modified

node_modules/pino-pretty/lib/utils/prettify-level.test.js

@@ -0,0 +1,68 @@
+'use strict'
+
+const tap = require('tap')
+const prettifyLevel = require('./prettify-level')
+const getColorizer = require('../colors')
+const {
+  LEVEL_KEY
+} = require('../constants')
+
+const context = {
+  colorizer: getColorizer(),
+  customLevelNames: undefined,
+  customLevels: undefined,
+  levelKey: LEVEL_KEY,
+  customPrettifiers: undefined
+}
+
+tap.test('returns `undefined` for unknown level', async t => {
+  const colorized = prettifyLevel({
+    log: {},
+    context: {
+      ...context
+    }
+  })
+  t.equal(colorized, undefined)
+})
+
+tap.test('returns non-colorized value for default colorizer', async t => {
+  const log = {
+    level: 30
+  }
+  const colorized = prettifyLevel({
+    log,
+    context: {
+      ...context
+    }
+  })
+  t.equal(colorized, 'INFO')
+})
+
+tap.test('returns colorized value for color colorizer', async t => {
+  const log = {
+    level: 30
+  }
+  const colorizer = getColorizer(true)
+  const colorized = prettifyLevel({
+    log,
+    context: {
+      ...context,
+      colorizer
+    }
+  })
+  t.equal(colorized, '\u001B[32mINFO\u001B[39m')
+})
+
+tap.test('passes output through provided prettifier', async t => {
+  const log = {
+    level: 30
+  }
+  const colorized = prettifyLevel({
+    log,
+    context: {
+      ...context,
+      customPrettifiers: { level () { return 'modified' } }
+    }
+  })
+  t.equal(colorized, 'modified')
+})