Add spec for Aqi::Forecast

spec/weather-model_spec.rb

@@ -61,6 +61,27 @@ RSpec.describe WeatherModel do
     expect(Forecast::CityForecast::Ohm.all.count).to eq(0), 'TTL过期对象删除成功'
   end
 
+  it 'aqi_forecast' do
+    @aqi_forecast = Aqi::Forecast.create(
+      datetime: Time.now,
+      prompt: '',
+      list: [
+        {
+          "period"=>"今天夜间（20时—06时）",
+          "aqi"=>"35-55",
+          "level"=>"优到良",
+          "pripoll"=>"PM10"
+        }, {
+          "period"=>"明天上午（06时—12时）",
+          "aqi"=>"35-55",
+          "level"=>"优到良",
+          "pripoll"=>"PM10"
+        },
+      ]
+    )
+    expect(Aqi::Forecast::Ohm.all.first).not_to be_nil, 'json_column 正常'
+  end
+
   after do
     ActiveRecord::Migration[5.0].subclasses.each do |migrate|
       migrate.migrate(:down)