Merge pull request #754 from durango/generator-spec

Added query-generator spec to buster.

spec/query-generator.spec.js

+/* jshint multistr: true */
+
+if (typeof require === 'function') {
+  var buster             = require("buster")
+    , Helpers            = require('./buster-helpers')
+    , dialect            = Helpers.getTestDialect()
+}
+
+buster.spec.expose()
+buster.testRunner.timeout = 2000
+
+describe(Helpers.getTestDialectTeaser("QueryGenerators"), function() {
+  before(function(done) {
+    Helpers.initTests({
+      dialect: dialect,
+      beforeComplete: function(sequelize, DataTypes) {
+        this.sequelize = sequelize
+        this.DataTypes = DataTypes
+      }.bind(this),
+      onComplete: function() {
+        this.interface = this.sequelize.getQueryInterface()
+        done()
+      }.bind(this)
+    })
+  })
+
+  describe("comments", function() {
+    it("should create a comment for a column", function(done) {
+      var self = this
+        , User = this.sequelize.define('User', {
+          username: {type: this.DataTypes.STRING, comment: 'Some lovely info for my DBA'}
+        })
+
+      User.sync().success(function(){
+        var sql = ''
+        if (dialect === "mysql") {
+          sql = 'SELECT COLUMN_COMMENT as cmt FROM information_schema.COLUMNS WHERE TABLE_SCHEMA = \'' + self.sequelize.config.database + '\' AND TABLE_NAME = \'Users\' AND COLUMN_NAME = \'username\'';
+        }
+        else if (dialect === "postgres" || dialect === "postgres-native") {
+          sql = 'SELECT com.description as cmt FROM pg_attribute a  JOIN pg_class pgc ON pgc.oid = a.attrelid \
+                  LEFT JOIN pg_index i ON (pgc.oid = i.indrelid AND i.indkey[0] = a.attnum) \
+                  LEFT JOIN pg_description com on (pgc.oid = com.objoid AND a.attnum = com.objsubid) \
+                  WHERE a.attnum > 0 AND pgc.oid = a.attrelid AND pg_table_is_visible(pgc.oid) \
+                    AND NOT a.attisdropped AND pgc.relname = \'Users\' AND a.attname = \'username\'';
+        }
+        else if (dialect === "sqlite") {
+          // sqlite doesn't support comments except for explicit comments in the file
+          expect(true).toBeTrue()
+          return done()
+        } else {
+          console.log('FIXME: This dialect is not supported :(');
+          expect(true).toBeTrue()
+          return done()
+        }
+
+        self.sequelize.query(sql, null, {raw: true}).success(function(result) {
+          expect(result[0].cmt).toEqual('Some lovely info for my DBA');
+          done()
+        })
+      })
+    })
+  })
+})