[Lock] Fix --add-platform ruby

Necessary since the ruby platform is a string instead of a platform object

1 files changed, 6 insertions, 0 deletions

diff --git a/spec/commands/lock_spec.rb b/spec/commands/lock_spec.rb
index 1c00aa3c..b51003f2 100644
--- a/spec/commands/lock_spec.rb
+++ b/spec/commands/lock_spec.rb
@@ -161,6 +161,12 @@ describe "bundle lock" do
     expect(lockfile.platforms).to eq([java, local, mingw])
   end
 
+  it "supports adding the `ruby` platform" do
+    bundle! "lock --add-platform ruby"
+    lockfile = Bundler::LockfileParser.new(read_lockfile)
+    expect(lockfile.platforms).to eq([local, "ruby"].uniq)
+  end
+
   it "warns when adding an unknown platform" do
     bundle "lock --add-platform foobarbaz"
     expect(out).to include("The platform `foobarbaz` is unknown to RubyGems and adding it will likely lead to resolution errors")