public void EnsureTestConfigurationPassesSchemaValidation()
{
using var schemaReader = new StreamReader(PublishedNodesSchema);
var validator = new JsonSchemaDotNetSchemaValidator();
var results = validator.Validate(Encoding.UTF8.GetBytes(testConfiguration), schemaReader);
Assert.True(results.All(r => r.IsValid));
}
public void IncorrectlyFormattedEndpointUrlsReturnErrors()
{
using var schemaReader = new StreamReader(PublishedNodesSchema);
// Break the EndpointUrl by removing the `.` between `opc` and `tcp` which will
// trigger a validation failure
var alteredConfig = testConfiguration.Replace("opc.tcp://20.185.195.172:53530/OPCUA/SimulationServer", "opctcp://20.185.195.172:53530/OPCUA/SimulationServer");
var validator = new JsonSchemaDotNetSchemaValidator();
var results = validator.Validate(Encoding.UTF8.GetBytes(alteredConfig), schemaReader);
// Ensure that we failed the regex NodeID check
Assert.Equal("The string value was not a match for the indicated regular expression", results.ElementAt(1).Message);
}
public void EnsureTestConfigurationWithBOMHeaderPassesSchemaValidation()
{
using var ms = new MemoryStream();
using var writer = new StreamWriter(ms, new UTF8Encoding(true)); // Write with BOM header.
writer.Write(testConfiguration);
writer.Flush();
ms.Seek(0, SeekOrigin.Begin);
var testConfigurationBytes = ms.ReadAsBuffer().ToArray();
using var schemaReader = new StreamReader("Default/publishednodesschema.json");
var validator = new JsonSchemaDotNetSchemaValidator();
var results = validator.Validate(testConfigurationBytes, schemaReader);
Assert.True(results.All(r => r.IsValid));
}
public void ByteStringNodeIdsThatAreNotByteStingsReturnErrors()
{
using var schemaReader = new StreamReader(PublishedNodesSchema);
// Break the id of the first Node to ensure an error is thrown
var alteredConfig = testConfiguration.Replace("i=1001", "b=12345");
var validator = new JsonSchemaDotNetSchemaValidator();
var results = validator.Validate(Encoding.UTF8.GetBytes(alteredConfig), schemaReader);
// if the default schema includes ID Value Checks
if (DefaultSchemaIncludesIdValuePatterns)
{
// Ensure that we failed the regex NodeID check
Assert.Equal("The string value was not a match for the indicated regular expression", results.ElementAt(1).Message);
}
}
public void ValidateTrivialStringTypeSchema()
{
var schema = @"
{
""type"": ""object"",
""properties"": {
""prop"": { ""type"": ""string"" }
}
}
";
var pn = @"{""prop"": ""this is a string""}";
var validator = new JsonSchemaDotNetSchemaValidator();
var results = validator.Validate(Encoding.UTF8.GetBytes(pn), new StringReader(schema));
Assert.True(results.All(r => r.IsValid));
}
public void ConfigurationFileWithLargeErrorListIsHandledSuccessfully()
{
using var schemaReader = new StreamReader(PublishedNodesSchema);
var configFileShell = @"
[
{
""EndpointUrl"": ""opc.tcp://20.185.195.172:53530/OPCUA/SimulationServer"",
""UseSecurity"": false,
""OpcNodes"": [ placeholder ]
}
]
";
var longNodeList = new List <string>();
// Add 10000 nodes into the temp config and make a broken replacement
// of `Id` with `ID` to trigger schema failures.
for (int i = 0; i < 10000; i++)
{
longNodeList.Add(@"
{
""Id"": ""i = 1001"",
""OpcSamplingInterval"": 2000,
""OpcPublishingInterval"": 5000,
}
".Replace("Id", "ID"));
}
var longBadConfig = configFileShell.Replace("placeholder", string.Join(",", longNodeList));
var validator = new JsonSchemaDotNetSchemaValidator();
var results = validator.Validate(Encoding.UTF8.GetBytes(longBadConfig), schemaReader);
// if the default schema includes ID Value Checks
if (DefaultSchemaIncludesIdValuePatterns)
{
// Ensure that we get all 20002 errors back.
