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https://github.com/esiur/esiur-dotnet.git
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comparision test brought here
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372
Tests/Serialization/ModelGenerator.cs
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372
Tests/Serialization/ModelGenerator.cs
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using System;
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using System.Buffers;
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using System.Collections.Generic;
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using System.Globalization;
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using System.Linq;
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#nullable enable
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namespace Esiur.Tests.Serialization;
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public static class ModelGenerator
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{
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public sealed class GenOptions
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{
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public int Lines { get; init; } = 20; // items count
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public int Attachments { get; init; } = 0; // 0..N
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public int AttachmentBytes { get; init; } = 0;// per attachment
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public int Payments { get; init; } = 1; // 0..N
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public bool IncludeV2Fields { get; init; } = false;
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public bool IncludeUnicode { get; init; } = true; // Arabic/emoji sprinkled in
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public int VariantPerLine { get; init; } = 1; // ad-hoc KV per line
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public Currency Currency { get; init; } = Currency.USD;
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public int RiskScores { get; set; } = 20;
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public int Seed { get; init; } = 12345;
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}
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public static BusinessDocument MakeBusinessDocument(GenOptions? options = null)
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{
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var opt = options ?? new GenOptions();
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var rng = new Random(opt.Seed);
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var seller = MakeParty(rng, opt.IncludeV2Fields, isSeller: true, opt.IncludeUnicode);
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var buyer = MakeParty(rng, opt.IncludeV2Fields, isSeller: false, opt.IncludeUnicode);
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var createdAt = DateTime.UtcNow.AddMinutes(-rng.Next(0, 60 * 24));
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var doc = new BusinessDocument
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{
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Header = new DocumentHeader
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{
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DocId = Guid.NewGuid().ToByteArray(),
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Type = (DocType)rng.Next(0, 4),
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Version = 1,
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CreatedAt = createdAt,
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UpdatedAt = null,
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Currency = opt.Currency,
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Notes = opt.IncludeUnicode ? SampleNoteUnicode(rng) : SampleNoteAscii(rng),
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Meta = new Dictionary<string, Variant>
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{
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["source"] = VStr("benchmark"),
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["region"] = VStr("ME"),
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["channel"] = VStr(rng.Next(0, 2) == 0 ? "online" : "pos"),
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}
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},
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Seller = seller,
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Buyer = buyer,
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Items = new LineItem[opt.Lines],
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Payments = opt.Payments > 0 ? new Payment[opt.Payments] : null,
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Attachments = opt.Attachments > 0 ? new Attachment[opt.Attachments] : null,
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RiskScores = RandomRiskScores(rng, opt.RiskScores),
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//RelatedDocs_v2 = opt.IncludeV2Fields ? new List<Guid> { Guid.NewGuid(), Guid.NewGuid() } : null
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};
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doc.Header.MetaValues = doc.Header.Meta.Values.ToArray();
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doc.Header.MetaKeys = doc.Header.Meta.Keys.ToArray();
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// Items
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for (int i = 0; i < opt.Lines; i++)
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doc.Items[i] = MakeLineItem(rng, i + 1, opt.IncludeV2Fields, opt.VariantPerLine, opt.IncludeUnicode);
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// Payments
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if (doc.Payments != null)
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{
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var grand = doc.Items.Sum(L => L.UnitPrice * L.Qty * (double)(1.0 - (L.Discount ?? 0.0) / 100.0));
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var remain = grand;
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for (int i = 0; i < opt.Payments; i++)
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{
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var last = (i == opt.Payments - 1);
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var amt = last ? remain : RoundMoney((double)rng.NextDouble() * remain * 0.7 + 1.0);
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remain = Math.Max(0.0, remain - amt);
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doc.Payments[i] = MakePayment(rng, amt, opt.IncludeV2Fields);
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}
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}
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// Attachments
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if (doc.Attachments != null)
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{
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for (int i = 0; i < opt.Attachments; i++)
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doc.Attachments[i] = MakeAttachment(rng, i, opt.AttachmentBytes);
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}
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return doc;
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}
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/// <summary>
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/// Create a slightly modified copy of an existing document to test delta/partial updates.
