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backend/node_modules/pino/test/browser-transmit.test.js

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+'use strict'
+const test = require('tape')
+const pino = require('../browser')
+
+function noop () {}
+
+test('throws if transmit object does not have send function', ({ end, throws }) => {
+  throws(() => {
+    pino({ browser: { transmit: {} } })
+  })
+
+  throws(() => {
+    pino({ browser: { transmit: { send: 'not a func' } } })
+  })
+
+  end()
+})
+
+test('calls send function after write', ({ end, is }) => {
+  let c = 0
+  const logger = pino({
+    browser: {
+      write: () => {
+        c++
+      },
+      transmit: {
+        send () { is(c, 1) }
+      }
+    }
+  })
+
+  logger.fatal({ test: 'test' })
+  end()
+})
+
+test('passes send function the logged level', ({ end, is }) => {
+  const logger = pino({
+    browser: {
+      write () {},
+      transmit: {
+        send (level) {
+          is(level, 'fatal')
+        }
+      }
+    }
+  })
+
+  logger.fatal({ test: 'test' })
+  end()
+})
+
+test('passes send function message strings in logEvent object when asObject is not set', ({ end, same, is }) => {
+  const logger = pino({
+    browser: {
+      write: noop,
+      transmit: {
+        send (level, { messages }) {
+          is(messages[0], 'test')
+          is(messages[1], 'another test')
+        }
+      }
+    }
+  })
+
+  logger.fatal('test', 'another test')
+
+  end()
+})
+
+test('passes send function message objects in logEvent object when asObject is not set', ({ end, same, is }) => {
+  const logger = pino({
+    browser: {
+      write: noop,
+      transmit: {
+        send (level, { messages }) {
+          same(messages[0], { test: 'test' })
+          is(messages[1], 'another test')
+        }
+      }
+    }
+  })
+
+  logger.fatal({ test: 'test' }, 'another test')
+
+  end()
+})
+
+test('passes send function message strings in logEvent object when asObject is set', ({ end, same, is }) => {
+  const logger = pino({
+    browser: {
+      asObject: true,
+      write: noop,
+      transmit: {
+        send (level, { messages }) {
+          is(messages[0], 'test')
+          is(messages[1], 'another test')
+        }
+      }
+    }
+  })
+
+  logger.fatal('test', 'another test')
+
+  end()
+})
+
+test('passes send function message objects in logEvent object when asObject is set', ({ end, same, is }) => {
+  const logger = pino({
+    browser: {
+      asObject: true,
+      write: noop,
+      transmit: {
+        send (level, { messages }) {
+          same(messages[0], { test: 'test' })
+          is(messages[1], 'another test')
+        }
+      }
+    }
+  })
+
+  logger.fatal({ test: 'test' }, 'another test')
+
+  end()
+})
+
+test('supplies a timestamp (ts) in logEvent object which is exactly the same as the `time` property in asObject mode', ({ end, is }) => {
+  let expected
+  const logger = pino({
+    browser: {
+      asObject: true, // implicit because `write`, but just to be explicit
+      write (o) {
+        expected = o.time
+      },
+      transmit: {
+        send (level, logEvent) {
+          is(logEvent.ts, expected)
+        }
+      }
+    }
+  })
+
+  logger.fatal('test')
+  end()
+})
+
+test('passes send function child bindings via logEvent object', ({ end, same, is }) => {
+  const logger = pino({
+    browser: {
+      write: noop,
+      transmit: {
+        send (level, logEvent) {
+          const messages = logEvent.messages
+          const bindings = logEvent.bindings
+          same(bindings[0], { first: 'binding' })
+          same(bindings[1], { second: 'binding2' })
+          same(messages[0], { test: 'test' })
+          is(messages[1], 'another test')
+        }
+      }
+    }
+  })
+
+  logger
+    .child({ first: 'binding' })
+    .child({ second: 'binding2' })
+    .fatal({ test: 'test' }, 'another test')
+  end()
+})
+
+test('passes send function level:{label, value} via logEvent object', ({ end, is }) => {
+  const logger = pino({
+    browser: {
+      write: noop,
+      transmit: {
+        send (level, logEvent) {
+          const label = logEvent.level.label
+          const value = logEvent.level.value
+
+          is(label, 'fatal')
+          is(value, 60)
+        }
+      }
+    }
+  })
+
+  logger.fatal({ test: 'test' }, 'another test')
+  end()
+})
+
+test('calls send function according to transmit.level', ({ end, is }) => {
+  let c = 0
+  const logger = pino({
+    browser: {
+      write: noop,
+      transmit: {
+        level: 'error',
+        send (level) {
+          c++
+          if (c === 1) is(level, 'error')
+          if (c === 2) is(level, 'fatal')
+        }
+      }
+    }
+  })
+  logger.warn('ignored')
+  logger.error('test')
+  logger.fatal('test')
+  end()
+})
+
+test('transmit.level defaults to logger level', ({ end, is }) => {
+  let c = 0
