fatsify核心功能示例测试!!!

node_modules/fast-json-stringify/test/missing-values.test.js

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+'use strict'
+
+const { test } = require('node:test')
+const build = require('..')
+
+test('missing values', (t) => {
+  t.plan(3)
+
+  const stringify = build({
+    title: 'object with missing values',
+    type: 'object',
+    properties: {
+      str: {
+        type: 'string'
+      },
+      num: {
+        type: 'number'
+      },
+      val: {
+        type: 'string'
+      }
+    }
+  })
+
+  t.assert.equal('{"val":"value"}', stringify({ val: 'value' }))
+  t.assert.equal('{"str":"string","val":"value"}', stringify({ str: 'string', val: 'value' }))
+  t.assert.equal('{"str":"string","num":42,"val":"value"}', stringify({ str: 'string', num: 42, val: 'value' }))
+})
+
+test('handle null when value should be string', (t) => {
+  t.plan(1)
+
+  const stringify = build({
+    type: 'object',
+    properties: {
+      str: {
+        type: 'string'
+      }
+    }
+  })
+
+  t.assert.equal('{"str":""}', stringify({ str: null }))
+})
+
+test('handle null when value should be integer', (t) => {
+  t.plan(1)
+
+  const stringify = build({
+    type: 'object',
+    properties: {
+      int: {
+        type: 'integer'
+      }
+    }
+  })
+
+  t.assert.equal('{"int":0}', stringify({ int: null }))
+})
+
+test('handle null when value should be number', (t) => {
+  t.plan(1)
+
+  const stringify = build({
+    type: 'object',
+    properties: {
+      num: {
+        type: 'number'
+      }
+    }
+  })
+
+  t.assert.equal('{"num":0}', stringify({ num: null }))
+})
+
+test('handle null when value should be boolean', (t) => {
+  t.plan(1)
+
+  const stringify = build({
+    type: 'object',
+    properties: {
+      bool: {
+        type: 'boolean'
+      }
+    }
+  })
+
+  t.assert.equal('{"bool":false}', stringify({ bool: null }))
+})