Assert.Equal(20002, results.Count);
// Ensure that we failed on schema checks correctly.
Assert.Equal(1, results.Count(r => r.Message.Equals("Expected 1 matching subschema but found 0")));
Assert.Equal(1, results.Count(r => r.Message.Equals("Required properties [NodeId] were not present")));
Assert.Equal(10000, results.Count(r => r.Message.Equals("Required properties [Id] were not present")));
Assert.Equal(10000, results.Count(r => r.Message.Equals("Required properties [ExpandedNodeId] were not present")));
}
}
public void EnsureNumericDataFailsOnStringTypeValidation()
{
var schema = @"
{
""type"": ""object"",
""properties"": {
""prop"": { ""type"": ""string"" }
}
}
";
var pn = @"{""prop"": 1000}";
var validator = new JsonSchemaDotNetSchemaValidator();
var results = validator.Validate(Encoding.UTF8.GetBytes(pn), new StringReader(schema));
Assert.True(results.All(r => !r.IsValid));
Assert.Equal("Value is number but should be string", results.First().Message);
}
public void EnsureSchemaTrailingCommaSupportInBuffers()
{
var schema = @"
{
""type"": ""object"",
""properties"": {
""prop"": { ""type"": ""string"" }
}
}
";
// The following object includes a trailing comma
var pn = @" { ""prop"": ""this is a string"", } ";
var validator = new JsonSchemaDotNetSchemaValidator();
var results = validator.Validate(Encoding.UTF8.GetBytes(pn), new StringReader(schema));
Assert.True(results.All(r => r.IsValid));
}
// There are nuances to the use of "items" schema for arrays in JSON Schema.
// Particularly the difference between "items: [{ ... }]" and "items: { ... }"
// The first checks ONLY the schema of the array element in a given array index position,
// whereas just object notation for "items" (e.g. '{}') will ensure that all elements are
// checked against a given schema.
// See: https://datatracker.ietf.org/doc/html/draft-handrews-json-schema-validation-01#section-6.4.1
public void MultipleIntNodeIdsThatAreNotIntsReturnExpectedErrors()
{
using var schemaReader = new StreamReader(PublishedNodesSchema);
// Break the id of the second Node to ensure an error is thrown
var alteredConfig = testConfiguration.Replace("i=1002", "'i=12345f'");
//Break the id of the second to last Node (#8) to ensure an error is thrown
alteredConfig = alteredConfig.Replace("i=12345", "'i=12345g'");
var validator = new JsonSchemaDotNetSchemaValidator();
var results = validator.Validate(Encoding.UTF8.GetBytes(alteredConfig), schemaReader);
// if the default schema includes ID Value Checks
if (DefaultSchemaIncludesIdValuePatterns)
{
Assert.NotEmpty(results);
// Ensure that we failed the regex Id check on the 2nd node
Assert.Equal("The string value was not a match for the indicated regular expression", results.ElementAt(1).Message);
// Ensure that we failed the regex ExpandedNodeId check on the 9th node.
