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Tingluo Huang
2019-10-10 00:52:42 -04:00
commit c8afc84840
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src/Test/L0/Util/StringUtilL0.cs Normal file
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using GitHub.Runner.Common.Util;
using GitHub.Runner.Sdk;
using System.Globalization;
using Xunit;
namespace GitHub.Runner.Common.Tests.Util
{
public class StringUtilL0
{
[Fact]
[Trait("Level", "L0")]
[Trait("Category", "Common")]
public void FormatAlwaysCallsFormat()
{
using (TestHostContext hc = new TestHostContext(this))
{
Tracing trace = hc.GetTrace();
// Arrange.
var variableSets = new[]
{
new { Format = null as string, Args = null as object[], Expected = string.Empty },
new { Format = null as string, Args = new object[0], Expected = string.Empty },
new { Format = null as string, Args = new object[] { 123 }, Expected = string.Empty },
new { Format = "Some message", Args = null as object[], Expected = "Some message" },
new { Format = "Some message", Args = new object[0], Expected = "Some message" },
new { Format = "Some message", Args = new object[] { 123 }, Expected = "Some message" },
new { Format = "Some format '{0}'", Args = null as object[], Expected = "Some format ''" },
new { Format = "Some format '{0}'", Args = new object[0], Expected = "Some format ''" },
new { Format = "Some format '{0}'", Args = new object[] { 123 }, Expected = "Some format '123'" },
};
foreach (var variableSet in variableSets)
{
trace.Info($"{nameof(variableSet)}:");
trace.Info(variableSet);
// Act.
string actual = StringUtil.Format(variableSet.Format, variableSet.Args);
// Assert.
Assert.Equal(variableSet.Expected, actual);
}
}
}
[Fact]
[Trait("Level", "L0")]
[Trait("Category", "Common")]
public void FormatHandlesFormatException()
{
using (TestHostContext hc = new TestHostContext(this))
{
Tracing trace = hc.GetTrace();
// Arrange.
var variableSets = new[]
{
new { Format = "Bad format { 0}", Args = null as object[], Expected = "Bad format { 0}" },
new { Format = "Bad format { 0}", Args = new object[0], Expected = "Bad format { 0} " },
new { Format = "Bad format { 0}", Args = new object[] { null }, Expected = "Bad format { 0} " },
new { Format = "Bad format { 0}", Args = new object[] { 123, 456 }, Expected = "Bad format { 0} 123, 456" },
};
foreach (var variableSet in variableSets)
{
trace.Info($"{nameof(variableSet)}:");
trace.Info(variableSet);
// Act.
string actual = StringUtil.Format(variableSet.Format, variableSet.Args);
// Assert.
Assert.Equal(variableSet.Expected, actual);
}
}
}
[Fact]
[Trait("Level", "L0")]
[Trait("Category", "Common")]
public void FormatUsesInvariantCulture()
{
using (TestHostContext hc = new TestHostContext(this))
{
// Arrange.
CultureInfo originalCulture = CultureInfo.CurrentCulture;
try
{
CultureInfo.CurrentCulture = new CultureInfo("it-IT");
// Act.
string actual = StringUtil.Format("{0:N2}", 123456.789);
// Actual
Assert.Equal("123,456.79", actual);
}
finally
{
CultureInfo.CurrentCulture = originalCulture;
}
}
}
[Fact]
[Trait("Level", "L0")]
[Trait("Category", "Common")]
public void ConvertNullOrEmptryStringToBool()
{
using (TestHostContext hc = new TestHostContext(this))
{
// Arrange.
string nullString = null;
string emptyString = string.Empty;
// Act.
bool result1 = StringUtil.ConvertToBoolean(nullString);
bool result2 = StringUtil.ConvertToBoolean(emptyString);
// Actual
Assert.False(result1, "Null String should convert to false.");
Assert.False(result2, "Empty String should convert to false.");
}
}
[Fact]
[Trait("Level", "L0")]
[Trait("Category", "Common")]
public void ConvertNullOrEmptryStringToDefaultBool()
{
using (TestHostContext hc = new TestHostContext(this))
{
// Arrange.
string nullString = null;
string emptyString = string.Empty;
// Act.
bool result1 = StringUtil.ConvertToBoolean(nullString, true);
bool result2 = StringUtil.ConvertToBoolean(emptyString, true);
// Actual
Assert.True(result1, "Null String should convert to true since default value is set to true.");
Assert.True(result2, "Empty String should convert to true since default value is set to true.");
}
}
[Fact]
[Trait("Level", "L0")]
[Trait("Category", "Common")]
public void ConvertStringToBool()
{
using (TestHostContext hc = new TestHostContext(this))
{
// Arrange.
string trueString1 = "1";
string trueString2 = "True";
string trueString3 = "$TRUE";
string falseString1 = "0";
string falseString2 = "false";
string falseString3 = "$False";
string undefineString1 = "-1";
string undefineString2 = "sometext";
string undefineString3 = "2015-03-21";
// Act.
bool result1 = StringUtil.ConvertToBoolean(trueString1, false);
bool result2 = StringUtil.ConvertToBoolean(trueString2);
bool result3 = StringUtil.ConvertToBoolean(trueString3, true);
bool result4 = StringUtil.ConvertToBoolean(falseString1, true);
bool result5 = StringUtil.ConvertToBoolean(falseString2);
bool result6 = StringUtil.ConvertToBoolean(falseString3, false);
bool result7 = StringUtil.ConvertToBoolean(undefineString1, true);
bool result8 = StringUtil.ConvertToBoolean(undefineString2);
bool result9 = StringUtil.ConvertToBoolean(undefineString3, false);
// Actual
Assert.True(result1, $"'{trueString1}' should convert to true.");
Assert.True(result2, $"'{trueString2}' should convert to true.");
Assert.True(result3, $"'{trueString3}' should convert to true.");
Assert.False(result4, $"'{falseString1}' should convert to false.");
Assert.False(result5, $"'{falseString2}' should convert to false.");
Assert.False(result6, $"'{falseString3}' should convert to false.");
Assert.True(result7, $"'{undefineString1}' should convert to true, since default is true.");
Assert.False(result8, $"'{undefineString2}' should convert to false.");
Assert.False(result9, $"'{undefineString3}' should convert to false.");
}
}
}
}