tsai
/
ImageSharp
mirror of https://github.com/SixLabors/ImageSharp
1
0
Fork 0
Code Issues Projects Releases Wiki Activity
Browse Source

Better configuration tests

pull/68/head
James Jackson-South 9 years ago
parent
48a75c7036
commit
f9456c1797
1 changed files with 211 additions and 74 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 285
      tests/ImageSharp.Tests/ConfigurationTests.cs

285
tests/ImageSharp.Tests/ConfigurationTests.cs
View File

@ -7,145 +7,282 @@ namespace ImageSharp.Tests
{
using System;
using System.Collections.Generic;
using System.Linq;
using ImageSharp.Formats;
using Xunit;
using System.Linq;
/// <summary>
/// Tests the configuration class.
/// </summary>
public class ConfigurationTests
{
private class TestFormat : IImageFormat
/// <summary>
/// Test that the default configuration is not null.
/// </summary>
[Fact]
public void TestDefultConfigurationIsNotNull()
{
private IImageDecoder decoder;
private IImageEncoder encoder;
private string mimeType;
private string extension;
private IEnumerable<string> supportedExtensions;
public TestFormat()
{
this.decoder = new JpegDecoder();
this.encoder = new JpegEncoder();
this.extension = "jpg";
this.mimeType = "image/test";
this.supportedExtensions = new string[] { "jpg" };
}
public IImageDecoder Decoder { get { return this.decoder; } set { this.decoder = value; } }
Assert.True(Configuration.Default != null);
}
public IImageEncoder Encoder { get { return this.encoder; } set { this.encoder = value; } }
/// <summary>
/// Test that the default configuration parallel options is not null.
/// </summary>
[Fact]
public void TestDefultConfigurationParallelOptionsIsNotNull()
{
Assert.True(Configuration.Default.ParallelOptions != null);
}
public string MimeType { get { return this.mimeType; } set { this.mimeType = value; } }
/// <summary>
/// Test that the default configuration parallel options max degrees of parallelism matches the
/// environment processor count.
/// </summary>
[Fact]
public void TestDefultConfigurationMaxDegreeOfParallelism()
{
Assert.True(Configuration.Default.ParallelOptions.MaxDegreeOfParallelism == Environment.ProcessorCount);
}
public string Extension { get { return this.extension; } set { this.extension = value; } }
/// <summary>
/// Test that the default configuration parallel options is not null.
/// </summary>
[Fact]
public void TestDefultConfigurationImageFormatsIsNotNull()
{
Assert.True(Configuration.Default.ImageFormats != null);
}
public IEnumerable<string> SupportedExtensions { get { return this.supportedExtensions; } set { this.supportedExtensions = value; } }
/// <summary>
/// Tests the <see cref="M:Configuration.AddImageFormat"/> method throws an exception
/// when the format is null.
/// </summary>
[Fact]
public void TestAddImageFormatThrowsWithNullFormat()
{
Assert.Throws<ArgumentNullException>(() =>
{
Configuration.Default.AddImageFormat(null);
});
}
public int HeaderSize { get { throw new NotImplementedException(); } }
/// <summary>
/// Tests the <see cref="M:Configuration.AddImageFormat"/> method throws an exception
/// when the encoder is null.
/// </summary>
[Fact]
public void TestAddImageFormatThrowsWithNullEncoder()
{
TestFormat format = new TestFormat { Encoder = null };
public bool IsSupportedFileFormat(byte[] header) { throw new NotImplementedException(); }
Assert.Throws<ArgumentNullException>(() =>
{
Configuration.Default.AddImageFormat(format);
});
}
/// <summary>
/// Tests the <see cref="M:Configuration.AddImageFormat"/> method throws an exception
/// when the decoder is null.
/// </summary>
[Fact]
public void AddImageFormatGuardNull()
public void TestAddImageFormatThrowsWithNullDecoder()
{
ArgumentException exception;
TestFormat format = new TestFormat { Decoder = null };
exception = Assert.Throws<ArgumentNullException>(() =>
Assert.Throws<ArgumentNullException>(() =>
{
Configuration.Default.AddImageFormat(null);
Configuration.Default.AddImageFormat(format);
});
}
var format = new TestFormat();
format.Decoder = null;
/// <summary>
/// Tests the <see cref="M:Configuration.AddImageFormat"/> method throws an exception
/// when the mime type is null or an empty string.
/// </summary>
[Fact]
public void TestAddImageFormatThrowsWithNullOrEmptyMimeType()
{
TestFormat format = new TestFormat { MimeType = null };
exception = Assert.Throws<ArgumentNullException>(() =>
Assert.Throws<ArgumentNullException>(() =>
{
Configuration.Default.AddImageFormat(format);
});
Assert.Contains("decoder", exception.Message);
format = new TestFormat();
format.Encoder = null;
format = new TestFormat { MimeType = string.Empty };
exception = Assert.Throws<ArgumentNullException>(() =>
Assert.Throws<ArgumentException>(() =>
{
Configuration.Default.AddImageFormat(format);
});
Assert.Contains("encoder", exception.Message);
}
format = new TestFormat();
format.MimeType = null;
/// <summary>
/// Tests the <see cref="M:Configuration.AddImageFormat"/> method throws an exception
/// when the extension is null or an empty string.
/// </summary>
[Fact]
public void TestAddImageFormatThrowsWithNullOrEmptyExtension()
{
TestFormat format = new TestFormat { Extension = null };
exception = Assert.Throws<ArgumentNullException>(() =>
Assert.Throws<ArgumentNullException>(() =>
{
