Avoid dropping missing temporary tables

lib/with_model/table.rb

@@ -38,7 +38,7 @@ def teardown(_klass)
     end
 
     def destroy
-      connection.drop_table(@name)
+      connection.drop_table(@name) if exists?
     end
 
     private

spec/table_spec.rb

@@ -0,0 +1,37 @@
+# frozen_string_literal: true
+
+require "spec_helper"
+
+RSpec.describe WithModel::Table do
+  let(:connection_owner) do
+    klass = Class.new(ActiveRecord::Base)
+    stub_const("TableSpecConnection", klass)
+    klass.abstract_class = true
+    klass.establish_connection(adapter: "sqlite3", database: ":memory:")
+    klass
+  end
+  let(:connection) { connection_owner.connection }
+  let(:table) { described_class.new(:temporary_records, connection:) }
+
+  after { connection_owner.connection_pool.disconnect! }
+
+  describe "#destroy" do
+    it "does not raise after its connection reconnects before teardown" do
+      table.create
+
+      connection.disconnect!
+      connection.reconnect!
+
+      expect(connection.data_source_exists?(:temporary_records)).to be false
+      expect { table.destroy }.not_to raise_error
+    end
+
+    it "drops an existing table" do
+      table.create
+
+      table.destroy
+
+      expect(connection.data_source_exists?(:temporary_records)).to be false
+    end
+  end
+end