1 files changed, 39 insertions, 0 deletions
diff --git a/spec/bundler/install/gems/mirror_spec.rb b/spec/bundler/install/gems/mirror_spec.rb
new file mode 100644
index 0000000000..4c35b8f206
--- /dev/null
+++ b/spec/bundler/install/gems/mirror_spec.rb
@@ -0,0 +1,39 @@
+# frozen_string_literal: true
+
+RSpec.describe "bundle install with a mirror configured" do
+  describe "when the mirror does not match the gem source" do
+    before :each do
+      gemfile <<-G
+        source "file://localhost#{gem_repo1}"
+
+        gem "rack"
+      G
+      bundle "config --local mirror.http://gems.example.org http://gem-mirror.example.org"
+    end
+
+    it "installs from the normal location" do
+      bundle :install
+      expect(out).to include(normalize_uri_file("Fetching source index from file://localhost#{gem_repo1}"))
+      expect(the_bundle).to include_gems "rack 1.0"
+    end
+  end
+
+  describe "when the gem source matches a configured mirror" do
+    before :each do
+      gemfile <<-G
+        # This source is bogus and doesn't have the gem we're looking for
+        source "file://localhost#{gem_repo2}"
+
+        gem "rack"
+      G
+      bundle "config --local mirror.file://localhost#{gem_repo2} file://localhost#{gem_repo1}"
+    end
+
+    it "installs the gem from the mirror" do
+      bundle :install
+      expect(out).to include(normalize_uri_file("Fetching source index from file://localhost#{gem_repo1}"))
+      expect(out).not_to include(normalize_uri_file("Fetching source index from file://localhost#{gem_repo2}"))
+      expect(the_bundle).to include_gems "rack 1.0"
+    end
+  end
+end