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Convert test assertions to Shouldly
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Followup from dotnet#5665
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@paulomorgado
paulomorgado committed Aug 30, 2020
1 parent d58e2b7 commit 9729265
Showing 1 changed file with 45 additions and 48 deletions.
93 changes: 45 additions & 48 deletions src/Tasks.UnitTests/XmlPoke_Tests.cs
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Original file line number Diff line number Diff line change
@@ -1,39 +1,32 @@
// Copyright (c) Microsoft. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.

using Microsoft.Build.Framework;
using Microsoft.Build.Tasks;
using Microsoft.Build.UnitTests;
using Microsoft.Build.Utilities;
using Microsoft.Build.Shared;
using System;
using System.CodeDom.Compiler;
using System.Collections.Generic;
using System.Reflection;
using System.Reflection.Emit;
using System.IO;
using System.Linq;
using System.Text;
using System.Xml;
using Xunit;
using Microsoft.Build.Tasks;
using Microsoft.Build.Utilities;
using Shouldly;
using Xunit;

namespace Microsoft.Build.UnitTests
{
sealed public class XmlPoke_Tests
{
private const string XmlNamespaceUsedByTests = "http://nsurl";

private string _xmlFileWithNs = $@"<?xml version='1.0' encoding='utf-8'?>
private const string _xmlFileWithNs = @"<?xml version='1.0' encoding='utf-8'?>
<class AccessModifier='public' Name='test' xmlns:s='{XmlNamespaceUsedByTests}'>
<class AccessModifier='public' Name='test' xmlns:s='" + XmlNamespaceUsedByTests + @"'>
<s:variable Type='String' Name='a'></s:variable>
<s:variable Type='String' Name='b'></s:variable>
<s:variable Type='String' Name='c'></s:variable>
<method AccessModifier='public static' Name='GetVal' />
</class>";

private string _xmlFileNoNs = @"<?xml version='1.0' encoding='utf-8'?>
private const string _xmlFileNoNs = @"<?xml version='1.0' encoding='utf-8'?>
<class AccessModifier='public' Name='test'>
<variable Type='String' Name='a'></variable>
Expand All @@ -57,9 +50,11 @@ public void PokeWithNamespace()

List<XmlAttribute> nodes = xmlDocument.SelectNodes(query, ns)?.Cast<XmlAttribute>().ToList();

Assert.True(nodes?.Count == 3, $"There should be 3 <variable /> elements with a Name attribute {Environment.NewLine}{xmlDocument.OuterXml}");
nodes.ShouldNotBeNull($"There should be <variable /> elements with a Name attribute {Environment.NewLine}{xmlDocument.OuterXml}");

nodes.Count.ShouldBe(3, $"There should be 3 <variable /> elements with a Name attribute {Environment.NewLine}{xmlDocument.OuterXml}");

Assert.True(nodes?.All(i => i.Value.Equals("Mert")), $"All <variable /> elements should have Name=\"Mert\" {Environment.NewLine}{xmlDocument.OuterXml}");
nodes.All(i => i.Value.Equals("Mert")).ShouldBeTrue($"All <variable /> elements should have Name=\"Mert\" {Environment.NewLine}{xmlDocument.OuterXml}");
}

[Fact]
Expand All @@ -73,9 +68,11 @@ public void PokeNoNamespace()

List<XmlAttribute> nodes = xmlDocument.SelectNodes(query)?.Cast<XmlAttribute>().ToList();

Assert.True(nodes?.Count == 3, $"There should be 3 <variable /> elements with a Name attribute {Environment.NewLine}{xmlDocument.OuterXml}");
nodes.ShouldNotBeNull($"There should be <variable /> elements with a Name attribute {Environment.NewLine}{xmlDocument.OuterXml}");

