public void GenerateKey_WithMultipleVaryByOptions_CreatesCombinedKey()
{
// Arrange
var expected = GetHashedBytes("CacheTagHelper||testid||VaryBy||custom-value||" +
"VaryByHeader(content-type||text/html)||VaryByUser||someuser");
var tagHelperContext = GetTagHelperContext();
var cacheTagHelper = new CacheTagHelper(Mock.Of <IMemoryCache>())
{
ViewContext = GetViewContext(),
VaryByUser = true,
VaryByHeader = "content-type",
VaryBy = "custom-value"
};
cacheTagHelper.ViewContext.HttpContext.Request.Headers["Content-Type"] = "text/html";
var identity = new ClaimsIdentity(new[] { new Claim(ClaimsIdentity.DefaultNameClaimType, "someuser") });
cacheTagHelper.ViewContext.HttpContext.User = new ClaimsPrincipal(identity);
// Act
var key = cacheTagHelper.GenerateKey(tagHelperContext);
// Assert
Assert.Equal(expected, key);
}
public async Task ProcessAsync_FlowsEntryLinkThatAllowsAddingTriggersToAddedEntry()
{
// Arrange
var id = "some-id";
var expectedContent = new DefaultTagHelperContent();
expectedContent.SetContent("some-content");
var tokenSource = new CancellationTokenSource();
var cache = new MemoryCache(new MemoryCacheOptions());
var cacheEntryOptions = new MemoryCacheEntryOptions()
.AddExpirationToken(new CancellationChangeToken(tokenSource.Token));
var tagHelperContext = new TagHelperContext(
allAttributes: new TagHelperAttributeList(),
items: new Dictionary <object, object>(),
uniqueId: id);
var tagHelperOutput = new TagHelperOutput(
"cache",
new TagHelperAttributeList {
{ "attr", "value" }
},
getChildContentAsync: useCachedResult =>
{
TagHelperContent tagHelperContent;
if (!cache.TryGetValue("key1", out tagHelperContent))
{
tagHelperContent = expectedContent;
cache.Set("key1", tagHelperContent, cacheEntryOptions);
}
return(Task.FromResult(tagHelperContent));
});
tagHelperOutput.PreContent.SetContent("<cache>");
tagHelperOutput.PostContent.SetContent("</cache>");
var cacheTagHelper = new CacheTagHelper(cache)
{
ViewContext = GetViewContext(),
};
var key = cacheTagHelper.GenerateKey(tagHelperContext);
// Act - 1
await cacheTagHelper.ProcessAsync(tagHelperContext, tagHelperOutput);
TagHelperContent cachedValue;
var result = cache.TryGetValue(key, out cachedValue);
// Assert - 1
Assert.Equal(expectedContent.GetContent(), tagHelperOutput.Content.GetContent());
Assert.True(result);
Assert.Equal(expectedContent, cachedValue);
// Act - 2
tokenSource.Cancel();
result = cache.TryGetValue(key, out cachedValue);
// Assert - 2
Assert.False(result);
Assert.Null(cachedValue);
}
public async Task ProcessAsync_FlowsEntryLinkThatAllowsAddingTriggersToAddedEntry()
{
// Arrange
var id = "some-id";
var expectedContent = new DefaultTagHelperContent();
expectedContent.SetContent("some-content");
var tokenSource = new CancellationTokenSource();
var cache = new MemoryCache(new MemoryCacheOptions());
var tagHelperContext = new TagHelperContext(
allAttributes: new Dictionary <string, object>(),
items: new Dictionary <object, object>(),
uniqueId: id,
getChildContentAsync: () =>
{
var entryLink = EntryLinkHelpers.ContextLink;
Assert.NotNull(entryLink);
entryLink.AddExpirationTriggers(new[]
{
new CancellationTokenTrigger(tokenSource.Token)
});
