File naming stuff is (finally) centralized under AudioFileStorageExt

_Tests/FileManager.Tests/FileUtilityTests.cs

@@ -0,0 +1,93 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using Dinah.Core;
+using FileManager;
+using FluentAssertions;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+
+namespace FileUtilityTests
+{
+	[TestClass]
+	public class GetSafePath
+	{
+		[TestMethod]
+		public void null_path_throws() => Assert.ThrowsException<ArgumentNullException>(() => FileUtility.GetSafePath(null));
+
+		// needs separate method. middle null param not running correctly in TestExplorer when used in DataRow()
+		[TestMethod]
+		[DataRow("http://test.com/a/b/c", @"http\\test.com\a\b\c")]
+		public void null_replacement(string inStr, string outStr) => Tests(inStr, null, outStr);
+
+		[TestMethod]
+		// empty replacement
+		[DataRow("abc*abc.txt", "", "abcabc.txt")]
+		// non-empty replacement
+		[DataRow("abc*abc.txt", "ZZZ", "abcZZZabc.txt")]
+		// standardize slashes
+		[DataRow(@"a/b\c/d", "Z", @"a\b\c\d")]
+		// remove illegal chars
+		[DataRow("a*?:z.txt", "Z", "aZZZz.txt")]
+		// retain drive letter path colon
+		[DataRow(@"C:\az.txt", "Z", @"C:\az.txt")]
+		// replace all other colongs
+		[DataRow(@"a\b:c\d.txt", "ZZZ", @"a\bZZZc\d.txt")]
+		public void Tests(string inStr, string replacement, string outStr) => Assert.AreEqual(outStr, FileUtility.GetSafePath(inStr, replacement));
+	}
+
+	[TestClass]
+	public class GetSafeFileName
+	{
+		// needs separate method. middle null param not running correctly in TestExplorer when used in DataRow()
+		[TestMethod]
+		[DataRow("http://test.com/a/b/c", "httptest.comabc")]
+		public void url_null_replacement(string inStr, string outStr) => ReplacementTests(inStr, null, outStr);
+
+		[TestMethod]
+		// empty replacement
+		[DataRow("http://test.com/a/b/c", "", "httptest.comabc")]
+		// single char replace
+		[DataRow("http://test.com/a/b/c", "_", "http___test.com_a_b_c")]
+		// multi char replace
+		[DataRow("http://test.com/a/b/c", "!!!", "http!!!!!!!!!test.com!!!a!!!b!!!c")]
+		public void ReplacementTests(string inStr, string replacement, string outStr) => FileUtility.GetSafeFileName(inStr, replacement).Should().Be(outStr);
+	}
+
+	[TestClass]
+	public class GetSequenceFormatted
+	{
+		[TestMethod]
+		public void negative_partsPosition() => Assert.ThrowsException<ArgumentException>(()
+			=> FileUtility.GetSequenceFormatted(-1, 2)
+		);
+		[TestMethod]
+		public void zero_partsPosition() => Assert.ThrowsException<ArgumentException>(()
+			=> FileUtility.GetSequenceFormatted(0, 2)
+		);
+
+		[TestMethod]
+		public void negative_partsTotal() => Assert.ThrowsException<ArgumentException>(()
+			=> FileUtility.GetSequenceFormatted(2, -1)
+		);
+		[TestMethod]
+		public void zero_partsTotal() => Assert.ThrowsException<ArgumentException>(()
+			=> FileUtility.GetSequenceFormatted(2, 0)
+		);
+
+		[TestMethod]
+		public void partsPosition_greater_than_partsTotal() => Assert.ThrowsException<ArgumentException>(()
+			=> FileUtility.GetSequenceFormatted(2, 1)
+		);
+
+		[TestMethod]
+		// only part
+		[DataRow(1, 1, "1")]
+		// 2 digits
+		[DataRow(2, 90, "02")]
+		// 3 digits
+		[DataRow(2, 900, "002")]
+		public void Tests(int partsPosition, int partsTotal, string expected)
+			=> FileUtility.GetSequenceFormatted(partsPosition, partsTotal).Should().Be(expected);
+	}
+}