[rubygems/rubygems] Improve spec wording and implementation

Limit the `before` block to set `frozen`, which is the context of the
spec, and change the implementation to only write the Gemfile once, with
a gem being removed from what's in the lockfile.

https://github.com/rubygems/rubygems/commit/4d0314ff37

1 files changed, 8 insertions, 10 deletions

diff --git a/spec/bundler/commands/cache_spec.rb b/spec/bundler/commands/cache_spec.rb
index 973cf5add5..db5ec9cf21 100644
--- a/spec/bundler/commands/cache_spec.rb
+++ b/spec/bundler/commands/cache_spec.rb
@@ -292,6 +292,10 @@ RSpec.describe "bundle cache" do
 
   context "with frozen configured" do
     before do
+      bundle "config set --local frozen true"
+    end
+
+    it "tries to install but fails when the lockfile is out of sync" do
       gemfile <<-G
         source "https://gem.repo1"
         gem "myrack"
@@ -301,29 +305,23 @@ RSpec.describe "bundle cache" do
           remote: https://gem.repo1/
           specs:
             myrack (1.0.0)
+            myrack-obama (1.0)
+              myrack
 
         PLATFORMS
           #{lockfile_platforms}
 
         DEPENDENCIES
           myrack
+          myrack-obama
 
         BUNDLED WITH
            #{Bundler::VERSION}
       L
-      bundle "config set --local frozen true"
-    end
-
-    it "tries to install with frozen" do
-      gemfile <<-G
-        source "https://gem.repo1"
-        gem "myrack"
-        gem "myrack-obama"
-      G
       bundle :cache, raise_on_error: false
       expect(exitstatus).to eq(16)
       expect(err).to include("frozen mode")
-      expect(err).to include("You have added to the Gemfile")
+      expect(err).to include("You have deleted from the Gemfile")
       expect(err).to include("* myrack-obama")
       bundle "env"
       expect(out).to include("frozen")