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backend/node_modules/fast-json-stringify/test/toJSON.test.js

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+'use strict'
+
+const test = require('tap').test
+const build = require('..')
+
+test('use toJSON method on object types', (t) => {
+  t.plan(1)
+
+  const stringify = build({
+    title: 'simple object',
+    type: 'object',
+    properties: {
+      productName: {
+        type: 'string'
+      }
+    }
+  })
+  const object = {
+    product: { name: 'cola' },
+    toJSON: function () {
+      return { productName: this.product.name }
+    }
+  }
+
+  t.equal('{"productName":"cola"}', stringify(object))
+})
+
+test('use toJSON method on nested object types', (t) => {
+  t.plan(1)
+
+  const stringify = build({
+    title: 'simple array',
+    type: 'array',
+    items: {
+      type: 'object',
+      properties: {
+        productName: {
+          type: 'string'
+        }
+      }
+    }
+  })
+  const array = [
+    {
+      product: { name: 'cola' },
+      toJSON: function () {
+        return { productName: this.product.name }
+      }
+    },
+    {
+      product: { name: 'sprite' },
+      toJSON: function () {
+        return { productName: this.product.name }
+      }
+    }
+  ]
+
+  t.equal('[{"productName":"cola"},{"productName":"sprite"}]', stringify(array))
+})
+
+test('not use toJSON if does not exist', (t) => {
+  t.plan(1)
+
+  const stringify = build({
+    title: 'simple object',
+    type: 'object',
+    properties: {
+      product: {
+        type: 'object',
+        properties: {
+          name: {
+            type: 'string'
+          }
+        }
+      }
+    }
+  })
+  const object = {
+    product: { name: 'cola' }
+  }
+
+  t.equal('{"product":{"name":"cola"}}', stringify(object))
+})
+
+test('not fail on null object declared nullable', (t) => {
+  t.plan(1)
+
+  const stringify = build({
+    title: 'simple object',
+    type: 'object',
+    nullable: true,
+    properties: {
+      product: {
+        type: 'object',
+        properties: {
+          name: {
+            type: 'string'
+          }
+        }
+      }
+    }
+  })
+  t.equal('null', stringify(null))
+})
+
+test('not fail on null sub-object declared nullable', (t) => {
+  t.plan(1)
+
+  const stringify = build({
+    title: 'simple object',
+    type: 'object',
+    properties: {
+      product: {
+        nullable: true,
+        type: 'object',
+        properties: {
+          name: {
+            type: 'string'
+          }
+        }
+      }
+    }
+  })
+  const object = {
+    product: null
+  }
+  t.equal('{"product":null}', stringify(object))
+})
+
+test('on non nullable null sub-object it should coerce to {}', (t) => {
+  t.plan(1)
+
+  const stringify = build({
+    title: 'simple object',
+    type: 'object',
+    properties: {
+      product: {
+        nullable: false,
+        type: 'object',
+        properties: {
+          name: {
+            type: 'string'
+          }
+        }
+      }
+    }
+  })
+  const object = {
+    product: null
+  }
+
+  const result = stringify(object)
+  t.equal(result, JSON.stringify({ product: {} }))
+})
+
+test('on non nullable null object it should coerce to {}', (t) => {
+  t.plan(1)
+
+  const stringify = build({
+    title: 'simple object',
+    nullable: false,
+    type: 'object',
+    properties: {
+      product: {
+        nullable: false,
+        type: 'object',
+        properties: {
+          name: {
+            type: 'string'
+          }
+        }
+      }
+    }
+  })
+
+  const result = stringify(null)
+  t.equal(result, '{}')
+})
+
+test('on non-nullable null object it should skip rendering, skipping required fields checks', (t) => {
+  t.plan(1)
+
+  const stringify = build({
+    title: 'simple object',
+    nullable: false,
+    type: 'object',
+    properties: {
+      product: {
+        nullable: false,
+        type: 'object',
+        properties: {
+          name: {
+            type: 'string'
+          }
+        }
+      }
+    },
+    required: ['product']
+  })
+
+  const result = stringify(null)
+  t.equal(result, '{}')
+})