Assert.True(nodes?.All(i => i.Value.Equals(value)), $"All <variable /> elements should have Name=\"{value}\" {Environment.NewLine}{xmlDocument.OuterXml}");
nodes.Count.ShouldBe(3, $"There should be 3 <variable /> elements with a Name attribute {Environment.NewLine}{xmlDocument.OuterXml}");

nodes.All(i => i.Value.Equals(value)).ShouldBeTrue($"All <variable /> elements should have Name=\"{value}\" {Environment.NewLine}{xmlDocument.OuterXml}");
}

[Fact]
Expand All @@ -88,9 +85,11 @@ public void PokeAttribute()

List<XmlAttribute> nodes = xmlDocument.SelectNodes(query)?.Cast<XmlAttribute>().ToList();

Assert.True(nodes?.Count == 1, $"There should be 1 <class /> element with an AccessModifier attribute {Environment.NewLine}{xmlDocument.OuterXml}");
nodes.ShouldNotBeNull($"There should be <class /> elements with an AccessModifier attribute {Environment.NewLine}{xmlDocument.OuterXml}");

nodes.Count.ShouldBe(1, $"There should be 1 <class /> element with an AccessModifier attribute {Environment.NewLine}{xmlDocument.OuterXml}");

Assert.Equal(value, nodes?.First().Value);
nodes[0].Value.ShouldBe(value);
}

[Fact]
Expand All @@ -103,13 +102,17 @@ public void PokeChildren()

List<XmlElement> nodes = xmlDocument.SelectNodes(query)?.Cast<XmlElement>().ToList();

Assert.True(nodes?.Count == 1, $"There should be 1 <class /> element {Environment.NewLine}{xmlDocument.OuterXml}");
nodes.ShouldNotBeNull($"There should be <class /> elements {Environment.NewLine}{xmlDocument.OuterXml}");

nodes.Count.ShouldBe(1, $"There should be 1 <class /> element {Environment.NewLine}{xmlDocument.OuterXml}");

var testNodes = nodes?.First().ChildNodes.Cast<XmlElement>().ToList();

Assert.True(testNodes?.Count == 1, $"There should be 1 <class /> element with one child Test element {Environment.NewLine}{xmlDocument.OuterXml}");
testNodes.ShouldNotBeNull($"There should be <class /> elements with one child Test element {Environment.NewLine}{xmlDocument.OuterXml}");

testNodes.Count.ShouldBe(1, $"There should be 1 <class /> element with one child Test element {Environment.NewLine}{xmlDocument.OuterXml}");

Assert.Equal("Testing", testNodes?.First().InnerText);
testNodes[0].InnerText.ShouldBe("Testing");
}

[Fact]
Expand All @@ -123,9 +126,11 @@ public void PokeAttributeWithCondition()

List<XmlAttribute> nodes = xmlDocument.SelectNodes(string.Format(queryTemplate, value))?.Cast<XmlAttribute>().ToList();

nodes?.Count.ShouldBe(1, $"There should be 1 <class /> element with an AccessModifier attribute {Environment.NewLine}{xmlDocument.OuterXml}");
nodes.ShouldNotBeNull($"There should be <class /> element with an AccessModifier attribute {Environment.NewLine}{xmlDocument.OuterXml}");

nodes.Count.ShouldBe(1, $"There should be 1 <class /> element with an AccessModifier attribute {Environment.NewLine}{xmlDocument.OuterXml}");

nodes?[0].Value.ShouldBe(value);
nodes[0].Value.ShouldBe(value);
}

[Fact]
Expand Down Expand Up @@ -155,23 +160,14 @@ public void PokeMissingParams()
p.Value = new TaskItem("Mert");
}

bool exceptionThrown = false;
try
{
p.Execute();
}
catch (ArgumentNullException)
{
exceptionThrown = true;
}

