1 files changed, 37 insertions, 0 deletions
diff --git a/spec/lib/atlassian/jira_issue_key_extractor_spec.rb b/spec/lib/atlassian/jira_issue_key_extractor_spec.rb
new file mode 100644
index 00000000000..ce29e03f818
--- /dev/null
+++ b/spec/lib/atlassian/jira_issue_key_extractor_spec.rb
@@ -0,0 +1,37 @@
+# frozen_string_literal: true
+
+require 'fast_spec_helper'
+
+RSpec.describe Atlassian::JiraIssueKeyExtractor do
+  describe '.has_keys?' do
+    subject { described_class.has_keys?(string) }
+
+    context 'when string contains Jira issue keys' do
+      let(:string) { 'Test some string TEST-01 with keys' }
+
+      it { is_expected.to eq(true) }
+    end
+
+    context 'when string does not contain Jira issue keys' do
+      let(:string) { 'string with no jira issue keys' }
+
+      it { is_expected.to eq(false) }
+    end
+  end
+
+  describe '#issue_keys' do
+    subject { described_class.new('TEST-01 Some A-100 issue title OTHER-02 ABC!-1 that mentions Jira issue').issue_keys }
+
+    it 'returns all valid Jira issue keys' do
+      is_expected.to contain_exactly('TEST-01', 'OTHER-02')
+    end
+
+    context 'when multiple strings are passed in' do
+      subject { described_class.new('TEST-01 Some A-100', 'issue title OTHER', '-02 ABC!-1 that mentions Jira issue').issue_keys }
+
+      it 'returns all valid Jira issue keys in any of those string' do
+        is_expected.to contain_exactly('TEST-01')
+      end
+    end
+  end
+end