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StringBuilderExtensionsTests.cs
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StringBuilderExtensionsTests.cs
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using System;
using System.Collections.Generic;
using System.Text;
using SwqlStudio.Metadata;
using Xunit;
namespace SwqlStudio.Tests
{
public class StringBuilderExtensionsTests
{
[Fact]
public void AllMethodsThrowExceptionOnNullBuilder()
{
StringBuilder stringBuilder = null;
var methods = new List<Action>
{
() => stringBuilder.AppendName(string.Empty),
() => stringBuilder.AppendType(string.Empty),
() => stringBuilder.AppendObsoleteSection(null),
() => stringBuilder.AppendSummary(string.Empty),
() => stringBuilder.AppendSummaryParagraph(string.Empty),
() => stringBuilder.AppendAccessControl(null, null),
};
foreach (Action method in methods)
{
Assert.Throws<ArgumentNullException>(() =>
{
method();
});
}
}
[Theory]
[MemberData(nameof(AppendSummaryTrimsInputTestCases))]
public void AppendSummaryTests(string input, string expected)
{
TestAppendMethod(input, expected, (s, stringB) => stringB.AppendSummary(s));
}
public static IEnumerable<object[]> AppendSummaryTrimsInputTestCases = new List<object[]>
{
new object[]{ "a", "a"},
new object[]{ "a ", "a"},
new object[]{ " a", "a"},
new object[]{ null, ""},
new object[]{ string.Empty, ""},
new object[]{ " a", "a"},
new object[]{ "a {0} ", "a {0}"}
};
[Theory]
[MemberData(nameof(AppendSummaryParagraphTestCases))]
public void AppendSummaryParagraphTests(string input, string expected)
{
TestAppendMethod(input, expected, (s, stringB) => stringB.AppendSummaryParagraph(s));
}
public static IEnumerable<object[]> AppendSummaryParagraphTestCases = new List<object[]>
{
new object[]{ "a ", $"{Environment.NewLine}{Environment.NewLine}a"},
new object[]{ " ", $"{Environment.NewLine}{Environment.NewLine}"}
};
[Theory]
[MemberData(nameof(AppendNameTestCases))]
public void AppendNameTests(string input, string expected)
{
TestAppendMethod(input, expected, (s, stringB) => stringB.AppendName(s));
}
public static IEnumerable<object[]> AppendNameTestCases = new List<object[]>
{
new object[]{ "a", $"Name: a{Environment.NewLine}"},
new object[]{ string.Empty, $"Name: {Environment.NewLine}"},
};
[Theory]
[MemberData(nameof(AppendTypeTestCases))]
public void AppendTypeTests(string input, string expected)
{
TestAppendMethod(input, expected, (s, stringB) => stringB.AppendType(s));
}
public static IEnumerable<object[]> AppendTypeTestCases = new List<object[]>
{
new object[]{ "a", $"Type: a{Environment.NewLine}"},
new object[]{ string.Empty, $"Type: {Environment.NewLine}"},
};
[Theory]
[MemberData(nameof(AppendObsoleteSectionTestCases))]
public void AppendObsoleteSectionTests(string input, string expected, bool isObsolete)
{
IObsoleteMetadata entity = new Entity { IsObsolete = isObsolete, ObsolescenceReason = input };
TestAppendMethod(input, expected, (s, stringB) => stringB.AppendObsoleteSection(entity));
}
public static IEnumerable<object[]> AppendObsoleteSectionTestCases = new List<object[]>
{
new object[]{ "a", $"Obsolete: a{Environment.NewLine}", true},
new object[]{ string.Empty, $"Obsolete: {Environment.NewLine}", true},
new object[]{ string.Empty, string.Empty, false},
};
[Fact]
public void AppendAccessControlTests_IsIndication()
{
var stringBuilder = new StringBuilder();
var connectionInfo = new ConnectionInfo("localhost", "admin", "pass", "orion");
var entity = new Entity { IsIndication = true };
stringBuilder.AppendAccessControl(connectionInfo, entity);
var result = stringBuilder.ToString();
Assert.Equal("Can Subscribe: False", result);
}
[Fact]
public void AppendAccessControlTests_NotIndication()
{
var stringBuilder = new StringBuilder();
var connectionInfo = new ConnectionInfo("localhost", "admin", "pass", "orion");
var entity = new Entity { IsIndication = false };
stringBuilder.AppendAccessControl(connectionInfo, entity);
var result = stringBuilder.ToString();
Assert.Equal(
$"Can Read: False{Environment.NewLine}" +
$"Can Create: False{Environment.NewLine}" +
$"Can Update: False{Environment.NewLine}" +
$"Can Delete: False{Environment.NewLine}",
result);
}
private static void TestAppendMethod(string input, string expected, Action<string, StringBuilder> funcToTest)
{
var stringBuilder = new StringBuilder();
funcToTest(input, stringBuilder);
var result = stringBuilder.ToString();
Assert.Equal(expected, result);
}
}
}