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Print_server/Inspectron.Epson.Templates.Tests/Interpreter/InterpreterBindingTests.cs
2026-01-21 15:56:37 +01:00

133 lines
4.3 KiB
C#

using Inspectron.Epson.Templates.Configuration;
using Inspectron.Epson.Templates.Interpreter;
using Inspectron.Epson.Templates.Language;
using Inspectron.Epson.Templates.Language.Nodes;
namespace Inspectron.Epson.Templates.Tests.Interpreter;
public class InterpreterBindingTests
{
private readonly PrinterProfile _profile = new("test", "Test Printer", 48, 24, false);
private TemplateNode Parse(string source)
{
var lexer = new Lexer(source);
var parser = new Parser(lexer.Tokenize().Tokens);
return parser.Parse().Template;
}
[Fact]
public void Interpret_SimpleBinding_ResolvesValue()
{
var template = Parse("{Name}");
var interpreter = new TemplateInterpreter(_profile);
var commands = interpreter.Interpret(template, """{"Name": "John"}""");
Assert.Contains(commands, c => c.Text == "John");
}
[Fact]
public void Interpret_NestedBinding_ResolvesNestedValue()
{
var template = Parse("{Person.Name}");
var interpreter = new TemplateInterpreter(_profile);
var commands = interpreter.Interpret(template, """{"Person": {"Name": "Jane"}}""");
Assert.Contains(commands, c => c.Text == "Jane");
}
[Fact]
public void Interpret_NumericBinding_OutputsNumber()
{
var template = Parse("{Amount}");
var interpreter = new TemplateInterpreter(_profile);
var commands = interpreter.Interpret(template, """{"Amount": 42}""");
Assert.Contains(commands, c => c.Text == "42");
}
[Fact]
public void Interpret_NumericBinding_WithFormat_FormatsNumber()
{
var template = Parse("{Price:F2}");
var interpreter = new TemplateInterpreter(_profile);
var commands = interpreter.Interpret(template, """{"Price": 19.5}""");
Assert.Contains(commands, c => c.Text == "19.50");
}
[Fact]
public void Interpret_DateBinding_WithFormat_FormatsDate()
{
var template = Parse("{Date:dd-MMM-yy}");
var interpreter = new TemplateInterpreter(_profile);
var commands = interpreter.Interpret(template, """{"Date": "2024-03-15T14:30:00"}""");
var cmd = commands.FirstOrDefault(c => c.Text.Contains("Mar"));
Assert.NotNull(cmd);
Assert.Contains("15", cmd.Text);
}
[Fact]
public void Interpret_MissingBinding_OutputsEmptyString()
{
var template = Parse("{Missing}");
var interpreter = new TemplateInterpreter(_profile);
var commands = interpreter.Interpret(template, """{"Other": "value"}""");
Assert.Contains(commands, c => c.Text == "");
}
[Fact]
public void Interpret_NullBinding_OutputsEmptyString()
{
var template = Parse("{Value}");
var interpreter = new TemplateInterpreter(_profile);
var commands = interpreter.Interpret(template, """{"Value": null}""");
Assert.Contains(commands, c => c.Text == "");
}
[Fact]
public void Interpret_ArrayCountBinding_OutputsCount()
{
var template = Parse("{Items.count}");
var interpreter = new TemplateInterpreter(_profile);
var commands = interpreter.Interpret(template, """{"Items": [1, 2, 3, 4, 5]}""");
Assert.Contains(commands, c => c.Text == "5");
}
[Fact]
public void Interpret_BoolBinding_OutputsTrue()
{
var template = Parse("{Flag}");
var interpreter = new TemplateInterpreter(_profile);
var commands = interpreter.Interpret(template, """{"Flag": true}""");
Assert.Contains(commands, c => c.Text == "true");
}
[Fact]
public void Interpret_BoolBinding_OutputsFalse()
{
var template = Parse("{Flag}");
var interpreter = new TemplateInterpreter(_profile);
var commands = interpreter.Interpret(template, """{"Flag": false}""");
Assert.Contains(commands, c => c.Text == "false");
}
[Fact]
public void Interpret_BindingInStyledText_AppliesStyleToResolvedValue()
{
var template = Parse("#bold# {Name} #");
var interpreter = new TemplateInterpreter(_profile);
var commands = interpreter.Interpret(template, """{"Name": "Test"}""");
var cmd = commands.FirstOrDefault(c => c.Text.Contains("Test"));
Assert.NotNull(cmd);
Assert.True(cmd.IsBold);
}
}