return(Task.FromResult <TagHelperContent>(expectedContent));
});
var tagHelperOutput = new TagHelperOutput("cache",
new Dictionary <string, object> {
{ "attr", "value" }
});
tagHelperOutput.PreContent.SetContent("<cache>");
tagHelperOutput.PostContent.SetContent("</cache>");
var cacheTagHelper = new CacheTagHelper
{
ViewContext = GetViewContext(),
MemoryCache = cache,
};
var key = cacheTagHelper.GenerateKey(tagHelperContext);
// Act - 1
await cacheTagHelper.ProcessAsync(tagHelperContext, tagHelperOutput);
TagHelperContent cachedValue;
var result = cache.TryGetValue(key, out cachedValue);
// Assert - 1
Assert.Equal(expectedContent.GetContent(), tagHelperOutput.Content.GetContent());
Assert.True(result);
Assert.Equal(expectedContent, cachedValue);
// Act - 2
tokenSource.Cancel();
result = cache.TryGetValue(key, out cachedValue);
// Assert - 2
Assert.False(result);
Assert.Null(cachedValue);
}
public async Task ProcessAsync_FlowsEntryLinkThatAllowsAddingTriggersToAddedEntry()
{
// Arrange
var id = "some-id";
var expectedContent = "some-content";
var tokenSource = new CancellationTokenSource();
var cache = new MemoryCache(new MemoryCacheOptions());
var tagHelperContext = new TagHelperContext(new Dictionary <string, object>(),
id,
() =>
{
var entryLink = EntryLinkHelpers.ContextLink;
Assert.NotNull(entryLink);
entryLink.AddExpirationTriggers(new[]
{
new CancellationTokenTrigger(tokenSource.Token)
});
return(Task.FromResult(expectedContent));
});
var tagHelperOutput = new TagHelperOutput("cache", new Dictionary <string, string>())
{
PreContent = "<cache>",
PostContent = "</cache>"
};
var cacheTagHelper = new CacheTagHelper
{
ViewContext = GetViewContext(),
MemoryCache = cache,
};
var key = cacheTagHelper.GenerateKey(tagHelperContext);
// Act - 1
await cacheTagHelper.ProcessAsync(tagHelperContext, tagHelperOutput);
string cachedValue;
var result = cache.TryGetValue(key, out cachedValue);
// Assert - 1
Assert.Equal(expectedContent, tagHelperOutput.Content);
Assert.True(result);
Assert.Equal(expectedContent, cachedValue);
// Act - 2
tokenSource.Cancel();
result = cache.TryGetValue(key, out cachedValue);
// Assert - 2
Assert.False(result);
Assert.Null(cachedValue);
}
public void GenerateKey_UsesVaryByPropertyToGenerateKey(string varyBy)
{
// Arrange
var tagHelperContext = GetTagHelperContext();
var cacheTagHelper = new CacheTagHelper(Mock.Of <IMemoryCache>())
{
ViewContext = GetViewContext(),
VaryBy = varyBy
};
var expected = GetHashedBytes("CacheTagHelper||testid||VaryBy||" + varyBy);
// Act
var key = cacheTagHelper.GenerateKey(tagHelperContext);
// Assert
Assert.Equal(expected, key);
}
public void GenerateKey_ReturnsKeyBasedOnTagHelperUniqueId()
{
// Arrange
var id = Guid.NewGuid().ToString();
var tagHelperContext = GetTagHelperContext(id);
var cacheTagHelper = new CacheTagHelper(Mock.Of <IMemoryCache>())
{
ViewContext = GetViewContext()
};
var expected = GetHashedBytes("CacheTagHelper||" + id);
// Act
var key = cacheTagHelper.GenerateKey(tagHelperContext);
// Assert
Assert.Equal(expected, key);
}
public void GenerateKey_ReturnsKeyBasedOnTagHelperUniqueId()
{
// Arrange
var id = Guid.NewGuid().ToString();
var tagHelperContext = GetTagHelperContext(id);
