diff --git a/src/renderer_test.zig b/src/renderer_test.zig
index 74a1b38..4b36c79 100644
--- a/src/renderer_test.zig
+++ b/src/renderer_test.zig
@@ -9,6 +9,8 @@ const Value = @import("context.zig").Value;
 const TemplateCache = @import("cache.zig").TemplateCache;
 
 test "renderer: literal + variável simples" {
+    std.debug.print("____________________________________________________\n", .{});
+    std.debug.print("\n1 - renderer: literal + variável simples\n\n", .{});
     const alloc = testing.allocator;
     var ctx = Context.init(alloc);
     defer ctx.deinit();
@@ -29,10 +31,14 @@ test "renderer: literal + variável simples" {
 
     try renderer.renderString(template, buf.writer(alloc));
 
+    // std.debug.print("OUTPUT:\n\n{s}\n", .{buf.items});
+
     try testing.expectEqualStrings("Olá, Mariana! Bem-vinda.", buf.items);
 }
 
 test "renderer: filtros + autoescape" {
+    std.debug.print("____________________________________________________\n", .{});
+    std.debug.print("\n2 - renderer: filtros + autoescape\n\n", .{});
     const alloc = testing.allocator;
     var ctx = Context.init(alloc);
     defer ctx.deinit();
@@ -62,10 +68,15 @@ test "renderer: filtros + autoescape" {
         \\Filtrado: maiusculo-e-slug
     ;
 
+
+    // std.debug.print("OUTPUT:\n\n{s}\n", .{buf.items});
+
     try testing.expectEqualStrings(expected, buf.items);
 }
 
 test "literal simples" {
+    std.debug.print("____________________________________________________\n", .{});
+    std.debug.print("\n3 - literal simples\n\n", .{});
     const alloc = testing.allocator;
     var ctx = Context.init(alloc);
     defer ctx.deinit();
@@ -82,10 +93,14 @@ test "literal simples" {
 
     try renderer.renderString(template, buf.writer(alloc));
 
+    // std.debug.print("OUTPUT:\n\n{s}\n", .{buf.items});
+
     try testing.expectEqualStrings("Texto literal com acentos: Olá, mundo!", buf.items);
 }
 
 test "variável com filtro encadeado e autoescape" {
+    std.debug.print("____________________________________________________\n", .{});
+    std.debug.print("\n4 - variável com filtro encadeado e autoescape\n\n", .{});
     const alloc = testing.allocator;
     var ctx = Context.init(alloc);
     defer ctx.deinit();
@@ -104,10 +119,14 @@ test "variável com filtro encadeado e autoescape" {
 
     try renderer.renderString(template, buf.writer(alloc));
 
+    // std.debug.print("OUTPUT:\n\n{s}\n", .{buf.items});
+
     try testing.expectEqualStrings("Resultado: EXEMPLO DE TEXTO", buf.items); // assume lower then upper
 }
 
 test "autoescape com safe" {
+    std.debug.print("____________________________________________________\n", .{});
+    std.debug.print("\n5 - autoescape com safe\n\n", .{});
     const alloc = testing.allocator;
     var ctx = Context.init(alloc);
     defer ctx.deinit();
@@ -126,10 +145,15 @@ test "autoescape com safe" {
 
     try renderer.renderString(template, buf.writer(alloc));
 
+    // std.debug.print("OUTPUT:\n\n{s}\n", .{buf.items});
+
     try testing.expectEqualStrings("Escape: &lt;div&gt;conteúdo&lt;/div&gt; | Safe: <div>conteúdo</div>", buf.items);
 }
 
+// TODO: evaluationConditions more complex
 test "renderer - if and for" {
+    std.debug.print("____________________________________________________\n", .{});
+    std.debug.print("\n6 - renderer - if and for\n\n", .{});
     const alloc = testing.allocator;
     var ctx = Context.init(alloc);
     defer ctx.deinit();
@@ -160,6 +184,8 @@ test "renderer - if and for" {
 
     try renderer.renderString(template, buf.writer(alloc));
 
+    // std.debug.print("OUTPUT:\n\n{s}\n", .{buf.items});
+
     try testing.expect(std.mem.indexOf(u8, buf.items, "Sim!") != null);
     try testing.expect(std.mem.indexOf(u8, buf.items, "Não") == null);
     try testing.expect(std.mem.indexOf(u8, buf.items, "- Ana") != null);
@@ -168,12 +194,15 @@ test "renderer - if and for" {
 }
 
 test "renderer - block and extends" {
+    std.debug.print("____________________________________________________\n", .{});
+    std.debug.print("\n7 - renderer - block and extends\n\n", .{});
     const alloc = testing.allocator;
     var ctx = Context.init(alloc);
     defer ctx.deinit();
 
     var cache = TemplateCache.init(alloc);
     defer cache.deinit();
+    cache.default_path = ".";
 
     const renderer = Renderer.init(&ctx, &cache);
 
