# Summary

Class: | WireMock.Transformers.HandleBarsLinq
Assembly: | WireMock.Net
File(s): | C:\Users\azureuser\Documents\Github\WireMock.Net\src\WireMock.Net\Transformers\HandleBarsLinq.cs
Covered lines: | 48
Uncovered lines: | 0
Coverable lines: | 48
Total lines: | 86
Line coverage: | 100%
Branch coverage: | 92.8%

# Metrics

Method | Cyclomatic complexity | NPath complexity | Sequence coverage | Branch coverage
--- | --- | --- | --- | ---
Register() | 0 | 0 | 1 | 1
ExecuteDynamicLinq(...) | 0 | 0 | 1 | 0
ParseArguments(...) | 0 | 0 | 1 | 0.9

# File(s)

## C:\Users\azureuser\Documents\Github\WireMock.Net\src\WireMock.Net\Transformers\HandleBarsLinq.cs

| # | Line |  | Line coverage
--- | --- | --- | --- | ---
|  | `1` |  | `using System;`
|  | `2` |  | `using System.Linq;`
|  | `3` |  | `using System.Linq.Dynamic.Core;`
|  | `4` |  | `using System.Linq.Dynamic.Core.Exceptions;`
|  | `5` |  | `using HandlebarsDotNet;`
|  | `6` |  | `using Newtonsoft.Json.Linq;`
|  | `7` |  | `using WireMock.Util;`
|  | `8` |  | `using WireMock.Validation;`
|  | `9` |  | ``
|  | `10` |  | `namespace WireMock.Transformers`
|  | `11` |  | `{`
|  | `12` |  | `internal static class HandleBarsLinq`
|  | `13` |  | `{`
|  | `14` |  | `public static void Register()`
| 1 | `15` |  | `{`
| 1 | `16` |  | `Handlebars.RegisterHelper("Linq", (writer, context, arguments) =>`
| 8 | `17` |  | `{`
| 8 | `18` |  | `(JToken valueToProcess, string linqStatement) = ParseArguments(arguments);`
| 1 | `19` |  | ``
| 1 | `20` |  | `try`
| 5 | `21` |  | `{`
| 5 | `22` |  | `object result = ExecuteDynamicLinq(valueToProcess, linqStatement);`
| 4 | `23` |  | `writer.WriteSafeString(result);`
| 4 | `24` |  | `}`
| 2 | `25` |  | `catch (ParseException)`
| 2 | `26` |  | `{`
| 1 | `27` |  | `// Ignore ParseException`
| 2 | `28` |  | `}`
| 5 | `29` |  | `});`
|  | `30` |  | ``
| 1 | `31` |  | `Handlebars.RegisterHelper("Linq", (writer, options, context, arguments) =>`
| 3 | `32` |  | `{`
| 3 | `33` |  | `(JToken valueToProcess, string linqStatement) = ParseArguments(arguments);`
| 1 | `34` |  | ``
| 1 | `35` |  | `try`
| 3 | `36` |  | `{`
| 3 | `37` |  | `var result = ExecuteDynamicLinq(valueToProcess, linqStatement);`
| 2 | `38` |  | `options.Template(writer, result);`
| 2 | `39` |  | `}`
| 2 | `40` |  | `catch (ParseException)`
| 2 | `41` |  | `{`
| 1 | `42` |  | `// Ignore ParseException`
| 2 | `43` |  | `}`
| 3 | `44` |  | `});`
| 1 | `45` |  | `}`
|  | `46` |  | ``
|  | `47` |  | `private static dynamic ExecuteDynamicLinq(JToken value, string linqStatement)`
| 6 | `48` |  | `{`
|  | `49` |  | `// Convert a single object to a Queryable JObject-list with 1 entry.`
| 6 | `50` |  | `var queryable1 = new[] { value }.AsQueryable();`
|  | `51` |  | ``
|  | `52` |  | `// Generate the DynamicLinq select statement.`
| 6 | `53` |  | `string dynamicSelect = JsonUtils.GenerateDynamicLinqStatement(value);`
|  | `54` |  | ``
|  | `55` |  | `// Execute DynamicLinq Select statement.`
| 6 | `56` |  | `var queryable2 = queryable1.Select(dynamicSelect);`
|  | `57` |  | ``
|  | `58` |  | `// Execute the Select(...) method and get first result with FirstOrDefault().`
| 6 | `59` |  | `return queryable2.Select(linqStatement).FirstOrDefault();`
| 4 | `60` |  | `}`
|  | `61` |  | ``
|  | `62` |  | `private static (JToken valueToProcess, string linqStatement) ParseArguments(object[] arguments)`
| 9 | `63` |  | `{`
| 18 | `64` |  | `Check.Condition(arguments, args => args.Length == 2, nameof(arguments));`
| 8 | `65` |  | `Check.NotNull(arguments[0], "arguments[0]");`
| 7 | `66` |  | `Check.NotNullOrEmpty(arguments[1] as string, "arguments[1]");`
|  | `67` |  | ``
|  | `68` |  | `JToken valueToProcess;`
| 7 | `69` |  | `switch (arguments[0])`
|  | `70` |  | `{`
|  | `71` |  | `case string jsonAsString:`
| 1 | `72` |  | `valueToProcess = new JValue(jsonAsString);`
| 1 | `73` |  | `break;`
|  | `74` |  | ``
|  | `75` |  | `case JToken jsonAsJObject:`
| 5 | `76` |  | `valueToProcess = jsonAsJObject;`
| 5 | `77` |  | `break;`
|  | `78` |  | ``
|  | `79` |  | `default:`
| 1 | `80` |  | `throw new NotSupportedException($"The value '{arguments[0]}' with type '{arguments[0]?.GetType()}' c`
|  | `81` |  | `}`
|  | `82` |  | ``
| 6 | `83` |  | `return (valueToProcess, (string) arguments[1]);`
| 6 | `84` |  | `}`
|  | `85` |  | `}`
|  | `86` |  | `}`

# Methods/Properties

Register()
ExecuteDynamicLinq(Newtonsoft.Json.Linq.JToken,System.String)
ParseArguments(System.Object[])