var cacheTagHelper = new CacheTagHelper(Mock.Of<IMemoryCache>())
{
ViewContext = GetViewContext()
};
var expected = GetHashedBytes("CacheTagHelper||" + id);
// Act
var key = cacheTagHelper.GenerateKey(tagHelperContext);
// Assert
Assert.Equal(expected, key);
}
public void GenerateKey_UsesVaryByUser_WhenUserIsNotAuthenticated()
{
// Arrange
var expected = "CacheTagHelper||testid||VaryByUser||";
var tagHelperContext = GetTagHelperContext();
var cacheTagHelper = new CacheTagHelper(Mock.Of <IMemoryCache>())
{
ViewContext = GetViewContext(),
VaryByUser = true
};
// Act
var key = cacheTagHelper.GenerateKey(tagHelperContext);
// Assert
Assert.Equal(GetHashedBytes(expected), key);
}
public void GenerateKey_UsesVaryByPropertyToGenerateKey(string varyBy)
{
// Arrange
var tagHelperContext = GetTagHelperContext();
var cacheTagHelper = new CacheTagHelper(Mock.Of<IMemoryCache>())
{
ViewContext = GetViewContext(),
VaryBy = varyBy
};
var expected = GetHashedBytes("CacheTagHelper||testid||VaryBy||" + varyBy);
// Act
var key = cacheTagHelper.GenerateKey(tagHelperContext);
// Assert
Assert.Equal(expected, key);
}
public void GenerateKey_UsesVaryByRoute(string varyByRoute, string expected)
{
// Arrange
var tagHelperContext = GetTagHelperContext();
var cacheTagHelper = new CacheTagHelper(Mock.Of <IMemoryCache>())
{
ViewContext = GetViewContext(),
VaryByRoute = varyByRoute
};
cacheTagHelper.ViewContext.RouteData.Values["id"] = 4;
cacheTagHelper.ViewContext.RouteData.Values["category"] = "MyCategory";
// Act
var key = cacheTagHelper.GenerateKey(tagHelperContext);
// Assert
Assert.Equal(GetHashedBytes(expected), key);
}
public void GenerateKey_UsesVaryByQuery(string varyByQuery, string expected)
{
// Arrange
var tagHelperContext = GetTagHelperContext();
var cacheTagHelper = new CacheTagHelper(Mock.Of <IMemoryCache>())
{
ViewContext = GetViewContext(),
VaryByQuery = varyByQuery
};
cacheTagHelper.ViewContext.HttpContext.Request.QueryString =
new Http.QueryString("?sortoption=Adorability&Category=cats&sortOrder=");
// Act
var key = cacheTagHelper.GenerateKey(tagHelperContext);
// Assert
Assert.Equal(GetHashedBytes(expected), key);
}
public void GenerateKey_UsesVaryByCookieName(string varyByCookie, string expected)
{
// Arrange
var tagHelperContext = GetTagHelperContext();
var cacheTagHelper = new CacheTagHelper(Mock.Of <IMemoryCache>())
{
ViewContext = GetViewContext(),
VaryByCookie = varyByCookie
};
cacheTagHelper.ViewContext.HttpContext.Request.Headers["Cookie"] =
"Cookie0=Cookie0Value;Cookie1=Cookie1Value";
// Act
var key = cacheTagHelper.GenerateKey(tagHelperContext);
// Assert
Assert.Equal(GetHashedBytes(expected), key);
}
public void GenerateKey_UsesVaryByUserAndAuthenticatedUserName()
{
// Arrange
var expected = "CacheTagHelper||testid||VaryByUser||test_name";
var tagHelperContext = GetTagHelperContext();
var cacheTagHelper = new CacheTagHelper(Mock.Of <IMemoryCache>())
{
ViewContext = GetViewContext(),
VaryByUser = true
};
var identity = new ClaimsIdentity(new[] { new Claim(ClaimsIdentity.DefaultNameClaimType, "test_name") });
cacheTagHelper.ViewContext.HttpContext.User = new ClaimsPrincipal(identity);
// Act
