Question

我有一个方法WriteXml。

public void WriteXml(XmlWriter writer)
        {
            if (this.value == null)
            {
                writer.WriteValue(this.value?.ToString() ?? string.Empty);
                return;
            }
            var type = this.value.GetType();

            var memInfo = type.GetMember(this.value.ToString());

            if (memInfo.Length > 0)
            {
                var attrs = memInfo[0].GetCustomAttributes<XmlEnumAttribute>();

                if (attrs != null && attrs.IsNotEmpty())
                {
                    writer.WriteValue(attrs);

                    return;
                }
            }
            writer.WriteValue(this.value.ToString());
        }

当我使用单元测试进行测试时。即，

[Theory]
        [InlineData(null, "")]
        [InlineData(exposureSValue.NA, "N/A")]
        [InlineData(exposureSValue.Last15Days, "Last 15 Days")]
        public void WriteXmlTest([CanBeNull] exposureSValue? policyCustomEnumValue, [CanBeNull] string writtenValue)
        {
            // Arrange
            var mockXmlWriter = this.Mock.Create<XmlWriter>(Moq.MockBehavior.Loose);
            mockXmlWriter.Setup(x => x.WriteValue(writtenValue));

            var policyCustomerEnum = new PolicyCustomEnum<exposureSValue>(policyCustomEnumValue);

            // Act and Assert
            policyCustomerEnum.WriteXml(mockXmlWriter.Object);
        }

当我运行此单元测试时，我收到错误消息

The following setups were not matched:
XmlWriter x=>x.WriteValue("N/A");

请帮我解决这个问题。我也尝试将测试方法中的参数更改为exposureSValue类型，但它仍然是相同的。

“过去15天”我也收到错误。

如何摆脱该错误消息？

Answer 1

实际问题在于writer.WriteValue(attrs);

它没有在attrs中写入值。

我用这种方式编写，测试用例中没有错误。

public void WriteXml(XmlWriter writer)
        {
            if (this.value == null)
            {
                writer.WriteValue(this.value?.ToString() ?? string.Empty);
                return;
            }
            var type = this.value.GetType();
            var memberInfo = type.GetMember(this.value.ToString());

            if (memberInfo.Length > 0)
            {
                var attribute = memberInfo[0].GetCustomAttributes<XmlEnumAttribute>();

                if (attribute != null && attribute.IsNotEmpty())
                {
                    var xmlEnumAttribute = attribute.FirstOrDefault();
                    if (xmlEnumAttribute != null)
                    {
                        writer.WriteValue(xmlEnumAttribute.Name);
                        return;
                    }
                }
            }
            writer.WriteValue(this.value.ToString());
        }

...谢谢！

如何测试Xml Writer并获得正确的输出？

1 个答案: