Add spec

Author: ifyouseewendy

spec/import_result_spec.rb

@@ -0,0 +1,32 @@
+require 'spec_helper'
+
+describe ActiveAdminImport::ImportResult do
+  context "failed_message" do
+    let(:import_result) { ActiveAdminImport::ImportResult.new }
+
+    before do
+      Author.create(name: 'John', last_name: 'Doe')
+      Author.create(name: 'Jane', last_name: 'Roe')
+
+      @result = double \
+        failed_instances: [
+          Author.create(name: 'Jim', last_name: "Doe"), # {:last_name=>["has already been taken"]}
+          Author.create(name: nil,   last_name: 'Doe')  # {:name=>["can't be blank"], :last_name=>["has already been taken"]}
+        ]
+    end
+
+    it "should work without any failed instances" do
+      expect(import_result.failed_message).to eq("")
+    end
+
+    it "should work" do
+      import_result.add(@result, 4)
+      expect(import_result.failed_message).to eq("Last name has already been taken - Doe ; Name can't be blank - , Last name has already been taken - Doe")
+    end
+
+    it "should work on limit param" do
+      import_result.add(@result, 4)
+      expect(import_result.failed_message(limit: 1)).to eq("Last name has already been taken - Doe")
+    end
+  end
+end

spec/support/rails_template.rb

@@ -4,7 +4,7 @@
 generate :model, 'post title:string:uniq body:text author:references'
 
 #Add validation
-inject_into_file "app/models/author.rb", "  validates_presence_of :name\n", after: "Base\n"
+inject_into_file "app/models/author.rb", "  validates_presence_of :name\n  validates_uniqueness_of :last_name\n", after: "Base\n"
 inject_into_file "app/models/post.rb", "   validates_presence_of :author\n", after: ":author\n"
 
 # Configure default_url_options in test environment