Add unit tests for `Bundler::SharedHelpers#default_lockfile`

1 files changed, 24 insertions, 0 deletions

diff --git a/spec/bundler/shared_helpers_spec.rb b/spec/bundler/shared_helpers_spec.rb
index 4803c66977..da11fa1f09 100644
--- a/spec/bundler/shared_helpers_spec.rb
+++ b/spec/bundler/shared_helpers_spec.rb
@@ -22,6 +22,30 @@ describe Bundler::SharedHelpers do
       end
     end
   end
+  describe "#default_lockfile" do
+    subject { Bundler::SharedHelpers.default_lockfile }
+
+    context "gemfile is gems.rb" do
+      before do
+        gemfile_path = Pathname.new("/path/gems.rb")
+        allow(Bundler::SharedHelpers).to receive(:default_gemfile).and_return(gemfile_path)
+      end
+      it "returns the gems.locked path" do
+        expected_lockfile_path = Pathname.new("/path/gems.locked")
+        expect(subject).to eq(expected_lockfile_path)
+      end
+    end
+    context "is a regular Gemfile" do
+      before do
+        gemfile_path = Pathname.new("/path/Gemfile")
+        allow(Bundler::SharedHelpers).to receive(:default_gemfile).and_return(gemfile_path)
+      end
+      it "returns the lock file path" do
+        expected_lockfile_path = Pathname.new("/path/Gemfile.lock")
+        expect(subject).to eq(expected_lockfile_path)
+      end
+    end
+  end
   describe "#const_get_safely" do
     module TargetNamespace
       VALID_CONSTANT = 1