Fix actions/tour

node_modules/abstract-level/test/self/attach-resource-test.js

@@ -0,0 +1,75 @@
+'use strict'
+
+const test = require('tape')
+const { mockLevel } = require('../util')
+const nextTick = require('../../lib/next-tick')
+
+test('resource must be an object with a close() method', function (t) {
+  t.plan(5)
+
+  const db = mockLevel()
+
+  for (const invalid of [null, undefined, {}, { close: 123 }]) {
+    try {
+      db.attachResource(invalid)
+    } catch (err) {
+      t.is(err && err.message, 'The first argument must be a resource object')
+    }
+  }
+
+  db.close(t.ifError.bind(t))
+})
+
+test('resource is closed on failed open', function (t) {
+  t.plan(2)
+
+  const db = mockLevel({
+    _open: function (options, callback) {
+      t.pass('opened')
+      this.nextTick(callback, new Error('_open error'))
+    }
+  })
+
+  const resource = {
+    close: function (cb) {
+      // Note: resource shouldn't care about db.status
+      t.pass('closed')
+      nextTick(cb)
+    }
+  }
+
+  db.attachResource(resource)
+})
+
+test('resource is closed on db.close()', function (t) {
+  t.plan(2)
+
+  const db = mockLevel()
+
+  const resource = {
+    close: function (cb) {
+      // Note: resource shouldn't care about db.status
+      t.pass('closed')
+      nextTick(cb)
+    }
+  }
+
+  db.attachResource(resource)
+  db.close(t.ifError.bind(t))
+})
+
+test('resource is not closed on db.close() if detached', function (t) {
+  t.plan(1)
+
+  const db = mockLevel()
+
+  const resource = {
+    close: function (cb) {
+      t.fail('should not be called')
+    }
+  }
+
+  db.attachResource(resource)
+  db.detachResource(resource)
+  db.close(t.ifError.bind(t))
+})