@@ -220,7 +249,7 @@ test "renderer - block and extends" {
 
     const output = buf.items;
 
-    std.debug.print("OUTPUT:\n{s}\n", .{output});
+    // std.debug.print("OUTPUT:\n\n{s}\n", .{output});
 
     try testing.expect(std.mem.indexOf(u8, output, "<html>") != null);
     try testing.expect(std.mem.indexOf(u8, output, "Meu Título") != null);
@@ -230,12 +259,15 @@ test "renderer - block and extends" {
 }
 
 test "renderer - block and extends with super" {
+    std.debug.print("____________________________________________________\n", .{});
+    std.debug.print("\n8 - renderer - block and extends with super\n\n", .{});
     const alloc = testing.allocator;
     var ctx = Context.init(alloc);
     defer ctx.deinit();
 
     var cache = TemplateCache.init(alloc);
     defer cache.deinit();
+    cache.default_path = ".";
 
     const renderer = Renderer.init(&ctx, &cache);
 
@@ -284,7 +316,7 @@ test "renderer - block and extends with super" {
 
     const output = buf.items;
 
-    std.debug.print("{s}\n", .{output});
+    // std.debug.print("OUTPUT:\n\n{s}\n", .{buf.items});
 
     try testing.expect(std.mem.indexOf(u8, output, "<html>") != null);
     try testing.expect(std.mem.indexOf(u8, output, "Meu Título") != null);
@@ -294,6 +326,8 @@ test "renderer - block and extends with super" {
 }
 
 test "renderer - include" {
+    std.debug.print("____________________________________________________\n", .{});
+    std.debug.print("\n9 - renderer - include\n\n", .{});
     const alloc = testing.allocator;
 
     const header =
@@ -330,6 +364,7 @@ test "renderer - include" {
 
     var cache = TemplateCache.init(alloc);
     defer cache.deinit();
+    cache.default_path = ".";
 
     const renderer = Renderer.init(&ctx, &cache);
 
@@ -342,12 +377,16 @@ test "renderer - include" {
 
     const output = buf.items;
 
+    // std.debug.print("OUTPUT:\n\n{s}\n", .{buf.items});
+
     try testing.expect(std.mem.indexOf(u8, output, "<h1>Bem-vindo</h1>") != null);
     try testing.expect(std.mem.indexOf(u8, output, "Olá Lucas!") != null);
     try testing.expectEqualStrings(expected, output);
 }
 
 test "renderer - comment" {
+    std.debug.print("____________________________________________________\n", .{});
+    std.debug.print("\n10 - renderer - comment\n\n", .{});
     const alloc = testing.allocator;
 
     const template =
@@ -370,6 +409,7 @@ test "renderer - comment" {
 
     var cache = TemplateCache.init(alloc);
     defer cache.deinit();
+    cache.default_path = ".";
 
     const renderer = Renderer.init(&ctx, &cache);
 
@@ -382,6 +422,8 @@ test "renderer - comment" {
 
     const output = buf.items;
 
+    // std.debug.print("OUTPUT:\n\n{s}\n", .{buf.items});
+
     try testing.expect(std.mem.indexOf(u8, output, "Olá Lucas") != null);
     try testing.expect(std.mem.indexOf(u8, output, "Fim: Lucas") != null);
     try testing.expect(std.mem.indexOf(u8, output, "Isso é um comentário") == null);
@@ -390,54 +432,204 @@ test "renderer - comment" {
     try testing.expectEqualStrings(expected, output);
 }
 
