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Diffstat (limited to 'ThirdParty/CsvHelper-master/tests/CsvHelper.Tests/Reading/ReadHeaderTests.cs')
-rw-r--r-- | ThirdParty/CsvHelper-master/tests/CsvHelper.Tests/Reading/ReadHeaderTests.cs | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/ThirdParty/CsvHelper-master/tests/CsvHelper.Tests/Reading/ReadHeaderTests.cs b/ThirdParty/CsvHelper-master/tests/CsvHelper.Tests/Reading/ReadHeaderTests.cs new file mode 100644 index 0000000..a502db4 --- /dev/null +++ b/ThirdParty/CsvHelper-master/tests/CsvHelper.Tests/Reading/ReadHeaderTests.cs @@ -0,0 +1,166 @@ +// Copyright 2009-2022 Josh Close +// This file is a part of CsvHelper and is dual licensed under MS-PL and Apache 2.0. +// See LICENSE.txt for details or visit http://www.opensource.org/licenses/ms-pl.html for MS-PL and http://opensource.org/licenses/Apache-2.0 for Apache 2.0. +// https://github.com/JoshClose/CsvHelper +using System.Collections.Generic; +using System.Globalization; +using CsvHelper.Configuration; +using CsvHelper.Tests.Mocks; +using Xunit; + +namespace CsvHelper.Tests.Reading +{ + + public class ReadHeaderTests + { + [Fact] + public void ReadHeaderReadsHeaderTest() + { + var parser = new ParserMock + { + { "Id", "Name" }, + { "1", "One" }, + { "2", "two" }, + null + }; + + var csv = new CsvReader(parser); + csv.Read(); + csv.ReadHeader(); + + Assert.NotNull(csv.HeaderRecord); + Assert.Equal("Id", csv.HeaderRecord[0]); + Assert.Equal("Name", csv.HeaderRecord[1]); + } + + [Fact] + public void ReadHeaderDoesNotAffectCurrentRecordTest() + { + var parser = new ParserMock + { + { "Id", "Name" }, + { "1", "One" }, + { "2", "two" }, + null, + }; + + var csv = new CsvReader(parser); + csv.Read(); + csv.ReadHeader(); + + Assert.Equal("Id", csv.Parser[0]); + Assert.Equal("Name", csv.Parser[1]); + } + + [Fact] + public void ReadingHeaderFailsWhenReaderIsDoneTest() + { + var config = new CsvConfiguration(CultureInfo.InvariantCulture) + { + HasHeaderRecord = false, + }; + var parser = new ParserMock(config) + { + { "Id", "Name" }, + { "1", "One" }, + { "2", "two" }, + null, + }; + + var csv = new CsvReader(parser); + while (csv.Read()) { } + + Assert.Throws<ReaderException>(() => csv.ReadHeader()); + } + + [Fact] + public void ReadingHeaderFailsWhenNoHeaderRecordTest() + { + var config = new CsvConfiguration(CultureInfo.InvariantCulture) + { + HasHeaderRecord = false, + }; + var parser = new ParserMock(config) + { + { "Id", "Name" }, + { "1", "One" }, + { "2", "two" }, + null + }; + + var csv = new CsvReader(parser); + + Assert.Throws<ReaderException>(() => csv.ReadHeader()); + } + + [Fact] + public void ReadingHeaderDoesNotFailWhenHeaderAlreadyReadTest() + { + var parser = new ParserMock + { + { "Id", "Name" }, + { "1", "One" }, + { "2", "two" }, + null + }; + + var csv = new CsvReader(parser); + csv.Read(); + csv.ReadHeader(); + csv.ReadHeader(); + } + + [Fact] + public void ReadHeaderResetsNamedIndexesTest() + { + var parser = new ParserMock + { + { "Id", "Name" }, + { "Name", "Id" }, + }; + var csv = new CsvReader(parser); + csv.Read(); + csv.ReadHeader(); + + Assert.Equal(0, csv.GetFieldIndex("Id")); + Assert.Equal(1, csv.GetFieldIndex("Name")); + + csv.Read(); + csv.ReadHeader(); + + Assert.Equal(1, csv.GetFieldIndex("Id")); + Assert.Equal(0, csv.GetFieldIndex("Name")); + } + + [Fact] + public void MultipleReadHeaderCallsWorksWithNamedIndexCacheTest() + { + var parser = new ParserMock + { + { "Id", "Name", "Id", "Name" }, + { "1", "one", "2", "two" }, + { "Name", "Id", "Name", "Id" }, + { "three", "3", "four", "4" }, + }; + var csv = new CsvReader(parser); + + csv.Read(); + csv.ReadHeader(); + csv.Read(); + + Assert.Equal(1, csv.GetField<int>("Id")); + Assert.Equal("one", csv.GetField("Name")); + Assert.Equal(2, csv.GetField<int>("Id", 1)); + Assert.Equal("two", csv.GetField("Name", 1)); + + csv.Read(); + csv.ReadHeader(); + csv.Read(); + + Assert.Equal(3, csv.GetField<int>("Id")); + Assert.Equal("three", csv.GetField("Name")); + Assert.Equal(4, csv.GetField<int>("Id", 1)); + Assert.Equal("four", csv.GetField("Name", 1)); + } + } +} |