Exemple #1
0
        public async Task Can_get_signatureHelp_for_workspace_with_buffers()
        {
            var container = @"class A
{
    #region nesting
    #endregion
    void Operation()
    {
        var instance = new C();
    }
}";
            var markup    = @"class C
{
    public void Foo() { Foo($$ }
}";

            var(processed, markLocation) = CodeManipulation.ProcessMarkup(markup);

            var ws = new Workspace(
                files: new[] { new File("program.cs", container.EnforceLF()) },
                buffers: new[] { new Buffer("program.cs@nesting", processed, markLocation) });


            var request = new WorkspaceRequest(ws, activeBufferId: "program.cs@nesting");
            var server  = GetLanguageService();
            var result  = await server.GetSignatureHelp(request);

            result.Signatures.Should().NotBeEmpty();
            result.Signatures.First().Label.Should().Be("void C.Foo()");
        }
        public async Task Get_autocompletion_for_console_methods()
        {
            #region bufferSources

            var program = @"using System;
using System.Linq;

namespace FibonacciTest
{
    public class Program
    {
        public static void Main()
        {
            foreach (var i in FibonacciGenerator.Fibonacci().Take(20))
            {
                Console.WriteLine(i);
            }
        }
    }
}".EnforceLF();

            var generator = @"using System.Collections.Generic;
using System;
namespace FibonacciTest
{
    public static class FibonacciGenerator
    {
        public static IEnumerable<int> Fibonacci()
        {
            int current = 1, next = 1;
            while (true)
            {
                yield return current;
                next = current + (current = next);
                Console.$$
            }
        }
    }
}".EnforceLF();

            #endregion

            var(processed, position) = CodeManipulation.ProcessMarkup(generator);

            var workspace = new Workspace(workspaceType: "console", buffers: new[]
            {
                new Buffer("Program.cs", program.EnforceLF()),
                new Buffer("generators/FibonacciGenerator.cs", processed, position)
            });

            var request = new WorkspaceRequest(workspace, activeBufferId: "generators/FibonacciGenerator.cs");
            var server  = GetLanguageService();
            var result  = await server.GetCompletionList(request);

            result.Items.Should().NotBeNullOrEmpty();
            result.Items.Should().NotContain(signature => string.IsNullOrEmpty(signature.Kind));
            result.Items.Should().Contain(completion => completion.SortText == "Beep");
            var hasDuplicatedEntries = HasDuplicatedCompletionItems(result);
            hasDuplicatedEntries.Should().BeFalse();
        }
Exemple #3
0
        public async Task Get_diagnostics()
        {
            #region bufferSources

            var program = @"using System;
using System.Linq;

namespace FibonacciTest
{
    public class Program
    {
        public static void Main()
        {
            foreach (var i in FibonacciGenerator.Fibonacci().Take(20))
            {
                Console.WriteLine(i);
            }
        }
    }
}".EnforceLF();

            var generator = @"using System.Collections.Generic;
using System;
namespace FibonacciTest
{
    public static class FibonacciGenerator
    {
        public static IEnumerable<int> Fibonacci()
        {
            int current = 1, next = 1;
            while (true)
            {
                yield return current;
                next = current + (current = next);
                adddd
                Console.WriteLine($$);
            }
        }
    }
}".EnforceLF();

            #endregion

            var(processed, position) = CodeManipulation.ProcessMarkup(generator);

            var workspace = new Workspace(workspaceType: "console", buffers: new[]
            {
                new Buffer("Program.cs", program),
                new Buffer("generators/FibonacciGenerator.cs", processed, position)
            });

            var request = new WorkspaceRequest(workspace, activeBufferId: "generators/FibonacciGenerator.cs");
            var server  = await GetLanguageServiceAsync();

            var result = await server.GetDiagnostics(request);

            result.Diagnostics.Should().NotBeNullOrEmpty();
            result.Diagnostics.Should().Contain(diagnostics => diagnostics.Message == "generators/FibonacciGenerator.cs(14,17): error CS0246: The type or namespace name \'adddd\' could not be found (are you missing a using directive or an assembly reference?)");
        }
        public async Task Get_signature_help_for_invalid_location_return_empty()
        {
            #region bufferSources

            var program = @"using System;
using System.Linq;

namespace FibonacciTest
{
    public class Program
    {
        public static void Main()
        {
            foreach (var i in FibonacciGenerator.Fibonacci().Take(20))
            {
                Console.WriteLine(i);
            }
        }
    }
}".EnforceLF();

            var generator = @"using System.Collections.Generic;
using System;
namespace FibonacciTest
{
    public static class FibonacciGenerator
    {
        public static IEnumerable<int> Fibonacci()
        {
            int current = 1, next = 1;
            while (true)
            {
                yield return current;
                next = current + (current = next);
                Console.WriteLine();$$
            }
        }
    }
}".EnforceLF();