var key = cacheTagHelper.GenerateKey(tagHelperContext);
// Assert
Assert.Equal(GetHashedBytes(expected), key);
}
public void GenerateKey_UsesVaryByHeader(string varyByHeader, string expected)
{
// Arrange
var tagHelperContext = GetTagHelperContext();
var cacheTagHelper = new CacheTagHelper(Mock.Of <IMemoryCache>())
{
ViewContext = GetViewContext(),
VaryByHeader = varyByHeader
};
var headers = cacheTagHelper.ViewContext.HttpContext.Request.Headers;
headers["Accept-Language"] = "en-us;charset=utf8";
headers["Accept-Encoding"] = "utf8";
headers["X-CustomHeader"] = "Header-Value";
// Act
var key = cacheTagHelper.GenerateKey(tagHelperContext);
// Assert
Assert.Equal(GetHashedBytes(expected), key);
}
public void GenerateKey_UsesVaryByCookieName(string varyByCookie, string expected)
{
// Arrange
var tagHelperContext = GetTagHelperContext();
var cacheTagHelper = new CacheTagHelper(Mock.Of<IMemoryCache>())
{
ViewContext = GetViewContext(),
VaryByCookie = varyByCookie
};
cacheTagHelper.ViewContext.HttpContext.Request.Headers["Cookie"] =
"Cookie0=Cookie0Value;Cookie1=Cookie1Value";
// Act
var key = cacheTagHelper.GenerateKey(tagHelperContext);
// Assert
Assert.Equal(GetHashedBytes(expected), key);
}
public async Task ProcessAsync_FlowsEntryLinkThatAllowsAddingTriggersToAddedEntry()
{
// Arrange
var id = "some-id";
var expectedContent = new DefaultTagHelperContent();
expectedContent.SetContent("some-content");
var tokenSource = new CancellationTokenSource();
var cache = new MemoryCache(new MemoryCacheOptions());
var cacheEntryOptions = new MemoryCacheEntryOptions()
.AddExpirationTrigger(new CancellationTokenTrigger(tokenSource.Token));
var tagHelperContext = new TagHelperContext(
allAttributes: new TagHelperAttributeList(),
items: new Dictionary<object, object>(),
uniqueId: id,
getChildContentAsync: () =>
{
TagHelperContent tagHelperContent;
if(!cache.TryGetValue("key1", out tagHelperContent))
{
tagHelperContent = expectedContent;
cache.Set("key1", tagHelperContent, cacheEntryOptions);
}
return Task.FromResult(tagHelperContent);
});
var tagHelperOutput = new TagHelperOutput("cache", new TagHelperAttributeList { { "attr", "value" } });
tagHelperOutput.PreContent.SetContent("<cache>");
tagHelperOutput.PostContent.SetContent("</cache>");
var cacheTagHelper = new CacheTagHelper(cache)
{
ViewContext = GetViewContext(),
};
var key = cacheTagHelper.GenerateKey(tagHelperContext);
// Act - 1
await cacheTagHelper.ProcessAsync(tagHelperContext, tagHelperOutput);
TagHelperContent cachedValue;
var result = cache.TryGetValue(key, out cachedValue);
// Assert - 1
Assert.Equal(expectedContent.GetContent(), tagHelperOutput.Content.GetContent());
Assert.True(result);
Assert.Equal(expectedContent, cachedValue);
// Act - 2
tokenSource.Cancel();
result = cache.TryGetValue(key, out cachedValue);
// Assert - 2
Assert.False(result);
Assert.Null(cachedValue);
}
public void GenerateKey_WithMultipleVaryByOptions_CreatesCombinedKey()
{
// Arrange
var expected = GetHashedBytes("CacheTagHelper||testid||VaryBy||custom-value||" +
"VaryByHeader(content-type||text/html)||VaryByUser||someuser");
var tagHelperContext = GetTagHelperContext();