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/// Changes: tweak 5–10% of line items (qty/price), add or edit a payment, and bump UpdatedAt.
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/// </summary>
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public static BusinessDocument MakeDelta(BusinessDocument v1, int seed, double changeRatio = 0.07)
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{
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var rng = new Random(seed);
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var v2 = DeepClone(v1);
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v2.Header.UpdatedAt = DateTime.UtcNow;
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var toChange = Math.Max(1, (int)Math.Round(v2.Items.Length * changeRatio));
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// change random lines
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for (int i = 0; i < toChange; i++)
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{
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var idx = rng.Next(0, v2.Items.Length);
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var li = v2.Items[idx];
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li.Qty = RoundQty(li.Qty + (double)(rng.NextDouble() * 2.0 - 1.0)); // ±1
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li.UnitPrice = RoundMoney(li.UnitPrice * (double)(0.95 + rng.NextDouble() * 0.1)); // ±5%
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if (li.Ext == null) li.Ext = new Dictionary<string, Variant>();
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li.Ext["lastEdit"] = VDate(DateTime.UtcNow);
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li.ExtKeys = li.Ext.Keys.ToArray();
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li.ExtValues = li.Ext.Values.ToArray();
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}
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if (v2.Payments == null || rng.Next(0, 3) == 0)
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{
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if (v2.Payments == null)
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{
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if (v2.Payments == null) v2.Payments = new Payment[1];
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v2.Payments[0] = (MakePayment(rng, RoundMoney((double)rng.NextDouble() * 50.0 + 10.0), includeV2: true));
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}
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else
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{
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v2.Payments = v2.Payments.Append((MakePayment(rng, RoundMoney((double)rng.NextDouble() * 50.0 + 10.0), includeV2: true))).ToArray();
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}
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}
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else
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{
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var p = v2.Payments[rng.Next(0, v2.Payments.Length)];
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p.Fee = (p.Fee ?? 0.0) + 0.25;
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p.Reference = "ADJ-" + rng.Next(10000, 99999).ToString(CultureInfo.InvariantCulture);
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}
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return v2;
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}
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// -------------------------- Builders --------------------------
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private static int[] RandomRiskScores(Random rng, int count)
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{
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var rt = new int[count];// rng.Next(100, 1000)];
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for (var i = 0; i < rt.Length; i++)
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rt[i] = (int)rng.Next();
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return rt;
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}
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private static Party MakeParty(Random rng, bool includeV2, bool isSeller, bool unicode)
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{
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return new Party
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{
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Id = (ulong)rng.NextInt64(), //Guid.NewGuid().ToByteArray(),
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Name = unicode ? (isSeller ? "Delta Systems — دلتا" : "Client التجربة ✅") : (isSeller ? "Delta Systems" : "Client Demo"),
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TaxId = isSeller ? $"TX-{rng.Next(100000, 999999)}" : null,
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Email = (isSeller ? "sales" : "contact") + "@example.com",
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Phone = "+964-7" + rng.Next(100000000, 999999999).ToString(CultureInfo.InvariantCulture),
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Address = new Address
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{
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Line1 = rng.Next(0, 2) == 0 ? "Street 14" : "Tech Park",
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City = "Baghdad",
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Region = "BG",
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Country = "IQ",
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PostalCode = rng.Next(0, 2) == 0 ? "10001" : null
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},
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PreferredLanguage = includeV2 ? (rng.Next(0, 2) == 0 ? "ar-IQ" : "en-US") : null
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};
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}
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private static LineItem MakeLineItem(Random rng, int lineNo, bool includeV2, int variantKvp, bool unicode)
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{
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var isProduct = rng.Next(0, 100) < 80;
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var desc = unicode
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? (isProduct ? $"وحدة قياس — Item {lineNo} 🔧" : $"خدمة دعم — Service {lineNo} ✨")
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: (isProduct ? $"Item {lineNo}" : $"Service {lineNo}");
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var li = new LineItem
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{
