1 files changed, 49 insertions, 0 deletions
diff --git a/spec/finders/award_emojis_finder_spec.rb b/spec/finders/award_emojis_finder_spec.rb
new file mode 100644
index 00000000000..ccac475daad
--- /dev/null
+++ b/spec/finders/award_emojis_finder_spec.rb
@@ -0,0 +1,49 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe AwardEmojisFinder do
+  set(:issue_1) { create(:issue) }
+  set(:issue_1_thumbsup) { create(:award_emoji, name: 'thumbsup', awardable: issue_1) }
+  set(:issue_1_thumbsdown) { create(:award_emoji, name: 'thumbsdown', awardable: issue_1) }
+  # Create a matching set of emoji for a second issue.
+  # These should never appear in our finder results
+  set(:issue_2) { create(:issue) }
+  set(:issue_2_thumbsup) { create(:award_emoji, name: 'thumbsup', awardable: issue_2) }
+  set(:issue_2_thumbsdown) { create(:award_emoji, name: 'thumbsdown', awardable: issue_2) }
+
+  describe 'param validation' do
+    it 'raises an error if `name` is invalid' do
+      expect { described_class.new(issue_1, { name: 'invalid' }).execute }.to raise_error(
+        ArgumentError,
+        'Invalid name param'
+      )
+    end
+
+    it 'raises an error if `awarded_by` is invalid' do
+      expectation = [ArgumentError, 'Invalid awarded_by param']
+
+      expect { described_class.new(issue_1, { awarded_by: issue_2 }).execute }.to raise_error(*expectation)
+      expect { described_class.new(issue_1, { awarded_by: 'not-an-id' }).execute }.to raise_error(*expectation)
+      expect { described_class.new(issue_1, { awarded_by: 1.123 }).execute }.to raise_error(*expectation)
+    end
+  end
+
+  describe '#execute' do
+    it 'scopes to the awardable' do
+      expect(described_class.new(issue_1).execute).to contain_exactly(
+        issue_1_thumbsup, issue_1_thumbsdown
+      )
+    end
+
+    it 'filters by emoji name' do
+      expect(described_class.new(issue_1, { name: 'thumbsup' }).execute).to contain_exactly(issue_1_thumbsup)
+      expect(described_class.new(issue_1, { name: '8ball' }).execute).to be_empty
+    end
+
+    it 'filters by user' do
+      expect(described_class.new(issue_1, { awarded_by: issue_1_thumbsup.user }).execute).to contain_exactly(issue_1_thumbsup)
+      expect(described_class.new(issue_1, { awarded_by: issue_2_thumbsup.user }).execute).to be_empty
+    end
+  end
+end