var cacheTagHelper = new CacheTagHelper(Mock.Of<IMemoryCache>())
{
ViewContext = GetViewContext(),
VaryByUser = true,
VaryByHeader = "content-type",
VaryBy = "custom-value"
};
cacheTagHelper.ViewContext.HttpContext.Request.Headers["Content-Type"] = "text/html";
var identity = new ClaimsIdentity(new[] { new Claim(ClaimsIdentity.DefaultNameClaimType, "someuser") });
cacheTagHelper.ViewContext.HttpContext.User = new ClaimsPrincipal(identity);
// Act
var key = cacheTagHelper.GenerateKey(tagHelperContext);
// Assert
Assert.Equal(expected, key);
}
public void GenerateKey_UsesVaryByUserAndAuthenticatedUserName()
{
// Arrange
var expected = "CacheTagHelper||testid||VaryByUser||test_name";
var tagHelperContext = GetTagHelperContext();
var cacheTagHelper = new CacheTagHelper(Mock.Of<IMemoryCache>())
{
ViewContext = GetViewContext(),
VaryByUser = true
};
var identity = new ClaimsIdentity(new[] { new Claim(ClaimsIdentity.DefaultNameClaimType, "test_name") });
cacheTagHelper.ViewContext.HttpContext.User = new ClaimsPrincipal(identity);
// Act
var key = cacheTagHelper.GenerateKey(tagHelperContext);
// Assert
Assert.Equal(GetHashedBytes(expected), key);
}
public void GenerateKey_UsesVaryByUser_WhenUserIsNotAuthenticated()
{
// Arrange
var expected = "CacheTagHelper||testid||VaryByUser||";
var tagHelperContext = GetTagHelperContext();
var cacheTagHelper = new CacheTagHelper(Mock.Of<IMemoryCache>())
{
ViewContext = GetViewContext(),
VaryByUser = true
};
// Act
var key = cacheTagHelper.GenerateKey(tagHelperContext);
// Assert
Assert.Equal(GetHashedBytes(expected), key);
}
public void GenerateKey_UsesVaryByRoute(string varyByRoute, string expected)
{
// Arrange
var tagHelperContext = GetTagHelperContext();
var cacheTagHelper = new CacheTagHelper(Mock.Of<IMemoryCache>())
{
ViewContext = GetViewContext(),
VaryByRoute = varyByRoute
};
cacheTagHelper.ViewContext.RouteData.Values["id"] = 4;
cacheTagHelper.ViewContext.RouteData.Values["category"] = "MyCategory";
// Act
var key = cacheTagHelper.GenerateKey(tagHelperContext);
// Assert
Assert.Equal(GetHashedBytes(expected), key);
}
public void GenerateKey_UsesVaryByQuery(string varyByQuery, string expected)
{
// Arrange
var tagHelperContext = GetTagHelperContext();
var cacheTagHelper = new CacheTagHelper(Mock.Of<IMemoryCache>())
{
ViewContext = GetViewContext(),
VaryByQuery = varyByQuery
};
cacheTagHelper.ViewContext.HttpContext.Request.QueryString =
new Http.QueryString("?sortoption=Adorability&Category=cats&sortOrder=");
// Act
var key = cacheTagHelper.GenerateKey(tagHelperContext);
// Assert
Assert.Equal(GetHashedBytes(expected), key);
}
public void GenerateKey_UsesVaryByHeader(string varyByHeader, string expected)
{
// Arrange
var tagHelperContext = GetTagHelperContext();
var cacheTagHelper = new CacheTagHelper(Mock.Of<IMemoryCache>())
{
ViewContext = GetViewContext(),
VaryByHeader = varyByHeader
};
var headers = cacheTagHelper.ViewContext.HttpContext.Request.Headers;
headers["Accept-Language"] = "en-us;charset=utf8";
headers["Accept-Encoding"] = "utf8";
headers["X-CustomHeader"] = "Header-Value";
// Act
var key = cacheTagHelper.GenerateKey(tagHelperContext);
// Assert
Assert.Equal(GetHashedBytes(expected), key);
}
