add test

Signed-off-by: linyows <linyows@gmail.com>

1 files changed, 17 insertions, 0 deletions

diff --git a/spec/unit/knife/ssh_spec.rb b/spec/unit/knife/ssh_spec.rb
index af54115ac7..ecfca88924 100644
--- a/spec/unit/knife/ssh_spec.rb
+++ b/spec/unit/knife/ssh_spec.rb
@@ -137,6 +137,23 @@ describe Chef::Knife::Ssh do
           @knife.configure_session
         end
       end
+
+      context "when there are some hosts found but IPs duplicated" do
+        before do
+          @node_foo["fqdn"] = "foo.example.org"
+          @node_bar["fqdn"] = "foo.example.org"
+        end
+
+        it "should raise a specific error" do
+          expect(@knife.ui).to receive(:fatal).with(/^SSH node is duplicated: foo\.example\.org/)
+          expect(@knife).to receive(:exit).with(10)
+          expect(@knife).to receive(:session_from_list).with([
+            ["foo.example.org", nil, nil],
+            ["foo.example.org", nil, nil],
+          ])
+          @knife.configure_session
+        end
+      end
     end
 
     context "manual is set to true" do