add hw2

node_modules/pino/test/escaping.test.js

@@ -0,0 +1,91 @@
+'use strict'
+
+const os = require('os')
+const { test } = require('tap')
+const { sink, once } = require('./helper')
+const pino = require('../')
+
+const { pid } = process
+const hostname = os.hostname()
+
+function testEscape (ch, key) {
+  test('correctly escape ' + ch, async ({ same }) => {
+    const stream = sink()
+    const instance = pino({
+      name: 'hello'
+    }, stream)
+    instance.fatal('this contains ' + key)
+    const result = await once(stream, 'data')
+    delete result.time
+    same(result, {
+      pid,
+      hostname,
+      level: 60,
+      name: 'hello',
+      msg: 'this contains ' + key
+    })
+  })
+}
+
+testEscape('\\n', '\n')
+testEscape('\\/', '/')
+testEscape('\\\\', '\\')
+testEscape('\\r', '\r')
+testEscape('\\t', '\t')
+testEscape('\\b', '\b')
+
+const toEscape = [
+  '\u0000', // NUL  Null character
+  '\u0001', // SOH  Start of Heading
+  '\u0002', // STX  Start of Text
+  '\u0003', // ETX  End-of-text character
+  '\u0004', // EOT  End-of-transmission character
+  '\u0005', // ENQ  Enquiry character
+  '\u0006', // ACK  Acknowledge character
+  '\u0007', // BEL  Bell character
+  '\u0008', // BS   Backspace
+  '\u0009', // HT   Horizontal tab
+  '\u000A', // LF   Line feed
+  '\u000B', // VT   Vertical tab
+  '\u000C', // FF   Form feed
+  '\u000D', // CR   Carriage return
+  '\u000E', // SO   Shift Out
+  '\u000F', // SI   Shift In
+  '\u0010', // DLE  Data Link Escape
+  '\u0011', // DC1  Device Control 1
+  '\u0012', // DC2  Device Control 2
+  '\u0013', // DC3  Device Control 3
+  '\u0014', // DC4  Device Control 4
+  '\u0015', // NAK  Negative-acknowledge character
+  '\u0016', // SYN  Synchronous Idle
+  '\u0017', // ETB  End of Transmission Block
+  '\u0018', // CAN  Cancel character
+  '\u0019', // EM   End of Medium
+  '\u001A', // SUB  Substitute character
+  '\u001B', // ESC  Escape character
+  '\u001C', // FS   File Separator
+  '\u001D', // GS   Group Separator
+  '\u001E', // RS   Record Separator
+  '\u001F' // US   Unit Separator
+]
+
+toEscape.forEach((key) => {
+  testEscape(JSON.stringify(key), key)
+})
+
+test('correctly escape `hello \\u001F world \\n \\u0022`', async ({ same }) => {
+  const stream = sink()
+  const instance = pino({
+    name: 'hello'
+  }, stream)
+  instance.fatal('hello \u001F world \n \u0022')
+  const result = await once(stream, 'data')
+  delete result.time
+  same(result, {
+    pid,
+    hostname,
+    level: 60,
+    name: 'hello',
+    msg: 'hello \u001F world \n \u0022'
+  })
+})