104 lines
3.1 KiB
C#
104 lines
3.1 KiB
C#
using ScadaLink.CLI;
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namespace ScadaLink.CLI.Tests;
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[Collection("Console")]
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public class OutputFormatterTests
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{
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[Fact]
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public void WriteJson_WritesIndentedJson()
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{
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var writer = new StringWriter();
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Console.SetOut(writer);
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OutputFormatter.WriteJson(new { Name = "test", Value = 42 });
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var output = writer.ToString().Trim();
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Assert.Contains("\"name\"", output);
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Assert.Contains("\"value\": 42", output);
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Console.SetOut(new StreamWriter(Console.OpenStandardOutput()) { AutoFlush = true });
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}
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[Fact]
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public void WriteError_WritesToStdErr()
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{
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var writer = new StringWriter();
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Console.SetError(writer);
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OutputFormatter.WriteError("something went wrong", "ERR_CODE");
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var output = writer.ToString().Trim();
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Assert.Contains("something went wrong", output);
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Assert.Contains("ERR_CODE", output);
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Console.SetError(new StreamWriter(Console.OpenStandardError()) { AutoFlush = true });
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}
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[Fact]
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public void WriteTable_RendersHeadersAndRows()
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{
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var writer = new StringWriter();
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Console.SetOut(writer);
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var headers = new[] { "Id", "Name", "Status" };
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var rows = new List<string[]>
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{
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new[] { "1", "Alpha", "Active" },
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new[] { "2", "Beta", "Inactive" }
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};
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OutputFormatter.WriteTable(rows, headers);
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var output = writer.ToString();
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Assert.Contains("Id", output);
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Assert.Contains("Name", output);
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Assert.Contains("Status", output);
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Assert.Contains("Alpha", output);
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Assert.Contains("Beta", output);
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Assert.Contains("Inactive", output);
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Console.SetOut(new StreamWriter(Console.OpenStandardOutput()) { AutoFlush = true });
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}
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[Fact]
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public void WriteTable_EmptyRows_ShowsHeadersOnly()
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{
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var writer = new StringWriter();
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Console.SetOut(writer);
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var headers = new[] { "Id", "Name" };
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OutputFormatter.WriteTable(Array.Empty<string[]>(), headers);
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var output = writer.ToString();
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Assert.Contains("Id", output);
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Assert.Contains("Name", output);
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Console.SetOut(new StreamWriter(Console.OpenStandardOutput()) { AutoFlush = true });
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}
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[Fact]
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public void WriteTable_ColumnWidthsAdjustToContent()
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{
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var writer = new StringWriter();
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Console.SetOut(writer);
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var headers = new[] { "X", "LongColumnName" };
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var rows = new List<string[]>
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{
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new[] { "ShortValue", "Y" }
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};
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OutputFormatter.WriteTable(rows, headers);
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var lines = writer.ToString().Split(Environment.NewLine, StringSplitOptions.RemoveEmptyEntries);
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// Header line: "X" should be padded to at least "ShortValue" width
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Assert.True(lines.Length >= 2);
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// The "X" column header should be padded wider than 1 character
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var headerLine = lines[0];
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Assert.True(headerLine.IndexOf("LongColumnName") > 1);
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Console.SetOut(new StreamWriter(Console.OpenStandardOutput()) { AutoFlush = true });
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}
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}
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