TourMonitor: мониторинг цен туров Level.Travel

2026-08-06 19:47:16 +03:00
commit 98224c7a9f
37 changed files with 3349 additions and 0 deletions
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+using TourMonitor.Notifications;
+
+namespace TourMonitor.Tests;
+
+public class ReportBuilderTests
+{
+    private static ReportLine Line(
+        int hotelId = 9099454,
+        string dateFrom = "2026-08-20",
+        int price = 475_447,
+        string meal = "AI",
+        string roomName = "Полулюкс",
+        string operatorName = "Level.Travel",
+        string link = "/package_details/offer-1",
+        int? previous = null,
+        int? historicalMin = null) =>
+        new(hotelId, dateFrom, price, meal, roomName, operatorName, link, previous, historicalMin);
+
+    [Fact]
+    public void BuildHotelSection_GroupsByMonth_ShowsTopPricesPerMonth()
+    {
+        var lines = new[]
+        {
+            Line(dateFrom: "2026-08-30", price: 520_000),
+            Line(dateFrom: "2026-08-20", price: 475_447),
+            Line(dateFrom: "2026-09-02", price: 501_000),
+            Line(dateFrom: "2026-09-03", price: 490_000),
+        };
+
+        var section = ReportBuilder.BuildHotelSection("Sunrise Tucana Resort", 2, lines);
+
+        Assert.NotNull(section);
+        Assert.Contains("Sunrise Tucana Resort", section);
+        Assert.Contains("<b>Август</b>", section);
+        Assert.Contains("<b>Сентябрь</b>", section);
+        Assert.Contains("20.08", section);
+        Assert.Contains("30.08", section);
+        Assert.Contains("03.09", section);
+        Assert.Contains("02.09", section);
+
+        var months = section.Split("\n📅 <b>");
+        Assert.Equal(3, months.Length); // отель + Август + Сентябрь
+        Assert.Equal(2, months[1].Split("\n   📅 ").Length - 1); // Август — 2 дешёвых
+        Assert.Equal(2, months[2].Split("\n   📅 ").Length - 1); // Сентябрь — 2 дешёвых
+    }
+
+    [Fact]
+    public void BuildHotelSection_TakesNoMoreThanPricesPerMonth_WithinEachMonth()
+    {
+        var lines = new[]
+        {
+            Line(dateFrom: "2026-08-10", price: 500_000),
+            Line(dateFrom: "2026-08-11", price: 510_000),
+            Line(dateFrom: "2026-08-12", price: 520_000),
+            Line(dateFrom: "2026-08-13", price: 530_000),
+        };
+
+        var section = ReportBuilder.BuildHotelSection("Sunrise Tucana Resort", 2, lines);
+
+        Assert.NotNull(section);
+        Assert.Contains("<b>Август</b>", section);
+        Assert.Contains("10.08", section);
+        Assert.Contains("11.08", section);
+        Assert.DoesNotContain("12.08", section);
+        Assert.DoesNotContain("13.08", section);
+    }
+
+    [Fact]
+    public void DescribeDelta_ShowsDrop_WithPercentage()
+    {
+        var line = Line(price: 475_447, previous: 540_000);
+
+        var section = ReportBuilder.BuildHotelSection("Sunrise Tucana Resort", 5, new[] { line });
+
+        Assert.Contains("🔻 −12% (было 540\u00A0000 ₽)", section);
+    }
+
+    [Fact]
+    public void DescribeDelta_ShowsNoChange_WhenPricesEqual()
+    {
+        var line = Line(price: 475_447, previous: 475_447);
+
+        var section = ReportBuilder.BuildHotelSection("Sunrise Tucana Resort", 5, new[] { line });
+
+        Assert.Contains("= (без изменений)", section);
+    }
+
+    [Fact]
+    public void DescribeDelta_MarksNewMinimum()
+    {
+        var line = Line(price: 410_000, previous: 420_000, historicalMin: 415_000);
+
+        var section = ReportBuilder.BuildHotelSection("Sunrise Tucana Resort", 5, new[] { line });
+
+        Assert.Contains("✨ новая минималка", section);
+    }
+
+    [Fact]
+    public void DescribeDelta_OmitsDelta_WhenNoPrevious()
+    {
+        var line = Line(previous: null);
+
+        var section = ReportBuilder.BuildHotelSection("Sunrise Tucana Resort", 5, new[] { line });
+
+        Assert.DoesNotContain("было", section);
+        Assert.DoesNotContain("🔻", section);
+        Assert.DoesNotContain("🔺", section);
+    }
+
+    [Fact]
+    public void BuildHotelSection_ReturnsNull_WhenNoData()
+    {
+        Assert.Null(ReportBuilder.BuildHotelSection("Sunrise Tucana Resort", 5, Array.Empty<ReportLine>()));
+    }
+
+    [Fact]
+    public void Build_IncludesHeader_AndOnlyNonEmptySections()
+    {
+        var sections = ReportBuilder.Build(
+            "📊 <b>Мониторинг туров</b> · 9 ночей, 2+1 чел",
+            5,
+            new[] { (9099454, "Sunrise Tucana Resort"), (9151153, "Posh Club By Sunrise Tucana Resort") },
+            new[] { Line(hotelId: 9099454) });
