1 files changed, 38 insertions, 0 deletions
diff --git a/spec/lib/gitlab/slug/environment_spec.rb b/spec/lib/gitlab/slug/environment_spec.rb
new file mode 100644
index 00000000000..7dc583a94b8
--- /dev/null
+++ b/spec/lib/gitlab/slug/environment_spec.rb
@@ -0,0 +1,38 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe Gitlab::Slug::Environment do
+  describe '#generate' do
+    {
+      "staging-12345678901234567" => "staging-123456789-q517sa",
+      "9-staging-123456789012345" => "env-9-staging-123-q517sa",
+      "staging-1234567890123456"  => "staging-1234567890123456",
+      "staging-1234567890123456-" => "staging-123456789-q517sa",
+      "production"                => "production",
+      "PRODUCTION"                => "production-q517sa",
+      "review/1-foo"              => "review-1-foo-q517sa",
+      "1-foo"                     => "env-1-foo-q517sa",
+      "1/foo"                     => "env-1-foo-q517sa",
+      "foo-"                      => "foo",
+      "foo--bar"                  => "foo-bar-q517sa",
+      "foo**bar"                  => "foo-bar-q517sa",
+      "*-foo"                     => "env-foo-q517sa",
+      "staging-12345678-"         => "staging-12345678",
+      "staging-12345678-01234567" => "staging-12345678-q517sa",
+      ""                          => "env-q517sa",
+      nil                         => "env-q517sa"
+    }.each do |name, matcher|
+      before do
+        # ('a' * 64).to_i(16).to_s(36).last(6) gives 'q517sa'
+        allow(Digest::SHA2).to receive(:hexdigest).with(name).and_return('a' * 64)
+      end
+
+      it "returns a slug matching #{matcher}, given #{name}" do
+        slug = described_class.new(name).generate
+
+        expect(slug).to match(/\A#{matcher}\z/)
+      end
+    end
+  end
+end