JezK
Edit File: has_sent_mail.rb
# frozen_string_literal: true module Mail module Matchers def have_sent_email HasSentEmailMatcher.new(self) end class HasSentEmailMatcher def initialize(_context) end def matches?(subject) matching_deliveries = filter_matched_deliveries(Mail::TestMailer.deliveries) !(matching_deliveries.empty?) end def from(sender) @sender = sender self end def to(recipient_or_list) @recipients ||= [] if recipient_or_list.kind_of?(Array) @recipients += recipient_or_list else @recipients << recipient_or_list end self end def cc(recipient_or_list) @copy_recipients ||= [] if recipient_or_list.kind_of?(Array) @copy_recipients += recipient_or_list else @copy_recipients << recipient_or_list end self end def bcc(recipient_or_list) @blind_copy_recipients ||= [] @blind_copy_recipients.concat(Array(recipient_or_list)) self end def with_attachments(attachments) @attachments ||= [] @attachments.concat(Array(attachments)) self end def with_no_attachments @having_attachments = false self end def with_any_attachments @having_attachments = true self end def with_subject(subject) @subject = subject self end def matching_subject(subject_matcher) @subject_matcher = subject_matcher self end def with_body(body) @body = body self end def matching_body(body_matcher) @body_matcher = body_matcher self end def with_html(body) @html_part_body = body self end def with_text(body) @text_part_body = body self end def description result = "send a matching email" result end def failure_message result = "Expected email to be sent " result += explain_expectations result += dump_deliveries result end def failure_message_when_negated result = "Expected no email to be sent " result += explain_expectations result += dump_deliveries result end protected def filter_matched_deliveries(deliveries) candidate_deliveries = deliveries modifiers = %w(sender recipients copy_recipients blind_copy_recipients subject subject_matcher body body_matcher html_part_body text_part_body having_attachments attachments) modifiers.each do |modifier_name| next unless instance_variable_defined?("@#{modifier_name}") candidate_deliveries = candidate_deliveries.select{|matching_delivery| self.send("matches_on_#{modifier_name}?", matching_delivery)} end candidate_deliveries end def matches_on_sender?(delivery) delivery.from.include?(@sender) end def matches_on_recipients?(delivery) @recipients.all? {|recipient| delivery.to.include?(recipient) } end def matches_on_copy_recipients?(delivery) @copy_recipients.all? {|recipient| delivery.cc.include?(recipient) } end def matches_on_blind_copy_recipients?(delivery) @blind_copy_recipients.all? {|recipient| delivery.bcc.include?(recipient) } end def matches_on_subject?(delivery) delivery.subject == @subject end def matches_on_subject_matcher?(delivery) @subject_matcher.match delivery.subject end def matches_on_having_attachments?(delivery) @having_attachments && delivery.attachments.any? || (!@having_attachments && delivery.attachments.none?) end def matches_on_attachments?(delivery) @attachments.each_with_index.inject( true ) do |sent_attachments, (attachment, index)| sent_attachments &&= (attachment === delivery.attachments[index]) end end def matches_on_body?(delivery) delivery.body == @body end def matches_on_body_matcher?(delivery) @body_matcher.match delivery.body.raw_source end def matches_on_html_part_body?(delivery) delivery.html_part.body == @html_part_body end def matches_on_text_part_body?(delivery) delivery.text_part.body == @text_part_body end def explain_expectations result = '' result += "from #{@sender} " if instance_variable_defined?('@sender') result += "to #{@recipients.inspect} " if instance_variable_defined?('@recipients') result += "cc #{@copy_recipients.inspect} " if instance_variable_defined?('@copy_recipients') result += "bcc #{@blind_copy_recipients.inspect} " if instance_variable_defined?('@blind_copy_recipients') result += "with subject \"#{@subject}\" " if instance_variable_defined?('@subject') result += "with subject matching \"#{@subject_matcher}\" " if instance_variable_defined?('@subject_matcher') result += "with body \"#{@body}\" " if instance_variable_defined?('@body') result += "with body matching \"#{@body_matcher}\" " if instance_variable_defined?('@body_matcher') result += "with a text part matching \"#{@text_part_body}\" " if instance_variable_defined?('@text_part_body') result += "with an HTML part matching \"#{@html_part_body}\" " if instance_variable_defined?('@html_part_body') result end def dump_deliveries "(actual deliveries: " + Mail::TestMailer.deliveries.inspect + ")" end end end end