-// FIX: comment inside block
-//
-// test "renderer - full template with extends, super, include, comment" {
-//     const alloc = testing.allocator;
-//
-//     const header = "<header>Bem-vindo</header>";
-//     const base =
-//         \\{% include "header.html" %}
-//         \\<main>
-//         \\  {% block content %}
-//         \\    Conteúdo padrão
-//         \\  {% endblock %}
-//         \\</main>
-//     ;
-//
-//     const child =
-//         \\{% extends "base.html" %}
-//         \\{% block content %}
-//         \\  {{ block.super }}
-//         \\  Conteúdo do filho
-//         \\  {% comment %} Isso não aparece {% endcomment %}
-//         \\{% endblock %}
-//     ;
-//
-//     try std.fs.cwd().writeFile(.{ .sub_path = "header.html", .data = header });
-//     try std.fs.cwd().writeFile(.{ .sub_path = "base.html", .data = base });
-//     try std.fs.cwd().writeFile(.{ .sub_path = "child.html", .data = child });
-//     defer std.fs.cwd().deleteFile("header.html") catch {};
-//     defer std.fs.cwd().deleteFile("base.html") catch {};
-//     defer std.fs.cwd().deleteFile("child.html") catch {};
-//
-//     var ctx = Context.init(alloc);
-//     defer ctx.deinit();
-//
-//     var cache = TemplateCache.init(alloc);
-//     defer cache.deinit();
-//
-//     const renderer = Renderer.init(&ctx, &cache);
-//
-//     var buf = std.ArrayList(u8){};
-//     defer buf.deinit(alloc);
-//
-//     try renderer.render("child.html", buf.writer(alloc));
-//
-//     const output = buf.items;
-//
-//     try testing.expect(std.mem.indexOf(u8, output, "<header>Bem-vindo</header>") != null);
-//     try testing.expect(std.mem.indexOf(u8, output, "Conteúdo padrão") != null);
-//     try testing.expect(std.mem.indexOf(u8, output, "Conteúdo do filho") != null);
-//     try testing.expect(std.mem.indexOf(u8, output, "Isso não aparece") == null);
-// }
+test "renderer - full template with extends, super, include, comment" {
+    std.debug.print("____________________________________________________\n", .{});
+    std.debug.print("\n11 - renderer - full template with extends, super, include, comment\n\n", .{});
+    const alloc = testing.allocator;
+
+    const header = "<header>Bem-vindo</header>";
+    const base =
+        \\{% include "header.html" %}
+        \\<main>
+        \\  {% block content %}
+        \\    Conteúdo padrão
+        \\  {% endblock %}
+        \\</main>
+    ;
+
+    const child =
+        \\{% extends "base.html" %}
+        \\{% block content %}
+        \\  {{ block.super }}
+        \\  Conteúdo do filho
+        \\  {% comment %} Isso não aparece {% endcomment %}
+        \\{% endblock %}
+        \\{% comment %} bazinga {% endcomment %}
+    ;
+
+    try std.fs.cwd().writeFile(.{ .sub_path = "header.html", .data = header });
+    try std.fs.cwd().writeFile(.{ .sub_path = "base.html", .data = base });
+    try std.fs.cwd().writeFile(.{ .sub_path = "child.html", .data = child });
+    defer std.fs.cwd().deleteFile("header.html") catch {};
+    defer std.fs.cwd().deleteFile("base.html") catch {};
+    defer std.fs.cwd().deleteFile("child.html") catch {};
+
+    var ctx = Context.init(alloc);
+    defer ctx.deinit();
+
+    var cache = TemplateCache.init(alloc);
+    defer cache.deinit();
+    cache.default_path = ".";
+
+    const renderer = Renderer.init(&ctx, &cache);
+
+    var buf = std.ArrayList(u8){};
+    defer buf.deinit(alloc);
+
+    try renderer.render("child.html", buf.writer(alloc));
+
+    const output = buf.items;
+    // std.debug.print("OUTPUT:\n\n{s}\n", .{output});
+
+    try testing.expect(std.mem.indexOf(u8, output, "<header>Bem-vindo</header>") != null);
+    try testing.expect(std.mem.indexOf(u8, output, "Conteúdo padrão") != null);
+    try testing.expect(std.mem.indexOf(u8, output, "Conteúdo do filho") != null);
+    try testing.expect(std.mem.indexOf(u8, output, "Isso não aparece") == null);
+}
+
+test "renderer - if inside block" {
+    std.debug.print("____________________________________________________\n", .{});
+    std.debug.print("\n12 - render - if inside block\n\n", .{});
+    const alloc = testing.allocator;
+
+    const base =
+        \\<main>
+        \\  {% block content %}
+        \\    Conteúdo padrão
+        \\  {% endblock %}
+        \\</main>
+    ;
+
+    const child =
