Add some basic tests for migrating discourse-slack-official job.

spec/jobs/onceoff/migrate_from_slack_official_spec.rb

@@ -0,0 +1,110 @@
+require 'rails_helper'
+
+RSpec.describe Jobs::DiscourseChatMigrateFromSlackOfficial do
+  let(:category) { Fabricate(:category) }
+
+  describe 'when a uncategorized filter is present' do
+    before do
+      PluginStoreRow.create!(
+        plugin_name: 'discourse-slack-official',
+        key: "category_*",
+        type_name: "JSON",
+        value: "[{\"channel\":\"#channel1\",\"filter\":\"watch\"},{\"channel\":\"#channel2\",\"filter\":\"follow\"},{\"channel\":\"#channel1\",\"filter\":\"mute\"}]"
+      )
+    end
+
+    it 'should create the right channels and rules' do
+      described_class.new.execute_onceoff({})
+
+      expect(DiscourseChat::Channel.count).to eq(2)
+      expect(DiscourseChat::Rule.count).to eq(2)
+
+      channel = DiscourseChat::Channel.first
+
+      expect(channel.value['provider']).to eq("slack")
+      expect(channel.value['data']['identifier']).to eq("#channel1")
+
+      rule = DiscourseChat::Rule.first
+
+      expect(rule.value['channel_id']).to eq(channel.id)
+      expect(rule.value['filter']).to eq('mute')
+      expect(rule.value['category_id']).to eq(nil)
+
+      channel = DiscourseChat::Channel.last
+
+      expect(channel.value['provider']).to eq("slack")
+      expect(channel.value['data']['identifier']).to eq("#channel2")
+
+      rule = DiscourseChat::Rule.last
+
+      expect(rule.value['channel_id']).to eq(channel.id)
+      expect(rule.value['filter']).to eq('follow')
+      expect(rule.value['category_id']).to eq(nil)
+    end
+  end
+
+  describe 'when filter contains an invalid tag' do
+    let(:tag) { Fabricate(:tag) }
+
+    before do
+      PluginStoreRow.create!(
+        plugin_name: 'discourse-slack-official',
+        key: "category_#{category.id}",
+        type_name: "JSON",
+        value: "[{\"channel\":\"#slack-channel\",\"filter\":\"mute\",\"tags\":[\"#{tag.name}\",\"random-tag\"]}]"
+      )
+    end
+
+    it 'should discard invalid tags' do
+      described_class.new.execute_onceoff({})
+
+      rule = DiscourseChat::Rule.first
+
+      expect(rule.value['tags']).to eq([tag.name])
+    end
+  end
+
+  describe 'when a category filter is present' do
+    before do
+      PluginStoreRow.create!(
+        plugin_name: 'discourse-slack-official',
+        key: "category_#{category.id}",
+        type_name: "JSON",
+        value: "[{\"channel\":\"#slack-channel\",\"filter\":\"mute\"}]"
+      )
+    end
+
+    it 'should migrate the settings correctly' do
+      described_class.new.execute_onceoff({})
+
+      channel = DiscourseChat::Channel.first
+
+      expect(channel.value['provider']).to eq("slack")
+      expect(channel.value['data']['identifier']).to eq("#slack-channel")
+
+      rule = DiscourseChat::Rule.first
+
+      expect(rule.value['channel_id']).to eq(channel.id)
+      expect(rule.value['filter']).to eq('mute')
+      expect(rule.value['category_id']).to eq(category.id)
+    end
+  end
+
+  describe 'when a category has been deleted' do
+    before do
+      PluginStoreRow.create!(
+        plugin_name: 'discourse-slack-official',
+        key: 'category_9999',
+        type_name: "JSON",
+        value: "[{\"channel\":\"#slack-channel\",\"filter\":\"mute\"}]"
+      )
+    end
+
+    it 'should not migrate the settings' do
+      described_class.new.execute_onceoff({})
+
+      expect(DiscourseChat::Channel.count).to eq(0)
+      expect(DiscourseChat::Rule.count).to eq(0)
+    end
+  end
+end