            #endregion

            var(processed, position) = CodeManipulation.ProcessMarkup(generator);

            var workspace = new Workspace(workspaceType: "console", buffers: new[]
            {
                new Buffer("Program.cs", program),
                new Buffer("generators/FibonacciGenerator.cs", processed, position)
            });

            var request = new WorkspaceRequest(workspace, activeBufferId: "generators/FibonacciGenerator.cs");
            var server  = await GetLanguageServiceAsync();

            var result = await server.GetSignatureHelp(request);

            result.Should().NotBeNull();
            result.Signatures.Should().BeNullOrEmpty();
        }
Exemple #5
0
        public async Task Can_show_completions()
        {
            var(processed, markLocation) = CodeManipulation.ProcessMarkup("var xa = 3;\n$$a");
            var ws      = new Workspace(buffers: new[] { new Buffer("default.cs", processed, markLocation) });
            var request = new WorkspaceRequest(ws, activeBufferId: "default.cs");
            var server  = GetLanguageService();
            var result  = await server.GetCompletionList(request);

            result.Items.Should().NotBeNullOrEmpty();
            result.Items.Should().Contain(i => i.DisplayText == "xa");
        }
Exemple #6
0
        public async Task Can_show_KeyValuePair_because_it_uses_the_right_reference_assemblies()
        {
            var(processed, markLocation) = CodeManipulation.ProcessMarkup("System.Collections.Generic.$$");

            var ws      = new Workspace(buffers: new[] { new Buffer("default.cs", processed, markLocation) });
            var request = new WorkspaceRequest(ws, activeBufferId: "default.cs");
            var server  = GetLanguageService();
            var result  = await server.GetCompletionList(request);

            result.Items.Should().NotBeNullOrEmpty();
            result.Items.Should().Contain(i => i.DisplayText == "KeyValuePair");
        }
Exemple #7
0
        public async Task Get_diagnostics()
        {
            var code = @"addd";

            var(processed, markLocation) = CodeManipulation.ProcessMarkup(code);

            var ws      = new Workspace(buffers: new[] { new Buffer("", processed, markLocation) });
            var request = new WorkspaceRequest(ws, activeBufferId: "");
            var server  = GetLanguageService();
            var result  = await server.GetDiagnostics(request);

            result.Diagnostics.Should().NotBeEmpty();
            result.Diagnostics.Should().Contain(diagnostics => diagnostics.Message == "(1,1): error CS0103: The name \'addd\' does not exist in the current context");
        }
Exemple #8
0
        public async Task Can_show_signatureHelp_for_workspace()
        {
            var markup = @"class C
{
    void Foo() { Foo($$ }
}";

            var(processed, markLocation) = CodeManipulation.ProcessMarkup(markup);
            var ws = new Workspace(buffers: new[] { new Buffer("program.cs", processed, markLocation) });

            var request = new WorkspaceRequest(ws, activeBufferId: "program.cs");
            var server  = GetLanguageService();
            var result  = await server.GetSignatureHelp(request);

            result.Signatures.Should().NotBeEmpty();
            result.Signatures.First().Label.Should().Be("void C.Foo()");
        }
        public async Task Get_autocompletion_can_be_empty()
        {
            #region bufferSources

            var program = @"using System;
using System.Linq;

namespace FibonacciTest
{
    public class Program
    {
        public static void Main()
        {
            foreach (var i in FibonacciGenerator.Fibonacci().Take(20))
            {
                Console.WriteLine(i);
            }
        }
    }
}".EnforceLF();

            var generator = @"
#region codeRegion
#endregion
".EnforceLF();

