Merge remote-tracking branch 'parent/main' into upstream-20241101

spec/support/command_line_helpers.rb

@@ -1,9 +1,9 @@
 # frozen_string_literal: true
 
 module CommandLineHelpers
-  def output_results(*args)
+  def output_results(*)
     output(
-      include(*args)
+      include(*)
     ).to_stdout
   end
 end

spec/support/domain_helpers.rb

@@ -0,0 +1,44 @@
+# frozen_string_literal: true
+
+module DomainHelpers
+  def configure_mx(domain:, exchange:, ip_v4_addr: '2.3.4.5', ip_v6_addr: 'fd00::2')
+    resolver = instance_double(Resolv::DNS, :timeouts= => nil)
+
+    allow(resolver).to receive(:getresources)
+      .with(domain, Resolv::DNS::Resource::IN::MX)
+      .and_return([double_mx(exchange)])
+    allow(resolver)
+      .to receive(:getresources)
+      .with(domain, Resolv::DNS::Resource::IN::A)
+      .and_return([])
+    allow(resolver)
+      .to receive(:getresources)
+      .with(domain, Resolv::DNS::Resource::IN::AAAA)
+      .and_return([])
+    allow(resolver)
+      .to receive(:getresources)
+      .with(exchange, Resolv::DNS::Resource::IN::A)
+      .and_return([double_resource_v4(ip_v4_addr)])
+    allow(resolver)
+      .to receive(:getresources)
+      .with(exchange, Resolv::DNS::Resource::IN::AAAA)
+      .and_return([double_resource_v6(ip_v6_addr)])
+    allow(Resolv::DNS)
+      .to receive(:open)
+      .and_yield(resolver)
+  end
+
+  private
+
+  def double_mx(exchange)
+    instance_double(Resolv::DNS::Resource::MX, exchange: exchange)
+  end
+
+  def double_resource_v4(addr)
+    instance_double(Resolv::DNS::Resource::IN::A, address: addr)
+  end
+
+  def double_resource_v6(addr)
+    instance_double(Resolv::DNS::Resource::IN::AAAA, address: addr)
+  end
+end