1 files changed, 51 insertions, 0 deletions
diff --git a/spec/lib/gitlab/ci/environment_matcher_spec.rb b/spec/lib/gitlab/ci/environment_matcher_spec.rb
new file mode 100644
index 00000000000..172ada1b764
--- /dev/null
+++ b/spec/lib/gitlab/ci/environment_matcher_spec.rb
@@ -0,0 +1,51 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Gitlab::Ci::EnvironmentMatcher, feature_category: :continuous_integration do
+  describe '#match?' do
+    context 'when given pattern is a normal string' do
+      subject { described_class.new('production') }
+
+      it 'returns true on an exact match' do
+        expect(subject.match?('production')).to eq true
+      end
+
+      it 'returns false if not an exact match' do
+        expect(subject.match?('productiom')).to eq false
+      end
+    end
+
+    context 'when given pattern has a wildcard' do
+      it 'returns true on wildcard matches', :aggregate_failures do
+        expect(described_class.new('review/*').match?('review/123')).to eq true
+        expect(described_class.new('review/*/*').match?('review/123/456')).to eq true
+        expect(described_class.new('*-this-is-a-pattern-*').match?('abc123-this-is-a-pattern-abc123')).to eq true
+      end
+
+      it 'returns false when not a wildcard match', :aggregate_failures do
+        expect(described_class.new('review/*').match?('review123')).to eq false
+        expect(described_class.new('review/*/*').match?('review/123')).to eq false
+        expect(described_class.new('*-this-is-a-pattern-*').match?('abc123-this-is-a-pattern')).to eq false
+      end
+    end
+
+    context 'when given pattern is nil' do
+      subject { described_class.new(nil) }
+
+      it 'always returns false' do
+        expect(subject.match?('production')).to eq false
+        expect(subject.match?('review/123')).to eq false
+      end
+    end
+
+    context 'when given pattern is an empty string' do
+      subject { described_class.new('') }
+
+      it 'always returns false' do
+        expect(subject.match?('production')).to eq false
+        expect(subject.match?('review/123')).to eq false
+      end
+    end
+  end
+end