+        \\{% extends "base.html" %}
+        \\{% block content %}
+        \\  {{ block.super }}
+        \\  Conteúdo do filho
+        \\{% if idade > 18 %}
+        \\  Idade: {{ idade }}
+        \\{% else %}
+        \\  Oops
+        \\{% endif %}
+        \\{% endblock %}
+    ;
+
+    try std.fs.cwd().writeFile(.{ .sub_path = "base.html", .data = base });
+    try std.fs.cwd().writeFile(.{ .sub_path = "child.html", .data = child });
+    defer std.fs.cwd().deleteFile("base.html") catch {};
+    defer std.fs.cwd().deleteFile("child.html") catch {};
+
+    var ctx = Context.init(alloc);
+    defer ctx.deinit();
+
+    var cache = TemplateCache.init(alloc);
+    defer cache.deinit();
+    cache.default_path = ".";
+
+    const renderer = Renderer.init(&ctx, &cache);
+
+    try ctx.set("idade", 23);
+
+    var buf = std.ArrayList(u8){};
+    defer buf.deinit(alloc);
+
+    try renderer.render("child.html", buf.writer(alloc));
+
+    const output = buf.items;
+
+    // std.debug.print("OUTPUT:\n\n{s}\n", .{output});
+
+    try testing.expect(std.mem.indexOf(u8, output, "Conteúdo padrão") != null);
+    try testing.expect(std.mem.indexOf(u8, output, "Conteúdo do filho") != null);
+    try testing.expect(std.mem.indexOf(u8, output, "Oops") == null);
+}
+
+test "renderer - if with operators" {
+    std.debug.print("____________________________________________________\n", .{});
+    std.debug.print("\n13 - render - if inside block\n\n", .{});
+
+    const alloc = testing.allocator;
+    var ctx = Context.init(alloc);
+    defer ctx.deinit();
+
+    var cache = TemplateCache.init(alloc);
+    defer cache.deinit();
+
+    const renderer = Renderer.init(&ctx, &cache);
+
+    try ctx.set("idade", Value{ .int = 20 });
+    try ctx.set("nome", Value{ .string = "Lucas" });
+    try ctx.set("ativo", Value{ .bool = true });
+    try ctx.set("order", 1);
+
+    const template =
+        \\{% if idade > 18 %}Maior{% endif %}
+        \\{% if idade < 18 %}Menor{% endif %}
+        \\{% if nome == "Lucas" %}Olá Lucas{% endif %}
+        \\{% if ativo %}Ativo{% endif %}
+        \\{% if order >= 2 %}High Order{% else %}Low Order{% endif %}
+    ;
+
+    var buf = std.ArrayList(u8){};
+    defer buf.deinit(alloc);
+
+    try renderer.renderString(template, buf.writer(alloc));
+
+    // std.debug.print("OUTPUT:\n\n{s}\n", .{buf.items});
+
+    try testing.expect(std.mem.indexOf(u8, buf.items, "Maior") != null);
+    try testing.expect(std.mem.indexOf(u8, buf.items, "Olá Lucas") != null);
+    try testing.expect(std.mem.indexOf(u8, buf.items, "Ativo") != null);
+    try testing.expect(std.mem.indexOf(u8, buf.items, "Menor") == null);
+    try testing.expect(std.mem.indexOf(u8, buf.items, "Low Order") != null);
+}
+
+test "renderer - widthratio inside block" {
+    std.debug.print("____________________________________________________\n", .{});
+    std.debug.print("\n14 - render - widthratio inside block\n\n", .{});
+    const alloc = testing.allocator;
+
+    const base =
+        \\<main>
+        \\  {% block content %}
+        \\    Conteúdo padrão
+        \\  {% endblock %}
+        \\</main>
+    ;
+
+    const child =
+        \\{% extends "base.html" %}
+        \\{% block content %}
+        \\  Conteúdo do filho
+        \\<img src="bar.png" alt="Bar" height="10" width="{% widthratio value 400 %}">
+        \\  {{ block.super }}
+        \\{% endblock %}
+    ;
+
+    try std.fs.cwd().writeFile(.{ .sub_path = "base.html", .data = base });
+    try std.fs.cwd().writeFile(.{ .sub_path = "child.html", .data = child });
+    defer std.fs.cwd().deleteFile("base.html") catch {};
+    defer std.fs.cwd().deleteFile("child.html") catch {};
+
+    var ctx = Context.init(alloc);
+    defer ctx.deinit();
+
+    var cache = TemplateCache.init(alloc);
+    defer cache.deinit();
+    cache.default_path = ".";
+
+    const renderer = Renderer.init(&ctx, &cache);
+
+    try ctx.set("value", 50);
+
+    var buf = std.ArrayList(u8){};
+    defer buf.deinit(alloc);
+
+    try renderer.render("child.html", buf.writer(alloc));
+
+    const output = buf.items;
+
+    // std.debug.print("OUTPUT:\n\n{s}\n", .{output});
+
+    try testing.expect(std.mem.indexOf(u8, output, "Conteúdo padrão") != null);
+    try testing.expect(std.mem.indexOf(u8, output, "Conteúdo do filho") != null);
+}