1 files changed, 42 insertions, 0 deletions
diff --git a/spec/bundler/install/prereleases_spec.rb b/spec/bundler/install/prereleases_spec.rb
new file mode 100644
index 0000000000..6c32094d90
--- /dev/null
+++ b/spec/bundler/install/prereleases_spec.rb
@@ -0,0 +1,42 @@
+# frozen_string_literal: true
+require "spec_helper"
+
+RSpec.describe "bundle install" do
+  describe "when prerelease gems are available" do
+    it "finds prereleases" do
+      install_gemfile <<-G
+        source "file://#{gem_repo1}"
+        gem "not_released"
+      G
+      expect(the_bundle).to include_gems "not_released 1.0.pre"
+    end
+
+    it "uses regular releases if available" do
+      install_gemfile <<-G
+        source "file://#{gem_repo1}"
+        gem "has_prerelease"
+      G
+      expect(the_bundle).to include_gems "has_prerelease 1.0"
+    end
+
+    it "uses prereleases if requested" do
+      install_gemfile <<-G
+        source "file://#{gem_repo1}"
+        gem "has_prerelease", "1.1.pre"
+      G
+      expect(the_bundle).to include_gems "has_prerelease 1.1.pre"
+    end
+  end
+
+  describe "when prerelease gems are not available" do
+    it "still works" do
+      build_repo3
+      install_gemfile <<-G
+        source "file://#{gem_repo3}"
+        gem "rack"
+      G
+
+      expect(the_bundle).to include_gems "rack 1.0"
+    end
+  end
+end