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255 lines (239 loc) · 10.2 KB
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/*
* 2006 - 2018 Ted Spence, http://tedspence.com
* License: http://www.apache.org/licenses/LICENSE-2.0
* Home page: https://github.com/tspence/csharp-csv-reader
*/
using System;
using NUnit.Framework;
using CSVFile;
using System.Threading.Tasks;
// ReSharper disable StringLiteralTypo
namespace CSVTestSuite
{
[TestFixture]
public class AsyncReaderTest
{
[Test]
public async Task TestBasicReader()
{
var source = "Name,Title,Phone\n" +
"JD,Doctor,x234\n" +
"Janitor,Janitor,x235\n" +
"\"Dr. Reed, " + Environment.NewLine + "Eliot\",\"Private \"\"Practice\"\"\",x236\n" +
"Dr. Kelso,Chief of Medicine,x100";
// Skip header row
var settings = new CSVSettings()
{
HeaderRowIncluded = false,
LineSeparator = "\n",
};
// Convert into stream
using (var cr = CSVReader.FromString(source, settings))
{
var i = 0;
await foreach (var line in cr)
{
Assert.AreEqual(3, line.Length);
switch (i)
{
case 0:
Assert.AreEqual("Name", line[0]);
Assert.AreEqual("Title", line[1]);
Assert.AreEqual("Phone", line[2]);
break;
case 1:
Assert.AreEqual("JD", line[0]);
Assert.AreEqual("Doctor", line[1]);
Assert.AreEqual("x234", line[2]);
break;
case 2:
Assert.AreEqual("Janitor", line[0]);
Assert.AreEqual("Janitor", line[1]);
Assert.AreEqual("x235", line[2]);
break;
case 3:
Assert.AreEqual("Dr. Reed, " + Environment.NewLine + "Eliot", line[0]);
Assert.AreEqual("Private \"Practice\"", line[1]);
Assert.AreEqual("x236", line[2]);
break;
case 4:
Assert.AreEqual("Dr. Kelso", line[0]);
Assert.AreEqual("Chief of Medicine", line[1]);
Assert.AreEqual("x100", line[2]);
break;
default:
Assert.Fail("Should not get here");
break;
}
i++;
}
}
}
[Test]
public async Task TestDanglingFields()
{
var source = "Name,Title,Phone,Dangle\n" +
"JD,Doctor,x234,\n" +
"Janitor,Janitor,x235,\n" +
"\"Dr. Reed, " + Environment.NewLine + "Eliot\",\"Private \"\"Practice\"\"\",x236,\n" +
"Dr. Kelso,Chief of Medicine,x100,\n" +
",,,";
// Skip header row
var settings = new CSVSettings()
{
HeaderRowIncluded = false,
LineSeparator = "\n",
};
// Convert into stream
using (var cr = CSVReader.FromString(source, settings))
{
var i = 0;
await foreach (var line in cr)
{
Assert.AreEqual(4, line.Length);
switch (i)
{
case 0:
Assert.AreEqual("Name", line[0]);
Assert.AreEqual("Title", line[1]);
Assert.AreEqual("Phone", line[2]);
Assert.AreEqual("Dangle", line[3]);
break;
case 1:
Assert.AreEqual("JD", line[0]);
Assert.AreEqual("Doctor", line[1]);
Assert.AreEqual("x234", line[2]);
Assert.AreEqual("", line[3]);
break;
case 2:
Assert.AreEqual("Janitor", line[0]);
Assert.AreEqual("Janitor", line[1]);
Assert.AreEqual("x235", line[2]);
Assert.AreEqual("", line[3]);
break;
case 3:
Assert.AreEqual("Dr. Reed, " + Environment.NewLine + "Eliot", line[0]);
Assert.AreEqual("Private \"Practice\"", line[1]);
Assert.AreEqual("x236", line[2]);
