2 files changed, 38 insertions, 5 deletions
diff --git a/spec/models/account_pin_spec.rb b/spec/models/account_pin_spec.rb
deleted file mode 100644
index 4f226b127..000000000
--- a/spec/models/account_pin_spec.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-require 'rails_helper'
-
-RSpec.describe AccountPin, type: :model do
-  pending "add some examples to (or delete) #{__FILE__}"
-end
diff --git a/spec/models/account_tag_stat_spec.rb b/spec/models/account_tag_stat_spec.rb
new file mode 100644
index 000000000..6d3057f35
--- /dev/null
+++ b/spec/models/account_tag_stat_spec.rb
@@ -0,0 +1,38 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe AccountTagStat, type: :model do
+  key = 'accounts_count'
+  let(:account_tag_stat) { Fabricate(:tag).account_tag_stat }
+
+  describe '#increment_count!' do
+    it 'calls #update' do
+      args = { key => account_tag_stat.public_send(key) + 1 }
+      expect(account_tag_stat).to receive(:update).with(args)
+      account_tag_stat.increment_count!(key)
+    end
+
+    it 'increments value by 1' do
+      expect do
+        account_tag_stat.increment_count!(key)
+      end.to change { account_tag_stat.accounts_count }.by(1)
+    end
+  end
+
+  describe '#decrement_count!' do
+    it 'calls #update' do
+      args = { key => [account_tag_stat.public_send(key) - 1, 0].max }
+      expect(account_tag_stat).to receive(:update).with(args)
+      account_tag_stat.decrement_count!(key)
+    end
+
+    it 'decrements value by 1' do
+      account_tag_stat.update(key => 1)
+
+      expect do
+        account_tag_stat.decrement_count!(key)
+      end.to change { account_tag_stat.accounts_count }.by(-1)
+    end
+  end
+end