+
+        Assert.NotNull(sections);
+        Assert.Contains("Мониторинг туров", sections);
+        Assert.Contains("Sunrise Tucana Resort", sections);
+        Assert.DoesNotContain("Posh Club", sections);
+    }
+
+    [Fact]
+    public void Build_ReturnsNull_WhenNoLines()
+    {
+        var result = ReportBuilder.Build(
+            "header", 5,
+            new[] { (9099454, "Sunrise Tucana Resort") },
+            Array.Empty<ReportLine>());
+
+        Assert.Null(result);
+    }
+
+    [Fact]
+    public void Html_SpecialCharacters_AreEscaped()
+    {
+        var line = Line(roomName: "Стандарт <b>x</b>", operatorName: "ANEX & Co");
+
+        var section = ReportBuilder.BuildHotelSection("Sunrise <i>Tucana</i>", 5, new[] { line });
+
+        Assert.Contains("Sunrise &lt;i&gt;Tucana&lt;/i&gt;", section);
+        Assert.Contains("Стандарт &lt;b&gt;x&lt;/b&gt;", section);
+        Assert.Contains("ANEX &amp; Co", section);
+    }
+
+    [Fact]
+    public void RoomName_IsLinked_InsteadOfReserveLink()
+    {
+        var line = Line(link: "/package_details/offer-1?hotel_id=9099454", roomName: "Делюкс с видом на сад");
+
+        var section = ReportBuilder.BuildHotelSection("Sunrise Tucana Resort", 5, new[] { line });
+
+        Assert.Contains("https://level.travel/package_details/offer-1?hotel_id=9099454", section);
+        Assert.Contains("<a href=\"https://level.travel/package_details/offer-1?hotel_id=9099454\">Делюкс с видом на сад</a>", section);
+        Assert.DoesNotContain("забронировать", section);
+        Assert.DoesNotContain("🔗", section);
+    }
+
+    [Fact]
+    public void RoomName_IsNotLinked_WhenLinkEmpty()
+    {
+        var line = Line(link: "", roomName: "Делюкс с видом на сад");
+
+        var section = ReportBuilder.BuildHotelSection("Sunrise Tucana Resort", 5, new[] { line });
+
+        Assert.Contains("🍽 AI · Делюкс с видом на сад · Level.Travel", section);
+        Assert.DoesNotContain("<a href=", section);
+    }
+
+    [Fact]
+    public void BuildMessages_SplitsHotelsIntoSeparateMessages()
+    {
+        var messages = ReportBuilder.BuildMessages(
+            "📊 <b>Мониторинг туров</b>",
+            10,
+            new[] { (9099454, "Sunrise Tucana Resort"), (9151153, "Posh Club By Sunrise Tucana Resort") },
+            new[]
+            {
+                Line(hotelId: 9099454, price: 400000),
+                Line(hotelId: 9151153, price: 500000),
+            });
+
+        Assert.NotNull(messages);
+        Assert.Equal(2, messages.Count);
+        Assert.Contains("Мониторинг туров", messages[0]);
+        Assert.Contains("Sunrise Tucana Resort", messages[0]);
+        Assert.DoesNotContain("Posh Club", messages[0]);
+        Assert.Contains("Posh Club By Sunrise Tucana Resort", messages[1]);
+        Assert.DoesNotContain("Мониторинг туров", messages[1]);
+    }
+
+    [Fact]
+    public void BuildMessages_ReturnsNull_WhenNoLines()
+    {
+        var messages = ReportBuilder.BuildMessages(
+            "header", 10,
+            new[] { (9099454, "Sunrise Tucana Resort") },
+            Array.Empty<ReportLine>());
+
+        Assert.Null(messages);
+    }
+
+    [Fact]
+    public void BuildHotelSection_WithCalendarUrl_AddsCalendarLink_RightAfterHotelName()
+    {
+        var section = ReportBuilder.BuildHotelSection(
+            "Sunrise Tucana Resort", 5, new[] { Line(price: 400000) },
+            calendarUrl: "http://192.168.1.6:8084/prices/9099454");
+
+        Assert.Contains("календарь цен", section);
+        Assert.Contains("http://192.168.1.6:8084/prices/9099454", section);
+        Assert.Contains("Sunrise Tucana Resort</b>\n🗓 <a href=", section);
+        Assert.True(section.IndexOf("🗓") < section.IndexOf("📅 <b>"));
+    }
+
+    [Fact]
+    public void BuildHotelSection_WithoutCalendarUrl_HasNoCalendarLink()
+    {
+        var section = ReportBuilder.BuildHotelSection("Sunrise Tucana Resort", 5, new[] { Line(price: 400000) });
+
+        Assert.DoesNotContain("календарь цен", section);
+    }
+
+    [Fact]
+    public void SplitMessage_ChunksOversizedTextAtLineBoundaries()
+    {
+        var lines = Enumerable.Range(0, 50).Select(i => $"📅 10.10 — 475 447 ₽\n    🍽 AI · Полулюкс · Level.Travel").ToList();
+        var text = string.Join("\n", lines);
+
+        var chunks = ReportBuilder.SplitMessage(text, maxLength: 500).ToList();
+
+        Assert.True(chunks.Count > 1);
+        Assert.All(chunks, c => Assert.True(c.Length <= 500));
+        Assert.Equal(text, string.Join("\n", chunks));
+    }
+}