            #endregion

            var(processed, position) = CodeManipulation.ProcessMarkup("class $$");

            var workspace = new Workspace(
                workspaceType: "console",
                buffers: new[] {
                new Buffer("Program.cs", program),
                new Buffer("generators/FibonacciGenerator.cs@codeRegion", processed, position)
            }, files: new[] {
                new File("generators/FibonacciGenerator.cs", generator)
            });

            var request = new WorkspaceRequest(workspace, activeBufferId: "generators/FibonacciGenerator.cs@codeRegion");
            var server  = await GetLanguageServiceAsync();

            var result = await server.GetCompletionList(request);

            result.Items.Should().BeEmpty();
        }
Exemple #10
0
        public async Task Can_show_signature_help_for_extensions()
        {
            var code = @"using System;
using System.Collections.Generic;
using System.Linq;

public class Program
{
  public static void Main()
  {
    foreach (var i in Fibonacci().Take($$))
    {
      Console.WriteLine(i);
    }
  }

  private static IEnumerable<int> Fibonacci()
  {
    int current = 1, next = 1;

    while (true)
    {
      yield return current;
      next = current + (current = next);
    }
  }
}";

            var(processed, markLocation) = CodeManipulation.ProcessMarkup(code);
            var ws      = new Workspace(buffers: new[] { new Buffer("file.csx", processed, markLocation) });
            var request = new WorkspaceRequest(ws, activeBufferId: "file.csx");
            var server  = await GetLanguageServiceAsync();

            var result = await server.GetSignatureHelp(request);

            result.Signatures.Should().NotBeEmpty();
            result.Signatures.First().Label.Should().Be("IEnumerable<TSource> Enumerable.Take<TSource>(IEnumerable<TSource> source, int count)");
            result.Signatures.First().Documentation.Value.Should().Be("Returns a specified number of contiguous elements from the start of a sequence.");
        }
Exemple #11
0
        public async Task Get_diagnostics_with_buffer_with_region()
        {
            #region bufferSources

            var program = @"using System;
using System.Linq;

namespace FibonacciTest
{
    public class Program
    {
        public static void Main()
        {
            #region code
            #endregion
        }
    }
}".EnforceLF();

            var region = @"adddd".EnforceLF();

            #endregion

            var(processed, position) = CodeManipulation.ProcessMarkup(region);

            var workspace = new Workspace(workspaceType: "console", buffers: new[]
            {
                new Buffer("Program.cs", program),
                new Buffer(new BufferId("Program.cs", "code"), processed, position)
            });

            var request = new WorkspaceRequest(workspace, activeBufferId: new BufferId("Program.cs", "code"));
            var server  = await GetLanguageServiceAsync();

            var result = await server.GetDiagnostics(request);

            result.Diagnostics.Should().NotBeNullOrEmpty();
            result.Diagnostics.Should().Contain(diagnostics => diagnostics.Message == "(1,1): error CS0103: The name 'adddd' does not exist in the current context");
        }
Exemple #12
0
        public async Task Get_signature_help_for_invalid_location_return_empty()
        {
            var code = @"using System;
using System.Collections.Generic;
using System.Linq;

public class Program
{
  public static void Main()
  {
    foreach (var i in Fibonacci().Take())$$
    {
      Console.WriteLine(i);
    }
  }

  private static IEnumerable<int> Fibonacci()
  {
    int current = 1, next = 1;

    while (true)
    {
      yield return current;
      next = current + (current = next);
    }
  }
}";

            var(processed, markLocation) = CodeManipulation.ProcessMarkup(code);

            var ws      = new Workspace(buffers: new[] { new Buffer("file.csx", processed, markLocation) });
            var request = new WorkspaceRequest(ws, activeBufferId: "file.csx");
            var server  = await GetLanguageServiceAsync();

            var result = await server.GetSignatureHelp(request);

            result.Should().NotBeNull();
            result.Signatures.Should().BeNullOrEmpty();
        }
Exemple #13
0
        public async Task Get_diagnostics_with_buffer_with_region_in_code_but_not_in_buffer_id()
        {
            #region bufferSources

            var program = @"using System;
using System.Linq;

namespace FibonacciTest
{
    public class Program
    {
        public static void Main()
        {
            #region code
            error
            #endregion
            moreError
        }
    }
}".EnforceLF();

