templates support

Inspectron.Epson.Templates.Tests/Interpreter/InterpreterTextTests.cs

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+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 InterpreterTextTests
+{
+    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_PlainText_OutputsText()
+    {
+        var template = Parse("Hello World");
+        var interpreter = new TemplateInterpreter(_profile);
+        var commands = interpreter.Interpret(template, "{}");
+
+        Assert.Contains(commands, c => c.Text == "Hello World");
+    }
+
+    [Fact]
+    public void Interpret_BoldStyle_SetsBoldFlag()
+    {
+        var template = Parse("#bold# text #");
+        var interpreter = new TemplateInterpreter(_profile);
+        var commands = interpreter.Interpret(template, "{}");
+
+        var cmd = commands.FirstOrDefault(c => c.Text.Contains("text"));
+        Assert.NotNull(cmd);
+        Assert.True(cmd.IsBold);
+    }
+
+    [Fact]
+    public void Interpret_BigStyle_SetsBigFlag()
+    {
+        var template = Parse("#big# text #");
+        var interpreter = new TemplateInterpreter(_profile);
+        var commands = interpreter.Interpret(template, "{}");
+
+        var cmd = commands.FirstOrDefault(c => c.Text.Contains("text"));
+        Assert.NotNull(cmd);
+        Assert.True(cmd.IsBig);
+    }
+
+    [Fact]
+    public void Interpret_TallStyle_SetsTallFlag()
+    {
+        var template = Parse("#tall# text #");
+        var interpreter = new TemplateInterpreter(_profile);
+        var commands = interpreter.Interpret(template, "{}");
+
+        var cmd = commands.FirstOrDefault(c => c.Text.Contains("text"));
+        Assert.NotNull(cmd);
+        Assert.True(cmd.IsTall);
+    }
+
+    [Fact]
+    public void Interpret_RedStyle_SetsRedFlag_WhenSupported()
+    {
+        var profileWithRed = new PrinterProfile("test", "Test", 48, 24, true);
+        var template = Parse("#red# text #");
+        var interpreter = new TemplateInterpreter(profileWithRed);
+        var commands = interpreter.Interpret(template, "{}");
+
+        var cmd = commands.FirstOrDefault(c => c.Text.Contains("text"));
+        Assert.NotNull(cmd);
+        Assert.True(cmd.IsRed);
+    }
+
+    [Fact]
+    public void Interpret_RedStyle_IgnoresRedFlag_WhenNotSupported()
+    {
+        var profileNoRed = new PrinterProfile("test", "Test", 48, 24, false);
+        var template = Parse("#red# text #");
+        var interpreter = new TemplateInterpreter(profileNoRed);
+        var commands = interpreter.Interpret(template, "{}");
+
+        var cmd = commands.FirstOrDefault(c => c.Text.Contains("text"));
+        Assert.NotNull(cmd);
+        Assert.False(cmd.IsRed);
+    }
+
+    [Fact]
+    public void Interpret_CenterStyle_CentersText()
+    {
+        var template = Parse("#center# Hi #");
+        var interpreter = new TemplateInterpreter(_profile);
+        var commands = interpreter.Interpret(template, "{}");
+
+        var cmd = commands.FirstOrDefault(c => c.Text.Contains("Hi"));
+        Assert.NotNull(cmd);
+        Assert.StartsWith(" ", cmd.Text);
+    }
+
+    [Fact]
+    public void Interpret_MultipleStyles_CombinesFlags()
+    {
+        var template = Parse("#bold,big,tall# text #");
+        var interpreter = new TemplateInterpreter(_profile);
+        var commands = interpreter.Interpret(template, "{}");
+
+        var cmd = commands.FirstOrDefault(c => c.Text.Contains("text"));
+        Assert.NotNull(cmd);
+        Assert.True(cmd.IsBold);
+        Assert.True(cmd.IsBig);
+        Assert.True(cmd.IsTall);
+    }
+
+    [Fact]
+    public void Interpret_DashSeparator_OutputsFullWidthLine()
+    {
+        var template = Parse("---");
+        var interpreter = new TemplateInterpreter(_profile);
+        var commands = interpreter.Interpret(template, "{}");
+
+        var cmd = commands.FirstOrDefault(c => c.Text.Contains('-'));
+        Assert.NotNull(cmd);
+        Assert.Equal(48, cmd.Text.Length);
+        Assert.True(cmd.Text.All(c => c == '-'));
+    }
+
+    [Fact]
+    public void Interpret_EqualsSeparator_OutputsFullWidthLine()
+    {
+        var template = Parse("===");
+        var interpreter = new TemplateInterpreter(_profile);
+        var commands = interpreter.Interpret(template, "{}");
+
+        var cmd = commands.FirstOrDefault(c => c.Text.Contains('='));
+        Assert.NotNull(cmd);
+        Assert.Equal(48, cmd.Text.Length);
+    }
+
+    [Fact]
+    public void Interpret_SpacingStyle_SetsLineSpacing()
+    {
+        var template = Parse("#spacing:50# text #");
+        var interpreter = new TemplateInterpreter(_profile);
+        var commands = interpreter.Interpret(template, "{}");
+
+        var cmd = commands.FirstOrDefault(c => c.Text.Contains("text"));
+        Assert.NotNull(cmd);
+        Assert.Equal(50, cmd.SetLineSpacing);
+    }
+}