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using System;
using System.Linq;
using Mono.Cecil;
using Mono.Documentation.Updater;
using NUnit.Framework;
namespace mdoc.Test
{
public abstract class BasicFormatterTests<T> where T : MemberFormatter
{
protected abstract T formatter { get; }
protected MethodDefinition GetMethod(Type type, Func<MethodDefinition, bool> query)
{
return GetMethod(GetType(type), query);
}
protected MethodDefinition GetMethod(TypeDefinition testclass, Func<MethodDefinition, bool> query)
{
var methods = testclass.Methods;
var member = methods.FirstOrDefault(query).Resolve();
if (member == null)
throw new Exception("Did not find the member in the test class");
return member;
}
protected MethodDefinition GetProperty(TypeDefinition testclass, Func<MethodDefinition, bool> query)
{
var methods = testclass.Methods;
var member = methods.FirstOrDefault(query).Resolve();
if (member == null)
throw new Exception("Did not find the member in the test class");
return member;
}
protected TypeDefinition GetType(string filepath, string classname)
{
var module = ModuleDefinition.ReadModule(filepath);
var types = module.GetTypes();
var testclass = types
.SingleOrDefault(t => t.FullName == classname);
if (testclass == null)
{
throw new Exception($"Test was unable to find type {classname}");
}
return testclass.Resolve();
}
protected virtual TypeDefinition GetType(Type type)
{
var moduleName = type.Module.FullyQualifiedName;
return GetType(moduleName, type.FullName);
}
protected MemberReference GetProperty(TypeDefinition type, string memberName)
{
var property = type.Properties.SingleOrDefault(i => i.Name == memberName);
if (property == null)
throw new Exception($"Can't find property {memberName}");
return property;
}
protected MemberReference GetField(TypeDefinition type, string eventName)
{
var property = type.Fields.SingleOrDefault(i => i.Name == eventName);
if (property == null)
throw new Exception($"Can't find field {eventName}");
return property;
}
protected MemberReference GetEvent(TypeDefinition type, string eventName)
{
var property = type.Events.SingleOrDefault(i => i.Name == eventName);
if (property == null)
throw new Exception($"Can't find field {eventName}");
return property;
}
protected void TestTypeSignature(Type type, string expected)
{
expected = FormatEndings(expected);
var signature = GetTypeSignature(type);
Assert.AreEqual(expected, signature);
}
private string GetTypeSignature(Type type)
{
var tref = GetType(type);
var signature = formatter.GetDeclaration(tref);
return signature;
}
protected void TestMethodSignature(Type type, string expected, string memberName)
{
var signature = GetMethodSignature(type, memberName);
Assert.AreEqual(FormatEndings(expected), signature);
}
private string GetMethodSignature(Type type, string memberName)
{
var tref = GetType(type);
var method = GetMethod(tref, i => i.Name == memberName);
var signature = formatter.GetDeclaration(method);
return signature;
}
protected void TestPropertySignature(Type type, string expected, string memberName)
{
var signature = GetPropertySignature(type, memberName);
Assert.AreEqual(FormatEndings(expected), signature);
}
private string GetPropertySignature(Type type, string memberName)
{
var tref = GetType(type);
return formatter.GetDeclaration(GetProperty(tref, memberName));
}
protected void TestEventSignature(Type type, string expected, string memberName)
{
var signature = GetEventSignature(type, memberName);
Assert.AreEqual(expected, signature);
}
private string GetEventSignature(Type type, string memberName)
{
var tref = GetType(type);
return formatter.GetDeclaration(GetEvent(tref, memberName));
}
protected void TestFieldSignature(Type type, string expected, string memberName)
{
var usage = GetFieldUsage(type, memberName);
Assert.AreEqual(FormatEndings(expected), usage);
}
private string GetFieldUsage(Type type, string memberName)
{
var tref = GetType(type);
var field = GetField(tref, memberName);
var signature = formatter.GetDeclaration(field);
return signature;
}
protected static string FormatEndings(string s)
{
return s?.Replace("\r\n", MemberFormatter.GetLineEnding());
}
}
}
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