Joseph Doherty
87 lines
3.2 KiB
C#
87 lines
3.2 KiB
C#
using System.Security.Cryptography;
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using System.Text;
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using Microsoft.EntityFrameworkCore;
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using Shouldly;
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using Xunit;
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using ZB.MOM.WW.OtOpcUa.AdminUI.Uns;
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namespace ZB.MOM.WW.OtOpcUa.AdminUI.Tests.Uns;
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/// <summary>
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/// Verifies <see cref="UnsTreeService.CreateScriptAsync"/> — the create-new-script path the inline
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/// virtual-tag panel calls when no script is bound yet. A new <c>Script</c> row is inserted with a
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/// system-generated <c>SC-…</c> id (mirroring the Script-edit page convention), a blank source, a
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/// hash matching that blank source, and the <c>CSharp</c> language; the new id is returned via
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/// <see cref="UnsMutationResult.CreatedId"/> so the panel can bind the virtual tag to it. Two calls
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/// produce two distinct rows with distinct ids.
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/// </summary>
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[Trait("Category", "Unit")]
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public sealed class UnsTreeServiceCreateScriptTests
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{
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private static (UnsTreeService Service, string DbName) Fresh()
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{
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var dbName = $"uns-createscript-{Guid.NewGuid():N}";
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return (new UnsTreeService(UnsTreeTestDb.Factory(dbName)), dbName);
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}
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private static string HashOf(string source) =>
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Convert.ToHexStringLower(SHA256.HashData(Encoding.UTF8.GetBytes(source)));
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/// <summary>
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/// A create inserts exactly one Script row carrying a non-empty generated id, the expected blank
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/// source + matching hash, the CSharp language, and a name; the generated id is echoed back.
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/// </summary>
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[Fact]
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public async Task CreateScript_inserts_one_row_with_generated_id_and_blank_source()
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{
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var (service, dbName) = Fresh();
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var result = await service.CreateScriptAsync("my new script");
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result.Ok.ShouldBeTrue();
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result.Error.ShouldBeNull();
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result.CreatedId.ShouldNotBeNullOrWhiteSpace();
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result.CreatedId!.ShouldStartWith("SC-");
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using var db = UnsTreeTestDb.CreateNamed(dbName);
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db.Scripts.Count().ShouldBe(1);
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var script = db.Scripts.Single();
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script.ScriptId.ShouldBe(result.CreatedId);
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script.Name.ShouldBe("my new script");
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script.SourceCode.ShouldBe("");
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script.SourceHash.ShouldBe(HashOf(""));
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script.Language.ShouldBe("CSharp");
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}
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/// <summary>A whitespace/empty name falls back to a sensible non-empty default.</summary>
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[Fact]
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public async Task CreateScript_blank_name_uses_a_default_name()
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{
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var (service, dbName) = Fresh();
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var result = await service.CreateScriptAsync(" ");
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result.Ok.ShouldBeTrue();
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using var db = UnsTreeTestDb.CreateNamed(dbName);
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db.Scripts.Single().Name.ShouldNotBeNullOrWhiteSpace();
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}
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/// <summary>Two creates insert two rows with distinct, non-empty ids.</summary>
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[Fact]
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public async Task CreateScript_twice_produces_distinct_ids()
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{
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var (service, dbName) = Fresh();
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var first = await service.CreateScriptAsync("first");
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var second = await service.CreateScriptAsync("second");
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first.Ok.ShouldBeTrue();
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second.Ok.ShouldBeTrue();
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first.CreatedId.ShouldNotBe(second.CreatedId);
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using var db = UnsTreeTestDb.CreateNamed(dbName);
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db.Scripts.Count().ShouldBe(2);
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db.Scripts.Select(s => s.ScriptId).Distinct().Count().ShouldBe(2);
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}
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}
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