hunk.code_window:         # Test the right email is constructed.
       @mock.patch('os.environ.get')
       @mock.patch('airflow.contrib.utils.sendgrid._post_sendgrid_mail')
       def test_send_email_sendgrid_correct_email(self, mock_post, mock_get):
           mock_get.return_value = 'foo@bar.com'
           send_email(self.to, self.subject, self.html_content, cc=self.cc, bcc=self.bcc)
           mock_post.assert_called_with(self.expected_mail_data)
  
hunk.labels: keep keep keep keep keep replace keep keep keep
hunk.after_edit:         def get_return(var):
               return {'SENDGRID_MAIL_FROM': 'foo@bar.com'}.get(var)
           mock_get.side_effect = get_return
  
hunk.file_path: tests/contrib/utils/test_sendgrid.py
hunk.type: replace
file: # -*- coding: utf-8 -*-
  #
  # Licensed to the Apache Software Foundation (ASF) under one
  # or more contributor license agreements.  See the NOTICE file
  # distributed with this work for additional information
  # regarding copyright ownership.  The ASF licenses this file
  # to you under the Apache License, Version 2.0 (the
  # "License"); you may not use this file except in compliance
  # with the License.  You may obtain a copy of the License at
  # 
  #   http://www.apache.org/licenses/LICENSE-2.0
  # 
  # Unless required by applicable law or agreed to in writing,
  # software distributed under the License is distributed on an
  # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  # KIND, either express or implied.  See the License for the
  # specific language governing permissions and limitations
  # under the License.
  from airflow.hooks.postgres_hook import PostgresHook
  from airflow.hooks.S3_hook import S3Hook
  from airflow.models import BaseOperator
  from airflow.utils.decorators import apply_defaults
  
  
  class RedshiftToS3Transfer(BaseOperator):
      """
      Executes an UNLOAD command to s3 as a CSV with headers
  
      :param schema: reference to a specific schema in redshift database
      :type schema: string
      :param table: reference to a specific table in redshift database
      :type table: string
      :param s3_bucket: reference to a specific S3 bucket
      :type s3_bucket: string
      :param s3_key: reference to a specific S3 key
      :type s3_key: string
      :param redshift_conn_id: reference to a specific redshift database
      :type redshift_conn_id: string
      :param aws_conn_id: reference to a specific S3 connection
      :type aws_conn_id: string
      :param unload_options: reference to a list of UNLOAD options
      :type unload_options: list
      """
  
      template_fields = ()
      template_ext = ()
      ui_color = '#ededed'
  
      @apply_defaults
      def __init__(
              self,
              schema,
              table,
              s3_bucket,
              s3_key,
              redshift_conn_id='redshift_default',
              aws_conn_id='aws_default',
              unload_options=tuple(),
              autocommit=False,
              parameters=None,
              include_header=False,
              *args, **kwargs):
          super(RedshiftToS3Transfer, self).__init__(*args, **kwargs)
          self.schema = schema
          self.table = table
          self.s3_bucket = s3_bucket
          self.s3_key = s3_key
          self.redshift_conn_id = redshift_conn_id
          self.aws_conn_id = aws_conn_id
          self.unload_options = unload_options
          self.autocommit = autocommit
          self.parameters = parameters
          self.include_header = include_header
  
          if self.include_header and \
             'PARALLEL OFF' not in [uo.upper().strip() for uo in unload_options]:
              self.unload_options = list(unload_options) + ['PARALLEL OFF', ]
  
      def execute(self, context):
          self.hook = PostgresHook(postgres_conn_id=self.redshift_conn_id)
          self.s3 = S3Hook(aws_conn_id=self.aws_conn_id)
          credentials = self.s3.get_credentials()
          unload_options = '\n\t\t\t'.join(self.unload_options)
  
          if self.include_header:
              self.log.info("Retrieving headers from %s.%s...",
                            self.schema, self.table)
  
              columns_query = """SELECT column_name
                                          FROM information_schema.columns
                                          WHERE table_schema = '{schema}'
                                          AND   table_name = '{table}'
                                          ORDER BY ordinal_position
                              """.format(schema=self.schema,
                                         table=self.table)
  
              cursor = self.hook.get_conn().cursor()
              cursor.execute(columns_query)
              rows = cursor.fetchall()
              columns = [row[0] for row in rows]
              column_names = ', '.join("{0}".format(c) for c in columns)
              column_headers = ', '.join("\\'{0}\\'".format(c) for c in columns)
              column_castings = ', '.join("CAST({0} AS text) AS {0}".format(c)
                                          for c in columns)
  
              select_query = """SELECT {column_names} FROM
                                      (SELECT 2 sort_order, {column_castings}
                                       FROM {schema}.{table}
                                      UNION ALL
                                      SELECT 1 sort_order, {column_headers})
                                   ORDER BY sort_order"""\
                              .format(column_names=column_names,
                                      column_castings=column_castings,
                                      column_headers=column_headers,
                                      schema=self.schema,
                                      table=self.table)
          else:
              select_query = "SELECT * FROM {schema}.{table}"\
                  .format(schema=self.schema,
                          table=self.table)
  
          unload_query = """
                      UNLOAD ('{select_query}')
                      TO 's3://{s3_bucket}/{s3_key}/{table}_'
                      with credentials
                      'aws_access_key_id={access_key};aws_secret_access_key={secret_key}'
                      {unload_options};
                      """.format(select_query=select_query,
                                 table=self.table,
                                 s3_bucket=self.s3_bucket,
                                 s3_key=self.s3_key,
                                 access_key=credentials.access_key,
                                 secret_key=credentials.secret_key,
                                 unload_options=unload_options)
  
          self.log.info('Executing UNLOAD command...')
          self.hook.run(unload_query, self.autocommit)
          self.log.info("UNLOAD command complete...")
  