test_algorithm should not depeng on known host file contents

1 files changed, 7 insertions, 2 deletions

diff --git a/test/transport/test_algorithms.rb b/test/transport/test_algorithms.rb
index d79d446..d998d56 100644
--- a/test/transport/test_algorithms.rb
+++ b/test/transport/test_algorithms.rb
@@ -46,7 +46,9 @@ module Transport
     end
 
     def test_constructor_with_known_hosts_reporting_known_host_key_should_use_that_host_key_type
-      Net::SSH::KnownHosts.expects(:search_for).with("net.ssh.test,127.0.0.1", {}).returns([stub("key", ssh_type: "ssh-dss")])
+      Net::SSH::KnownHosts.expects(:search_for).with("net.ssh.test,127.0.0.1", {
+        user_known_hosts_file: "/dev/null", global_known_hosts_file: "/dev/null"
+      }).returns([stub("key", ssh_type: "ssh-dss")])
       assert_equal %w[ssh-dss] + ed_ec_host_keys + %w[ssh-rsa-cert-v01@openssh.com ssh-rsa-cert-v00@openssh.com ssh-rsa rsa-sha2-256 rsa-sha2-512], algorithms[:host_key]
     end
 
@@ -438,7 +440,10 @@ module Transport
     end
 
     def transport(transport_options={})
-      @transport ||= MockTransport.new(transport_options)
+      @transport ||= MockTransport.new(
+        {user_known_hosts_file: '/dev/null',
+        global_known_hosts_file: '/dev/null'}.merge(transport_options)
+      )
     end
   end
 end