            #endregion

            var(processed, position) = CodeManipulation.ProcessMarkup(program);

            var workspace = new Workspace(workspaceType: "console", buffers: new[]
            {
                new Buffer("Program.cs", program),
            });

            var request = new WorkspaceRequest(workspace, activeBufferId: "Program.cs");
            var server  = await GetLanguageServiceAsync();

            var result = await server.GetDiagnostics(request);

            result.Diagnostics.Should().NotBeNullOrEmpty();
            result.Diagnostics.Should().Contain(diagnostics => diagnostics.Message == "Program.cs(13,13): warning CS0168: The variable 'moreError' is declared but never used");
        }
Exemple #14
0
        public async Task A_script_snippet_workspace_can_be_used_to_get_completions()
        {
            await Default.ConsoleWorkspace();

            var(processed, position) = CodeManipulation.ProcessMarkup("Console.$$");
            using (var agent = new AgentService(StartupOptions.FromCommandLine("hosted")))
            {
                var json = new WorkspaceRequest(
                    requestId: "TestRun",
                    activeBufferId: "default.cs",
                    workspace: Workspace.FromSource(
                        processed,
                        "script",
                        id: "default.cs",
                        position: position))
                           .ToJson();

                var request = new HttpRequestMessage(
                    HttpMethod.Post,
                    @"/workspace/completion")
                {
                    Content = new StringContent(
                        json,
                        Encoding.UTF8,
                        "application/json")
                };

                var response = await agent.SendAsync(request);

                var result = await response
                             .EnsureSuccess()
                             .DeserializeAs <CompletionResult>();

                result.Items.Should().ContainSingle(item => item.DisplayText == "WriteLine");
            }
        }
Exemple #15
0
        public async Task A_console_project_can_be_used_to_get_diagnostics()
        {
            await Default.ConsoleWorkspace();

            #region bufferSources

            var program = @"using System;
using System.Linq;

namespace FibonacciTest
{
    public class Program
    {
        public static void Main()
        {
            foreach (var i in FibonacciGenerator.Fibonacci().Take(20))
            {
                Console.WriteLine(i);
            }
        }       
    }
}".EnforceLF();

            var generator = @"using System.Collections.Generic;
using System;
namespace FibonacciTest
{
    public static class FibonacciGenerator
    {
        public static IEnumerable<int> Fibonacci()
        {
            int current = 1, next = 1;
            while (true)
            {   
                adddd
                yield return current;
                next = current + (current = next);
                Cons$$
            }
        }
    }
}".EnforceLF();

            #endregion
            var(processed, position) = CodeManipulation.ProcessMarkup(generator);
            var log = new LogEntryList();
            using (LogEvents.Subscribe(log.Add))
                using (var agent = new AgentService())
                {
                    var json =
                        new WorkspaceRequest(activeBufferId: "generators/FibonacciGenerator.cs",
                                             requestId: "TestRun",
                                             workspace: Workspace.FromSources(
                                                 "console",
                                                 language: "csharp",
                                                 ("Program.cs", program, 0),
                                                 ("generators/FibonacciGenerator.cs", processed, position)
                                                 )).ToJson();

                    var request = new HttpRequestMessage(
                        HttpMethod.Post,
                        @"/workspace/diagnostics")
                    {
                        Content = new StringContent(
                            json,
                            Encoding.UTF8,
                            "application/json")
                    };

                    var response = await agent.SendAsync(request);

                    var result = await response
                                 .EnsureSuccess()
                                 .DeserializeAs <DiagnosticResult>();

                    result.Diagnostics.Should().NotBeNullOrEmpty();
                    result.Diagnostics.Should().Contain(diagnostic => diagnostic.Message == "generators/FibonacciGenerator.cs(12,17): error CS0246: The type or namespace name \'adddd\' could not be found (are you missing a using directive or an assembly reference?)");
                }
        }
Exemple #16
0
        public async Task A_console_project_can_be_used_to_get_type_completion_with_a_space_in_the_name()
        {
            await Default.ConsoleWorkspace();

            #region bufferSources

            var program = @"using System;
using System.Linq;

namespace FibonacciTest
{
    public class Program
    {
        public static void Main()
        {
            foreach (var i in FibonacciGenerator.Fibonacci().Take(20))
            {
                Console.WriteLine(i);
            }
        }       
    }
}".EnforceLF();

            var generator = @"using System.Collections.Generic;
using System;
namespace FibonacciTest
{
    public static class FibonacciGenerator
    {
        public static IEnumerable<int> Fibonacci()
        {
            int current = 1, next = 1;
            while (true)
            {
                yield return current;
                next = current + (current = next);
                Cons$$
            }
        }
    }
}".EnforceLF();