Configuration.Default.AddImageFormat(format);
});
Assert.Contains("mime type", exception.Message);
format = new TestFormat();
format.MimeType = "";
format = new TestFormat { Extension = string.Empty };
exception = Assert.Throws<ArgumentException>(() =>
Assert.Throws<ArgumentException>(() =>
{
Configuration.Default.AddImageFormat(format);
});
Assert.Contains("mime type", exception.Message);
}
format = new TestFormat();
format.Extension = null;
/// <summary>
/// Tests the <see cref="M:Configuration.AddImageFormat"/> method throws an exception
/// when the supported extensions list is null or empty.
/// </summary>
[Fact]
public void TestAddImageFormatThrowsWenSupportedExtensionsIsNullOrEmpty()
{
TestFormat format = new TestFormat { SupportedExtensions = null };
exception = Assert.Throws<ArgumentNullException>(() =>
Assert.Throws<ArgumentNullException>(() =>
{
Configuration.Default.AddImageFormat(format);
});
Assert.Contains("extension", exception.Message);
format = new TestFormat();
format.Extension = "";
format = new TestFormat { SupportedExtensions = Enumerable.Empty<string>() };
exception = Assert.Throws<ArgumentException>(() =>
Assert.Throws<ArgumentException>(() =>
{
Configuration.Default.AddImageFormat(format);
});
Assert.Contains("extension", exception.Message);
}
format = new TestFormat();
format.SupportedExtensions = null;
/// <summary>
/// Tests the <see cref="M:Configuration.AddImageFormat"/> method throws an exception
/// when the supported extensions list does not contain the default extension.
/// </summary>
[Fact]
public void TestAddImageFormatThrowsWithoutDefaultExtension()
{
TestFormat format = new TestFormat { Extension = "test" };
exception = Assert.Throws<ArgumentNullException>(() =>
Assert.Throws<ArgumentException>(() =>
{
Configuration.Default.AddImageFormat(format);
});
Assert.Contains("supported extensions", exception.Message);
}
format = new TestFormat();
format.SupportedExtensions = Enumerable.Empty<string>();
/// <summary>
/// Tests the <see cref="M:Configuration.AddImageFormat"/> method throws an exception
/// when the supported extensions list contains an empty string.
/// </summary>
[Fact]
public void TestAddImageFormatThrowsWithEmptySupportedExtension()
{
TestFormat format = new TestFormat
{
Extension = "test",
SupportedExtensions = new[] { "test", string.Empty }
};
exception = Assert.Throws<ArgumentException>(() =>
Assert.Throws<ArgumentException>(() =>
{
Configuration.Default.AddImageFormat(format);
});
Assert.Contains("supported extensions", exception.Message);
}
/// <summary>
/// Test that the <see cref="M:Configuration.AddImageFormat"/> method ignores adding duplicate image formats.
/// </summary>
[Fact]
public void TestConfigurationIgnoresDuplicateImageFormats()
{
Configuration.Default.AddImageFormat(new PngFormat());
Configuration.Default.AddImageFormat(new PngFormat());
Assert.True(Configuration.Default.ImageFormats.Count(i => i.GetType() == typeof(PngFormat)) == 1);
}
/// <summary>
/// Test that the default image constructors use default configuration.
/// </summary>
[Fact]
public void AddImageFormatChecks()
public void TestImageUsesDefaultConfiguration()
{
TestFormat format = new TestFormat();
Configuration.Default.AddImageFormat(new PngFormat());
Image image = new Image(1, 1);
Assert.Equal(image.Configuration.ParallelOptions, Configuration.Default.ParallelOptions);
Assert.Equal(image.Configuration.ImageFormats, Configuration.Default.ImageFormats);
}
format.Extension = "test";
var exception = Assert.Throws<ArgumentException>(() =>
{
Configuration.Default.AddImageFormat(format);
});
Assert.Contains("should contain", exception.Message);
/// <summary>
/// Test that the default image constructor copies the configuration.
/// </summary>
[Fact]
public void TestImageCopiesConfiguration()
{
Configuration.Default.AddImageFormat(new PngFormat());
format.SupportedExtensions = new string[] { "test", "" };
exception = Assert.Throws<ArgumentException>(() =>
Image image = new Image(1, 1);
Image image2 = new Image(image);
Assert.Equal(image2.Configuration.ParallelOptions, image.Configuration.ParallelOptions);
Assert.True(image2.Configuration.ImageFormats.SequenceEqual(image.Configuration.ImageFormats));
}
/// <summary>
/// A test image format for testing the configuration.
/// </summary>
private class TestFormat : IImageFormat
{
/// <summary>
/// Initializes a new instance of the <see cref="TestFormat"/> class.
/// </summary>
public TestFormat()
{
Configuration.Default.AddImageFormat(format);
});
Assert.Contains("empty values", exception.Message);
this.Decoder = new JpegDecoder();
this.Encoder = new JpegEncoder();
this.Extension = "jpg";
this.MimeType = "image/test";
this.SupportedExtensions = new[] { "jpg" };
}
/// <inheritdoc />
public IImageDecoder Decoder { get; set; }
/// <inheritdoc />
public IImageEncoder Encoder { get; set; }
/// <inheritdoc />
public string MimeType { get; set; }
/// <inheritdoc />
public string Extension { get; set; }
/// <inheritdoc />
public IEnumerable<string> SupportedExtensions { get; set; }
/// <inheritdoc />
public int HeaderSize
{
get
{
throw new NotImplementedException();
}
}
/// <inheritdoc />
public bool IsSupportedFileFormat(byte[] header)
{
throw new NotImplementedException();
}
}
}
}
}
Write Preview
Loading…
Cancel
Save