Assert.Equal("Required properties [ExpandedNodeId] were not present", results.ElementAt(8).Message);
}
}
public void EnsureMultipleValidationErrorsAreFlattened()
{
var schema = @"
{
""type"": ""object"",
""properties"": {
""prop"": { ""type"": ""string"" },
""prop2"": { ""type"": ""integer"" }
}
}
";
var pn = @" { ""prop"": 1000, ""prop2"":""this is a string"" } ";
var validator = new JsonSchemaDotNetSchemaValidator();
var results = validator.Validate(Encoding.UTF8.GetBytes(pn), new StringReader(schema));
Assert.Equal(3, results.Count);
Assert.True(results.All(r => !r.IsValid));
// Ensure that the return error messages are what we expect from the
// schema validation library
Assert.Equal(1, results.Where(r =>
!r.IsValid &&
r.InstanceLocation == "#" &&
r.SchemaLocation == "#/properties" &&
r.Message == null).Take(3).Count());
Assert.Equal(1, results.Where(r =>
!r.IsValid &&
r.InstanceLocation == "#/prop" &&
r.SchemaLocation == "#/properties/prop/type" &&
r.Message == "Value is number but should be string").Take(3).Count());
Assert.Equal(1, results.Where(r =>
!r.IsValid &&
r.InstanceLocation == "#/prop2" &&
r.SchemaLocation == "#/properties/prop2/type" &&
r.Message == "Value is string but should be integer").Take(3).Count());
}
public void ValidateHistoricalMixedModeSchema()
{
var configFileShell = @"
[
{
""EndpointUrl"": ""opc.tcp://crpogace01:49320"",
""UseSecurity"": false,
""OpcNodes"": [
{
""DisplayName"": ""Kep_1_DisplayName"",
""DataSetFieldId"": ""Kep_1_DataSetFieldId"",
""Id"": ""nsu=KEPServerEX;s=Sim.CH1.SIM_CH1_TAG1\\234754a-c63-b9601"",
""OpcSamplingInterval"": 1000,
""OpcPublishingInterval"": 1000
},
{
""DisplayName"": ""Kep_2_DisplayName"",
""DataSetFieldId"": ""Kep_2_DataSetFieldId"",
""Id"": ""ns=2;s=Sim.CH1.SIM_CH1_TAG10\\2347798-c63-19401"",
""ExpandedNodeId"":""nsu=KEPServerEX;s=Sim.CH1.SIM_CH1_TAG10\\2347798-c63-19401"",
""OpcSamplingInterval"": 1000,
""OpcPublishingInterval"": 1000
}
]
},
{
""EndpointUrl"": ""opc.tcp://crpogace01:51210/UA/DemoServer"",
""UseSecurity"": false,
""OpcNodes"": [
{
""DisplayName"": ""Softing_1_DisplayName"",
""DataSetFieldId"": ""Softing_1_DataSetFieldId"",
""Id"": ""http://test.org/UA/Data/#i=10847"",
""OpcSamplingInterval"": 1000,
""OpcPublishingInterval"": 1000
},
{
""DisplayName"": ""Softing_2_DisplayName"",
""DataSetFieldId"": ""Softing_2_DataSetFieldId"",
""Id"": ""nsu=http://test.org/UA/Data/;i=10848"",
""OpcSamplingInterval"": 1000,
""OpcPublishingInterval"": 1000
},
{
""DisplayName"": ""Softing_3_DisplayName"",
""DataSetFieldId"": ""Softing_3_DataSetFieldId"",
""Id"": ""ns=3;i=10849"",
""ExpandedNodeId"": ""http://test.org/UA/Data/#i=10849"",
""OpcSamplingInterval"": 1000,
""OpcPublishingInterval"": 1000
}
]
}
]";
using var schemaReader = new StreamReader(PublishedNodesSchema);
var validator = new JsonSchemaDotNetSchemaValidator();
var results = validator.Validate(Encoding.UTF8.GetBytes(configFileShell), schemaReader);
if (!DefaultSchemaIncludesIdValuePatterns)
{
Assert.True(results.First().IsValid);
}
else
{
Assert.Equal(12, results.Count());
// Ensure that we failed the regex Id check on the 2nd node
Assert.Equal("Expected 1 matching subschema but found 0", results.ElementAt(1).Message);
// Ensure that we failed the regex ExpandedNodeId check on the 9th node.
Assert.Equal("The string value was not a match for the indicated regular expression", results.ElementAt(2).Message);
}
}