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LineNo = lineNo,
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Type = isProduct ? LineType.Product : LineType.Service,
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SKU = isProduct ? ("SKU-" + rng.Next(1000, 9999)) : "",
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Description = desc,
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Qty = RoundQty((double)(rng.NextDouble() * 9.0 + 1.0)), // 1..10
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QtyUnit = isProduct ? "pcs" : "h",
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UnitPrice = RoundMoney((double)(rng.NextDouble() * 90.0 + 10.0)),
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VatRate = rng.Next(0, 100) < 80 ? 5.0 : (double?)null,
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Ext = variantKvp > 0 ? new Dictionary<string, Variant>() : null,
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Discount= includeV2 && rng.Next(0, 3) == 0 ? Math.Round(rng.NextDouble() * 10.0, 2) : (double?)null
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};
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if (li.Ext != null)
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{
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li.ExtKeys = li.Ext.Keys.ToArray();
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li.ExtValues = li.Ext.Values.ToArray();
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}
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for (int i = 0; i < variantKvp; i++)
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{
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var key = i switch { 0 => "color", 1 => "size", 2 => "batch", _ => "attr" + i };
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li.Ext!.TryAdd(key, i switch
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{
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0 => VStr(rng.Next(0, 3) switch { 0 => "red", 1 => "blue", _ => "green" }),
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1 => VStr(rng.Next(0, 3) switch { 0 => "S", 1 => "M", _ => "L" }),
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2 => VGuid(Guid.NewGuid()),
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_ => VInt(rng.Next(0, 1000))
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});
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}
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li.ExtValues = li.Ext.Values.ToArray();
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li.ExtKeys = li.Ext.Keys.ToArray();
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return li;
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}
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private static Payment MakePayment(Random rng, double amount, bool includeV2)
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{
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var p = new Payment
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{
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Method = (PaymentMethod)rng.Next(0, 5),
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Amount = RoundMoney(amount),
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Reference = "REF-" + rng.Next(100_000, 999_999),
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Timestamp = DateTime.UtcNow.AddMinutes(-rng.Next(0, 60 * 24)),
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Fee = includeV2 && rng.Next(0, 2) == 0 ? RoundMoney((double)rng.NextDouble() * 2.0) : null,
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//CurrencyOverride = includeV2 && rng.Next(0, 2) == 0 ? Currency.IQD : Currency.USD
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};
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p.TimestampAsLong = p.Timestamp.Ticks;
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return p;
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}
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private static Attachment MakeAttachment(Random rng, int index, int bytes)
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{
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var arr = bytes > 0 ? new byte[bytes] : Array.Empty<byte>();
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if (arr.Length > 0) rng.NextBytes(arr);
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return new Attachment
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{
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Name = $"att-{index + 1}.bin",
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MimeType = "application/octet-stream",
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Data = arr
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};
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}
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private static string SampleNoteUnicode(Random rng)
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=> rng.Next(0, 2) == 0
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? "ملاحظة: تم إنشاء هذا المستند لأغراض الاختبار 📦"
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: "Note: synthetic benchmark document 🧪";
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private static string SampleNoteAscii(Random rng)
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=> rng.Next(0, 2) == 0 ? "Note: synthetic benchmark document" : "Internal use only";
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// -------------------------- Variant helpers --------------------------
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private static Variant VStr(string s) => new() { Tag = Variant.Kind.String, Str = s };
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private static Variant VInt(int v) => new() { Tag = Variant.Kind.Int64, I64 = v };
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private static Variant VGuid(Guid g) => new() { Tag = Variant.Kind.Guid, Guid = g.ToByteArray() };
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private static Variant VDate(DateTime d) => new() { Tag = Variant.Kind.DateTime, Dt = d, DtAsLong = d.Ticks };
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// -------------------------- Utils --------------------------
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private static double RoundMoney(double v) => Math.Round(v, 2, MidpointRounding.AwayFromZero);
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private static double RoundQty(double v) => Math.Round(v, 3, MidpointRounding.AwayFromZero);
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/// <summary>
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/// Simple deep clone via manual copy to stay serializer-agnostic.
