Squashed commit of the following:

commit 688c5426e8793b808b9c75c9a19733af0a402fcb
Author: Serghei Cebotari <serghei@cebotari.ru>
Date:   Sun Jul 21 16:25:14 2024 +0300

    Switch to port 8080

commit c39249f6528ec76686a9382d1dc375c07d1d5044
Author: Serghei Cebotari <serghei@cebotari.ru>
Date:   Sun Jul 21 16:24:59 2024 +0300

    Switch to alpine image

commit 5318d7ec3f4f3d205549cf6732fa5b066a1d0a36
Author: Serghei Cebotari <serghei@cebotari.ru>
Date:   Sun Jul 21 15:40:14 2024 +0300

    Add docker

commit b6cd60a973da26bc92cf1fb45b4d2396b7ce56ea
Author: Serghei Cebotari <serghei@cebotari.ru>
Date:   Sun Jul 21 15:00:12 2024 +0300

    Delete asynchrony

commit 44a194e6d27312f3b8dd0b9c9c02d873e06e0b22
Author: Serghei Cebotari <serghei@cebotari.ru>
Date:   Sun Jul 21 14:59:29 2024 +0300

    Add Equals and GetHasCode methods overrides to ProductQuantity class

commit a274eadd313e12f11cc84d32e5030bbc5b187f8c
Author: Serghei Cebotari <serghei@cebotari.ru>
Date:   Sun Jul 21 14:58:37 2024 +0300

    Add parsers tests

commit 4f969e70d9716d8ddb4f4efedd466846289d7e2b
Author: Serghei Cebotari <serghei@cebotari.ru>
Date:   Sun Jul 21 14:57:55 2024 +0300

    Update product tests

commit 2485e20d0e93bed562f929055b6867dc2574a95b
Author: Serghei Cebotari <serghei@cebotari.ru>
Date:   Sat Jul 20 19:34:19 2024 +0300

    Implement Excel parser

commit 30f2e28c87a4d961c1f1fc48fbd72334905bf4ed
Author: Serghei Cebotari <serghei@cebotari.ru>
Date:   Sat Jul 20 16:58:35 2024 +0300

    Implement csv parser

commit 08e86b43c0829de341dc3d24fbe01aadbed2e173
Author: Serghei Cebotari <serghei@cebotari.ru>
Date:   Thu Jul 18 21:01:28 2024 +0300

    Edit port number

1 files changed, 48 insertions, 0 deletions

diff --git a/RhSolutions.SkuParser.Tests/ExcelParserTests.cs b/RhSolutions.SkuParser.Tests/ExcelParserTests.cs
new file mode 100644
index 0000000..83e95c1
--- /dev/null
+++ b/RhSolutions.SkuParser.Tests/ExcelParserTests.cs
@@ -0,0 +1,48 @@
+using RhSolutions.SkuParser.Services;
+
+namespace RhSolutions.SkuParser.Tests;
+
+public class ExcelParserTests
+{
+	private static readonly List<ProductQuantity> _expected = new()
+	{
+		new ProductQuantity() {Product= new Product() {Sku = "11303703100"}, Quantity = 2129.5},
+		new ProductQuantity() {Product= new Product() {Sku = "11303803100"}, Quantity = 503},
+		new ProductQuantity() {Product= new Product() {Sku = "11303903050"}, Quantity = 52},
+		new ProductQuantity() {Product= new Product() {Sku = "11080011001"}, Quantity = 2154},
+		new ProductQuantity() {Product= new Product() {Sku = "11080021001"}, Quantity = 134},
+		new ProductQuantity() {Product= new Product() {Sku = "11080031001"}, Quantity = 6},
+		new ProductQuantity() {Product= new Product() {Sku = "11080311001"}, Quantity = 462},
+		new ProductQuantity() {Product= new Product() {Sku = "11080611001"}, Quantity = 38},
+		new ProductQuantity() {Product= new Product() {Sku = "11080811001"}, Quantity = 24},
+		new ProductQuantity() {Product= new Product() {Sku = "11080831001"}, Quantity = 2},
+	};
+
+	[TestCase("simple.xlsx")]
+	[TestCase("simpleWithNames.xlsx")]
+	[TestCase("withHeader.xlsx")]
+	[TestCase("withHeaderAndGarbage.xlsx")]
+	[TestCase("twoTables.xlsx")]
+	[TestCase("rhSolutionsBsTable.xlsx")]
+	[TestCase("simpleWithFormulas.xlsx")]
+	public void XlsxTests(string filename)
+	{
+		var mockFile = FormFileUtil.GetMockFormFile(filename);
+		var parser = new ExcelParser();
+		var actual = parser.ParseProducts(mockFile.Object);
+		Assert.That(actual.Count, Is.EqualTo(_expected.Count()));
+		CollectionAssert.AllItemsAreInstancesOfType(actual, typeof(ProductQuantity));
+		CollectionAssert.AreEqual(_expected, actual);
+	}
+
+	[TestCase("simple.csv")]
+	public void CsvTests(string filename)
+	{
+		var mockFile = FormFileUtil.GetMockFormFile(filename);
+		var parser = new CsvParser();
+		var actual = parser.ParseProducts(mockFile.Object);
+		Assert.That(actual.Count, Is.EqualTo(_expected.Count()));
+		CollectionAssert.AllItemsAreInstancesOfType(actual, typeof(ProductQuantity));
+		CollectionAssert.AreEqual(_expected, actual);
+	}
+}