// "Expecting argumentnullexception for the first 7 tests"
if (i < 7)
{
Assert.True(exceptionThrown); // "Expecting argumentnullexception for the first 7 tests"
Should.Throw<ArgumentNullException>(() => p.Execute());
}
else
{
Assert.False(exceptionThrown); // "Expecting argumentnullexception for the first 7 tests"
Should.NotThrow(() => p.Execute());
}
}
}
Expand All @@ -188,12 +184,11 @@ public void ErrorInNamespaceDecl()
p.XmlInputPath = new TaskItem(xmlInputPath);
p.Query = "//s:variable/@Name";
p.Namespaces = "<!THIS IS ERROR Namespace Prefix=\"s\" Uri=\"http://nsurl\" />";
Assert.Equal("<!THIS IS ERROR Namespace Prefix=\"s\" Uri=\"http://nsurl\" />", p.Namespaces);
p.Namespaces.ShouldBe("<!THIS IS ERROR Namespace Prefix=\"s\" Uri=\"http://nsurl\" />");
p.Value = new TaskItem("Nur");

bool executeResult = p.Execute();
Assert.Contains("MSB3731", engine.Log);
Assert.False(executeResult); // "Execution should've failed"
p.Execute().ShouldBeFalse(); // "Execution should've failed"
engine.Log.ShouldContain("MSB3731");
}

[Fact]
Expand All @@ -209,8 +204,8 @@ public void PokeNoNSWPrefixedQueryError()
p.XmlInputPath = new TaskItem(xmlInputPath);
p.Query = "//s:variable/@Name";
p.Value = new TaskItem("Nur");
Assert.False(p.Execute()); // "Test should've failed"
Assert.True(engine.Log.Contains("MSB3732"), "Engine log should contain error code MSB3732 " + engine.Log);
p.Execute().ShouldBeFalse(); // "Test should've failed"
engine.Log.ShouldContain("MSB3732", "Engine log should contain error code MSB3732 " + engine.Log);
}

[Fact]
Expand Down Expand Up @@ -242,11 +237,11 @@ public void MissingNamespaceParameters()

if (i == 3)
{
Assert.True(result); // "Only 3rd value should pass."
result.ShouldBeTrue(); // "Only 3rd value should pass."
}
else
{
Assert.False(result); // "Only 3rd value should pass."
result.ShouldBeFalse(); // "Only 3rd value should pass."
}
}
}
Expand All @@ -262,11 +257,13 @@ public void PokeElement()

List<XmlElement> nodes = xmlDocument.SelectNodes(query)?.Cast<XmlElement>().ToList();

Assert.True(nodes?.Count == 3, $"There should be 3 <variable/> elements {Environment.NewLine}{xmlDocument.OuterXml}");
nodes.ShouldNotBeNull($"There should be <variable/> elements {Environment.NewLine}{xmlDocument.OuterXml}");

nodes.Count.ShouldBe(3, $"There should be 3 <variable/> elements {Environment.NewLine}{xmlDocument.OuterXml}");

foreach (var node in nodes)
{
Assert.Equal(value, node.InnerXml);
node.InnerXml.ShouldBe(value);
}
}

Expand All @@ -287,7 +284,7 @@ public void PokeWithoutUsingTask()
logger.AssertLogDoesntContain("MSB4036");
}

private void Prepare(string xmlFile, out string xmlInputPath)
private static void Prepare(string xmlFile, out string xmlInputPath)
{
string dir = Path.Combine(Path.GetTempPath(), DateTime.Now.Ticks.ToString());
Directory.CreateDirectory(dir);
Expand All @@ -302,7 +299,7 @@ private void Prepare(string xmlFile, out string xmlInputPath)
/// <param name="useNamespace"><code>true</code> to use namespaces, otherwise <code>false</code> (Default).</param>
/// <param name="value">The value to use.</param>
/// <returns>An <see cref="XmlDocument"/> containing the resulting XML after the XmlPoke task has executed.</returns>
private XmlDocument ExecuteXmlPoke(string query, bool useNamespace = false, string value = null)
private static XmlDocument ExecuteXmlPoke(string query, bool useNamespace = false, string value = null)
{
MockEngine engine = new MockEngine(true);

Expand Down

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