema = {
+    $id: 'Node',
+    type: 'object',
+    properties: {
+      id: {
+        type: 'string'
+      },
+      nodes: {
+        type: 'array',
+        items: {
+          $ref: 'Node'
+        }
+      }
+    },
+    required: [
+      'id',
+      'nodes'
+    ]
+  }
+
+  const stringify = build(schema)
+  const data = {
+    id: '0',
+    nodes: [
+      {
+        id: '1',
+        nodes: [{
+          id: '2',
+          nodes: [
+            { id: '3', nodes: [] },
+            { id: '4', nodes: [] },
+            { id: '5', nodes: [] }
+          ]
+        }]
+      },
+      {
+        id: '6',
+        nodes: [{
+          id: '7',
+          nodes: [
+            { id: '8', nodes: [] },
+            { id: '9', nodes: [] },
+            { id: '10', nodes: [] }
+          ]
+        }]
+      },
+      {
+        id: '11',
+        nodes: [{
+          id: '12',
+          nodes: [
+            { id: '13', nodes: [] },
+            { id: '14', nodes: [] },
+            { id: '15', nodes: [] }
+          ]
+        }]
+      }
+    ]
+  }
+  const value = stringify(data)
+  t.assert.equal(value, '{"id":"0","nodes":[{"id":"1","nodes":[{"id":"2","nodes":[{"id":"3","nodes":[]},{"id":"4","nodes":[]},{"id":"5","nodes":[]}]}]},{"id":"6","nodes":[{"id":"7","nodes":[{"id":"8","nodes":[]},{"id":"9","nodes":[]},{"id":"10","nodes":[]}]}]},{"id":"11","nodes":[{"id":"12","nodes":[{"id":"13","nodes":[]},{"id":"14","nodes":[]},{"id":"15","nodes":[]}]}]}]}')
+})