            #endregion
            var package = await PackageUtilities.Copy(await Default.ConsoleWorkspace(), "a space");

            var(processed, position) = CodeManipulation.ProcessMarkup(generator);
            var log = new LogEntryList();
            using (LogEvents.Subscribe(log.Add))
                using (var agent = new AgentService())
                {
                    var json =
                        new WorkspaceRequest(activeBufferId: "generators/FibonacciGenerator.cs",
                                             requestId: "TestRun",
                                             workspace: Workspace.FromSources(
                                                 package.Name,
                                                 language: "csharp",
                                                 ("Program.cs", program, 0),
                                                 ("generators/FibonacciGenerator.cs", processed, position)
                                                 )).ToJson();

                    var request = new HttpRequestMessage(
                        HttpMethod.Post,
                        @"/workspace/completion")
                    {
                        Content = new StringContent(
                            json,
                            Encoding.UTF8,
                            "application/json")
                    };

                    var response = await agent.SendAsync(request);

                    var result = await response
                                 .EnsureSuccess()
                                 .DeserializeAs <CompletionResult>();

                    result.Items.Should().NotBeNullOrEmpty();
                    result.Items.Should().Contain(completion => completion.SortText == "Console");
                }
        }
Exemple #17
0
        public async Task A_console_workspace_can_be_used_to_get_signature_help()
        {
            await Default.ConsoleWorkspace();

            #region bufferSources

            var program   = @"using System;
using System.Linq;

namespace FibonacciTest
{
    public class Program
    {
        public static void Main()
        {
            foreach (var i in FibonacciGenerator.Fibonacci().Take(20))
            {
                Console.WriteLine(i);
            }
        }       
    }
}".EnforceLF();
            var generator = @"using System.Collections.Generic;
using System;
namespace FibonacciTest
{
    public static class FibonacciGenerator
    {
        public static IEnumerable<int> Fibonacci()
        {
            int current = 1, next = 1;
            while (true)
            {
                yield return current;
                next = current + (current = next);
                Console.WriteLine($$);
            }
        }
    }
}".EnforceLF();
            #endregion
            var(processed, position) = CodeManipulation.ProcessMarkup(generator);
            var log = new LogEntryList();
            using (LogEvents.Subscribe(log.Add))
                using (var agent = new AgentService())
                {
                    var json =
                        new WorkspaceRequest(activeBufferId: "generators/FibonacciGenerator.cs",
                                             requestId: "TestRun",
                                             workspace: Workspace.FromSources(
                                                 workspaceType: "console",
                                                 language: "csharp",
                                                 ("Program.cs", program, 0),
                                                 ("generators/FibonacciGenerator.cs", processed, position)
                                                 )).ToJson();

                    var request = new HttpRequestMessage(
                        HttpMethod.Post,
                        @"/workspace/signaturehelp")
                    {
                        Content = new StringContent(
                            json,
                            Encoding.UTF8,
                            "application/json")
                    };

                    var response = await agent.SendAsync(request);

                    var result = await response
                                 .EnsureSuccess()
                                 .DeserializeAs <SignatureHelpResult>();

                    result.Signatures.Should().NotBeNullOrEmpty();
                    result.Signatures.Should().Contain(diagnostic => diagnostic.Label == "void Console.WriteLine(string format, params object[] arg)");
                }
        }
        public async Task Get_documentation_with_signature_help_for_console_writeline()
        {
            #region bufferSources

            var program = @"using System;
using System.Linq;

namespace FibonacciTest
{
    public class Program
    {
        public static void Main()
        {
            foreach (var i in FibonacciGenerator.Fibonacci().Take(20))
            {
                Console.WriteLine(i);
            }
        }
    }
}".EnforceLF();

            var generator = @"using System.Collections.Generic;
using System;
namespace FibonacciTest
{
    public static class FibonacciGenerator
    {
        public static IEnumerable<int> Fibonacci()
        {
            int current = 1, next = 1;
            while (true)
            {
                yield return current;
                next = current + (current = next);
                Console.WriteLine($$);
            }
        }
    }
}".EnforceLF();

