添加blog_info model的测试及相关数据

test/fixtures/blog_info.yml

@@ -0,0 +1,4 @@
+blog_info:
+    id: 1
+    name: 'blog1'
+    email: '1234567@qq.com'

test/models/blog_model_test.rb

@@ -0,0 +1,35 @@
+require 'test_helper'
+
+class BlogInfoTest < ActiveSupport::TestCase
+    fixtures :blog_info 
+
+    setup do
+        @blog = BlogInfo.find(1)
+        @newblog = BlogInfo.new
+    end
+
+    test "test_blog_create" do
+        @newblog.name = 'newblog'
+        @newblog.email = '12345678@qq.com'
+        assert @newblog.save
+    end
+
+    test "test_blog_read" do
+        assert_instance_of BlogInfo, @blog 
+        assert_equal 1, @blog.id, "test BlogInfo.id"
+        assert_equal "blog1", @blog.name, "test BlogInfo.name"
+        assert_equal "1234567@qq.com", @blog.email, "test BlogInfo.email"
+    end
+
+    test "test_blog_update" do
+        @blog.name = 'updatename'
+        assert @blog.save, @blog.errors.full_messages.join("; ")
+        @blog.reload
+        assert 'updatename', @blog.name
+    end
+
+    test "test_blog_delete" do
+        @blog.destroy
+        assert_raise(ActiveRecord::RecordNotFound) { BlogInfo.find(@blog.id) }
+    end
+end