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/// (Good enough for benchmarks; switch to a fast serializer if you like.)
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/// </summary>
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private static BusinessDocument DeepClone(BusinessDocument s)
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{
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var d = new BusinessDocument
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{
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Header = new DocumentHeader
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{
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DocId = s.Header.DocId,
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Type = s.Header.Type,
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Version = s.Header.Version,
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CreatedAt = s.Header.CreatedAt,
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UpdatedAt = s.Header.UpdatedAt,
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//CreatedAtAsLong = s.Header.CreatedAtAsLong,
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//UpdatedAtAsLong = s.Header.UpdatedAtAsLong,
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Currency = s.Header.Currency,
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Notes = s.Header.Notes,
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Meta = s.Header.Meta?.ToDictionary(kv => kv.Key, kv => CloneVariant(kv.Value)),
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MetaKeys = s.Header.MetaKeys.ToArray(),
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MetaValues = s.Header.MetaValues.ToArray(),
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},
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Seller = CloneParty(s.Seller),
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Buyer = CloneParty(s.Buyer),
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Items = s.Items.Select(CloneLine).ToArray(),
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Payments = s.Payments?.Select(ClonePayment).ToArray(),
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Attachments = s.Attachments?.Select(CloneAttachment).ToArray(),
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RiskScores = s.RiskScores,
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//RelatedDocs_v2 = s.RelatedDocs_v2?.ToList()
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};
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return d;
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}
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private static Party CloneParty(Party p) => new()
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{
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Id = p.Id,
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Name = p.Name,
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TaxId = p.TaxId,
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Email = p.Email,
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Phone = p.Phone,
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Address = p.Address is null ? null : new Address
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{
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Line1 = p.Address.Line1,
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Line2 = p.Address.Line2,
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City = p.Address.City,
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Region = p.Address.Region,
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Country = p.Address.Country,
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PostalCode = p.Address.PostalCode
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},
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PreferredLanguage = p.PreferredLanguage
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};
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private static LineItem CloneLine(LineItem s) => new()
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{
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LineNo = s.LineNo,
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Type = s.Type,
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SKU = s.SKU,
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Description = s.Description,
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Qty = s.Qty,
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QtyUnit = s.QtyUnit,
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UnitPrice = s.UnitPrice,
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VatRate = s.VatRate,
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Ext = s.Ext?.ToDictionary(kv => kv.Key, kv => CloneVariant(kv.Value)),
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Discount = s.Discount,
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ExtKeys = s.Ext?.Keys.ToArray(),
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ExtValues = s.Ext?.Values.ToArray(),
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};
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private static Payment ClonePayment(Payment s) => new()
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{
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Method = s.Method,
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Amount = s.Amount,
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Reference = s.Reference,
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Timestamp = s.Timestamp,
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TimestampAsLong = s.TimestampAsLong,
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Fee = s.Fee,
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//CurrencyOverride= s.CurrencyOverride
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};
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private static Attachment CloneAttachment(Attachment s) => new()
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{
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Name = s.Name,
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MimeType = s.MimeType,
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Data = s.Data.ToArray()
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};
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private static Variant CloneVariant(Variant v) => new()
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{
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Tag = v.Tag,
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Bool = v.Bool,
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I64 = v.I64,
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U64 = v.U64,
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F64 = v.F64,
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//Dec = v.Dec,
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Str = v.Str,
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Bytes = v.Bytes?.ToArray(),
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Dt = v.Dt,
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DtAsLong = v.DtAsLong,
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Guid = v.Guid
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};
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}
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Block a user