+  const logger = pino({
+    level: 'error',
+    browser: {
+      write: noop,
+      transmit: {
+        send (level) {
+          c++
+          if (c === 1) is(level, 'error')
+          if (c === 2) is(level, 'fatal')
+        }
+      }
+    }
+  })
+  logger.warn('ignored')
+  logger.error('test')
+  logger.fatal('test')
+  end()
+})
+
+test('transmit.level is effective even if lower than logger level', ({ end, is }) => {
+  let c = 0
+  const logger = pino({
+    level: 'error',
+    browser: {
+      write: noop,
+      transmit: {
+        level: 'info',
+        send (level) {
+          c++
+          if (c === 1) is(level, 'warn')
+          if (c === 2) is(level, 'error')
+          if (c === 3) is(level, 'fatal')
+        }
+      }
+    }
+  })
+  logger.warn('ignored')
+  logger.error('test')
+  logger.fatal('test')
+  end()
+})
+
+test('applies all serializers to messages and bindings (serialize:false - default)', ({ end, same, is }) => {
+  const logger = pino({
+    serializers: {
+      first: () => 'first',
+      second: () => 'second',
+      test: () => 'serialize it'
+    },
+    browser: {
+      write: noop,
+      transmit: {
+        send (level, logEvent) {
+          const messages = logEvent.messages
+          const bindings = logEvent.bindings
+          same(bindings[0], { first: 'first' })
+          same(bindings[1], { second: 'second' })
+          same(messages[0], { test: 'serialize it' })
+          is(messages[1].type, 'Error')
+        }
+      }
+    }
+  })
+
+  logger
+    .child({ first: 'binding' })
+    .child({ second: 'binding2' })
+    .fatal({ test: 'test' }, Error())
+  end()
+})
+
+test('applies all serializers to messages and bindings (serialize:true)', ({ end, same, is }) => {
+  const logger = pino({
+    serializers: {
+      first: () => 'first',
+      second: () => 'second',
+      test: () => 'serialize it'
+    },
+    browser: {
+      serialize: true,
+      write: noop,
+      transmit: {
+        send (level, logEvent) {
+          const messages = logEvent.messages
+          const bindings = logEvent.bindings
+          same(bindings[0], { first: 'first' })
+          same(bindings[1], { second: 'second' })
+          same(messages[0], { test: 'serialize it' })
+          is(messages[1].type, 'Error')
+        }
+      }
+    }
+  })
+
+  logger
+    .child({ first: 'binding' })
+    .child({ second: 'binding2' })
+    .fatal({ test: 'test' }, Error())
+  end()
+})
+
+test('extracts correct bindings and raw messages over multiple transmits', ({ end, same, is }) => {
+  let messages = null
+  let bindings = null
+
+  const logger = pino({
+    browser: {
+      write: noop,
+      transmit: {
+        send (level, logEvent) {
+          messages = logEvent.messages
+          bindings = logEvent.bindings
+        }
+      }
+    }
+  })
+
+  const child = logger.child({ child: true })
+  const grandchild = child.child({ grandchild: true })
+
+  logger.fatal({ test: 'parent:test1' })
+  logger.fatal({ test: 'parent:test2' })
+  same([], bindings)
+  same([{ test: 'parent:test2' }], messages)
+
+  child.fatal({ test: 'child:test1' })
+  child.fatal({ test: 'child:test2' })
+  same([{ child: true }], bindings)
+  same([{ test: 'child:test2' }], messages)
+
+  grandchild.fatal({ test: 'grandchild:test1' })
+  grandchild.fatal({ test: 'grandchild:test2' })
+  same([{ child: true }, { grandchild: true }], bindings)
+  same([{ test: 'grandchild:test2' }], messages)
+
+  end()
+})
+
+test('does not log below configured level', ({ end, is }) => {
+  let message = null
+  const logger = pino({
+    level: 'info',
+    browser: {
+      write (o) {
+        message = o.msg
+      },
+      transmit: {
+        send () { }
+      }
+    }
+  })
+
+  logger.debug('this message is silent')
+  is(message, null)
+
+  end()
+})
+
+test('silent level prevents logging even with transmit', ({ end, fail }) => {
+  const logger = pino({
+    level: 'silent',
+    browser: {
+      write () {
+        fail('no data should be logged by the write method')
+      },
+      transmit: {
+        send () {
+          fail('no data should be logged by the send method')
+        }
+      }
+    }
+  })
+
+  Object.keys(pino.levels.values).forEach((level) => {
+    logger[level]('ignored')
+  })
+
+  end()
+})
+
+test('does not call send when transmit.level is set to silent', ({ end, fail, is }) => {
+  let c = 0
+  const logger = pino({
+    level: 'trace',
+    browser: {
+      write () {
+        c++
+      },
+      transmit: {
+        level: 'silent',
+        send () {
+          fail('no data should be logged by the transmit method')
+        }
+      }
+    }
+  })
+
+  const levels = Object.keys(pino.levels.values)
+  levels.forEach((level) => {
+    logger[level]('message')
+  })
+
+  is(c, levels.length, 'write must be called exactly once per level')
+  end()
+})