Auto merge of #5391 - bundler:seg-ruby-version-requirement-valid, r=indirect

[RubyVersion] Ensure passed-in versions are valid during init

Closes #5380

1 files changed, 20 insertions, 0 deletions

diff --git a/spec/install/gemfile/ruby_spec.rb b/spec/install/gemfile/ruby_spec.rb
index 3f8957916b..b9d9683758 100644
--- a/spec/install/gemfile/ruby_spec.rb
+++ b/spec/install/gemfile/ruby_spec.rb
@@ -86,4 +86,24 @@ RSpec.describe "ruby requirement" do
     expect(the_bundle).to include_gems "rack 1.0.0"
     expect(locked_ruby_version.versions).to eq(["5100"])
   end
+
+  it "allows requirements with trailing whitespace" do
+    install_gemfile! <<-G
+      source "file://#{gem_repo1}"
+      ruby "#{RUBY_VERSION}\\n \t\\n"
+      gem "rack"
+    G
+
+    expect(the_bundle).to include_gems "rack 1.0.0"
+  end
+
+  it "fails gracefully with malformed requirements" do
+    install_gemfile <<-G
+      source "file://#{gem_repo1}"
+      ruby ">= 0", "-.\\0"
+      gem "rack"
+    G
+
+    expect(out).to include("There was an error parsing") # i.e. DSL error, not error template
+  end
 end