Move Repository#wrapped_gitaly_errors into concern

Having this in a concern allows us to reuse it for different single
purpose classes that call out to git without going through the
repository every time.

1 files changed, 28 insertions, 0 deletions

diff --git a/spec/lib/gitlab/git/wraps_gitaly_errors_spec.rb b/spec/lib/gitlab/git/wraps_gitaly_errors_spec.rb
new file mode 100644
index 00000000000..bcf4814edb6
--- /dev/null
+++ b/spec/lib/gitlab/git/wraps_gitaly_errors_spec.rb
@@ -0,0 +1,28 @@
+require 'spec_helper'
+
+describe Gitlab::Git::WrapsGitalyErrors do
+  subject(:wrapper) do
+    klazz = Class.new { include Gitlab::Git::WrapsGitalyErrors }
+    klazz.new
+  end
+
+  describe "#wrapped_gitaly_errors" do
+    mapping = {
+      GRPC::NotFound => Gitlab::Git::Repository::NoRepository,
+      GRPC::InvalidArgument => ArgumentError,
+      GRPC::BadStatus => Gitlab::Git::CommandError
+    }
+
+    mapping.each do |grpc_error, error|
+      it "wraps #{grpc_error} in a #{error}" do
+        expect { wrapper.wrapped_gitaly_errors { raise grpc_error.new('wrapped') } }
+          .to raise_error(error)
+      end
+    end
+
+    it 'does not swallow other errors' do
+      expect { wrapper.wrapped_gitaly_errors { raise 'raised' } }
+        .to raise_error(RuntimeError)
+    end
+  end
+end