Assert.AreEqual("", line[3]);
break;
case 4:
Assert.AreEqual("Dr. Kelso", line[0]);
Assert.AreEqual("Chief of Medicine", line[1]);
Assert.AreEqual("x100", line[2]);
Assert.AreEqual("", line[3]);
break;
case 5:
Assert.AreEqual("", line[0]);
Assert.AreEqual("", line[1]);
Assert.AreEqual("", line[2]);
Assert.AreEqual("", line[3]);
break;
default:
Assert.Fail("Should not get here");
break;
}
i++;
}
}
}
[Test]
public async Task TestAlternateDelimiterQualifiers()
{
var source = "Name\tTitle\tPhone\n" +
"JD\tDoctor\tx234\n" +
"Janitor\tJanitor\tx235\n" +
"\"Dr. Reed, " + Environment.NewLine + "Eliot\"\t\"Private \"\"Practice\"\"\"\tx236\n" +
"Dr. Kelso\tChief of Medicine\tx100";
// Convert into stream
var settings = new CSVSettings() { HeaderRowIncluded = true, FieldDelimiter = '\t', LineSeparator = "\n" };
using (var cr = CSVReader.FromString(source, settings))
{
Assert.AreEqual("Name", cr.Headers[0]);
Assert.AreEqual("Title", cr.Headers[1]);
Assert.AreEqual("Phone", cr.Headers[2]);
var i = 1;
await foreach (var line in cr)
{
switch (i)
{
case 1:
Assert.AreEqual("JD", line[0]);
Assert.AreEqual("Doctor", line[1]);
Assert.AreEqual("x234", line[2]);
break;
case 2:
Assert.AreEqual("Janitor", line[0]);
Assert.AreEqual("Janitor", line[1]);
Assert.AreEqual("x235", line[2]);
break;
case 3:
Assert.AreEqual("Dr. Reed, " + Environment.NewLine + "Eliot", line[0]);
Assert.AreEqual("Private \"Practice\"", line[1]);
Assert.AreEqual("x236", line[2]);
break;
case 4:
Assert.AreEqual("Dr. Kelso", line[0]);
Assert.AreEqual("Chief of Medicine", line[1]);
Assert.AreEqual("x100", line[2]);
break;
}
i++;
}
}
}
[Test]
public async Task TestChunking()
{
var source = "sep=\t\n" +
"Name\tTitle\tPhone\n" +
"JD\t\"Tallest doctor in the whole wide world\"\tx221\n" +
"Janitor\tJanitor\tx235\n" +
"\"Dr. Reed, " + Environment.NewLine + "Eliot\"\t\"Private \"\"Practice\"\"\"\tx236\n" +
"Dr. Kelso\tChief of Medicine\tx100";
// Convert into stream
var settings = new CSVSettings() {
AllowSepLine = true,
HeaderRowIncluded = true,
FieldDelimiter = '\t',
TextQualifier = '\"',
BufferSize = 10,
LineSeparator = "\n"
};
using (var cr = CSVReader.FromString(source, settings))
{
Assert.AreEqual("Name", cr.Headers[0]);
Assert.AreEqual("Title", cr.Headers[1]);
Assert.AreEqual("Phone", cr.Headers[2]);
var i = 1;
await foreach (var line in cr)
{
switch (i)
{
case 1:
Assert.AreEqual("JD", line[0]);
Assert.AreEqual("Tallest doctor in the whole wide world", line[1]);
Assert.AreEqual("x221", line[2]);
break;
case 2:
Assert.AreEqual("Janitor", line[0]);
Assert.AreEqual("Janitor", line[1]);
Assert.AreEqual("x235", line[2]);
break;
case 3:
Assert.AreEqual("Dr. Reed, " + Environment.NewLine + "Eliot", line[0]);
Assert.AreEqual("Private \"Practice\"", line[1]);
Assert.AreEqual("x236", line[2]);
break;
case 4:
Assert.AreEqual("Dr. Kelso", line[0]);
Assert.AreEqual("Chief of Medicine", line[1]);
Assert.AreEqual("x100", line[2]);
break;
}
i++;
}
}
}
}
}