            #endregion

            var(processed, position) = CodeManipulation.ProcessMarkup(generator);
            var package = await PackageUtilities.Copy(await Default.ConsoleWorkspace());

            var workspace = new Workspace(workspaceType: package.Name, buffers: new[]
            {
                new Buffer("Program.cs", program),
                new Buffer("generators/FibonacciGenerator.cs", processed, position)
            });

            var request = new WorkspaceRequest(workspace, activeBufferId: "generators/FibonacciGenerator.cs");
            var server  = await GetLanguageServiceAsync();

            var result = await server.GetSignatureHelp(request);

            result.Signatures.Should().NotBeNullOrEmpty();

            var sample = result.Signatures.First(e => e.Label == "void Console.WriteLine(string format, params object[] arg)");
            sample.Documentation.Value.Should().Contain("Writes the text representation of the specified array of objects, followed by the current line terminator, to the standard output stream using the specified format information.");
            sample.Parameters.Should().HaveCount(2);

            sample.Parameters.ElementAt(0).Name.Should().Be("format");
            sample.Parameters.ElementAt(0).Label.Should().Be("string format");
            sample.Parameters.ElementAt(0).Documentation.Value.Should().Contain("A composite format string.");

            sample.Parameters.ElementAt(1).Name.Should().Be("arg");
            sample.Parameters.ElementAt(1).Label.Should().Be("params object[] arg");
            sample.Parameters.ElementAt(1).Documentation.Value.Should().Contain("An array of objects to write using format .");
        }
        public async Task Get_signature_help_for_jtoken()
        {
            #region bufferSources

            var program = @"using System;
using System.Linq;

namespace FibonacciTest
{
    public class Program
    {
        public static void Main()
        {
            foreach (var i in FibonacciGenerator.Fibonacci().Take(20))
            {
                Console.WriteLine(i);
            }
        }
    }
}".EnforceLF();

            var generator = @"using System.Collections.Generic;
using System;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
namespace FibonacciTest
{
    public static class FibonacciGenerator
    {
        public static IEnumerable<int> Fibonacci()
        {
            int current = 1, next = 1;
            while (true)
            {
                yield return current;
                next = current + (current = next);
                #region codeRegion
                #endregion
            }
        }
    }
}".EnforceLF();

            #endregion

            var(processed, position) = CodeManipulation.ProcessMarkup("JToken.FromObject($$);");

            var workspace = new Workspace(
                workspaceType: "console",
                buffers: new[]
            {
                new Buffer("Program.cs", program),
                new Buffer("generators/FibonacciGenerator.cs@codeRegion", processed, position)
            }, files: new[]
            {
                new File("generators/FibonacciGenerator.cs", generator),
            });

            var request = new WorkspaceRequest(workspace, activeBufferId: "generators/FibonacciGenerator.cs@codeRegion");
            var server  = await GetLanguageServiceAsync();

            var result = await server.GetSignatureHelp(request);

            result.Signatures.Should().NotBeNullOrEmpty();
            result.Signatures.Should().Contain(signature => signature.Label == "JToken JToken.FromObject(object o)");
        }
        public async Task Get_documentation_with_autocompletion_of_console_methods()
        {
            #region bufferSources

            var program = @"using System;
using System.Linq;

namespace FibonacciTest
{
    public class Program
    {
        public static void Main()
        {
            foreach (var i in FibonacciGenerator.Fibonacci().Take(20))
            {
                Console.WriteLine(i);
            }
        }
    }
}".EnforceLF();

            var generator = @"using System.Collections.Generic;
using System;
namespace FibonacciTest
{
    public static class FibonacciGenerator
    {
        public static IEnumerable<int> Fibonacci()
        {
            int current = 1, next = 1;
            while (true)
            {
                yield return current;
                next = current + (current = next);
                Console.$$
            }
        }
    }
}".EnforceLF();

            #endregion

            var(processed, position) = CodeManipulation.ProcessMarkup(generator);

            var workspace = new Workspace(workspaceType: "console", buffers: new[]
            {
                new Buffer("Program.cs", program),
                new Buffer("generators/FibonacciGenerator.cs", processed, position)
            });

            var request = new WorkspaceRequest(workspace, activeBufferId: "generators/FibonacciGenerator.cs");
            var server  = await GetLanguageServiceAsync();

            var result = await server.GetCompletionList(request);

            result.Should().NotBeNull();
            result.Items.Should().NotBeNullOrEmpty();

            result.Items
            .Where(i => i.Documentation != null && !string.IsNullOrWhiteSpace(i.Documentation.Value))
            .Select(i => i.Documentation.Value)
            .Should()
            .Contain(d => d == "Writes the text representation of the specified Boolean value to the standard output stream.");
        }