Fix remaining RuboCop FormulaAudit offenses in example code

docs/Adding-Software-to-Homebrew.md

@@ -175,13 +175,13 @@ This will open `EDITOR` with a template for your new cask, to be stored in the f
 
 ```ruby
 cask "my-new-cask" do
-  version ""
-  sha256 ""
+  version "fill in the version here"
+  sha256 "fill in the sha256 here"
 
   url "download-url"
-  name ""
-  desc ""
-  homepage ""
+  name "fill in the name"
+  desc "Fill in the description here"
+  homepage "fill in the homepage here"
 
   livecheck do
     url ""

docs/Formula-Cookbook.md

@@ -66,11 +66,11 @@ This creates `$(brew --repository)/Library/Taps/homebrew/homebrew-core/Formula/f
 
 ```ruby
 class Foo < Formula
-  desc ""
-  homepage ""
+  desc "Fill in a one-line description of your formula"
+  homepage "https://your.homepage/"
   url "https://example.com/foo-0.1.tar.gz"
   sha256 "85cc828a96735bdafcf29eb6291ca91bac846579bcef7308536e0c875d6c81d7"
-  license ""
+  license "Fill in a license identifier"
 
   # depends_on "cmake" => :build
 
@@ -145,6 +145,9 @@ Special exceptions are OpenSSL and LibreSSL. Things that use either *should* be
 
 ```ruby
 class Foo < Formula
+  desc "Example formula"
+  homepage "https://example.com"
+
   depends_on "httpd" => [:build, :test]
   depends_on xcode: ["9.3", :build]
   depends_on arch: :x86_64
@@ -153,6 +156,8 @@ class Foo < Formula
   depends_on "pkg-config"
   depends_on "readline" => :recommended
   depends_on "gtk+" => :optional
+
+  # ...
 end
 ```
 
@@ -284,6 +289,10 @@ If all else fails, you'll want to use [`resource`](https://rubydoc.brew.sh/Formu
 
 ```ruby
 class Foo < Formula
+  desc "Example formula"
+  homepage "https://example.com"
+  url "https://example.com/foo-1.0.tar.gz"
+
   resource "pycrypto" do
     url "https://files.pythonhosted.org/packages/60/db/645aa9af249f059cc3a368b118de33889219e0362141e75d4eaf6f80f163/pycrypto-2.6.1.tar.gz"
     sha256 "f2ce1e989b272cfcb677616763e0a2e7ec659effa67a88aa92b3a65528f60a3c"
@@ -662,6 +671,9 @@ Formulae can specify an alternate download for the upstream project’s developm
 
 ```ruby
 class Foo < Formula
+  desc "Description"
+  homepage "https://example.com"
+
   head "https://github.com/some/package.git", branch: "main" # the default is "master"
 end
 ```
@@ -670,6 +682,9 @@ You can also bundle the URL and any `head`-specific dependencies and resources i
 
 ```ruby
 class Foo < Formula
+  desc "Description"
+  homepage "https://example.com"
+
   head do
     url "https://svn.code.sf.net/p/project/code/trunk"
     depends_on "pkg-config" => :build
@@ -685,8 +700,8 @@ When parsing a download URL, Homebrew auto-detects the resource type it points t
 
 ```ruby
 class Foo < Formula
+  desc "Some package"
   homepage "https://github.com/some/package"
-  description "Some package"
   url "https://github.com/some/package.git",
       tag:      "v1.6.2",
       revision: "344cd2ee3463abab4c16ac0f9529a846314932a2"
@@ -697,8 +712,8 @@ If not inferable, specify which of Homebrew’s built-in download strategies to
 
 ```ruby
 class Nginx < Formula
+  desc "Some package"
   homepage "https://nginx.org/"
-  description "Some package"
   url "https://nginx.org/download/nginx-1.23.2.tar.gz", using: :homebrew_curl
   sha256 "a80cc272d3d72aaee70aa8b517b4862a635c0256790434dbfc4d618a999b0b46"
   head "https://hg.nginx.org/nginx/", using: :hg
@@ -732,8 +747,9 @@ class MyDownloadStrategy < SomeHomebrewDownloadStrategy
 end
 
 class Foo < Formula
+  desc "Some package"
+  homepage "https://example.com"
   url "something", using: MyDownloadStrategy
-  description "Some package"
 end
 ```
 
@@ -894,6 +910,10 @@ If you want to add an [`option`](https://rubydoc.brew.sh/Formula#option-class_me
 
 ```ruby
 class Yourformula < Formula
+  desc "Description"
+  homepage "https://example.com"
+  url "https://example.com/yourformula-1.0.tar.gz"
+  sha256 "abc123abc123abc123abc123abc123abc123abc123abc123abc123abc123abc1"
   # ...
   option "with-ham", "Description of the option"
   option "without-spam", "Another description"
@@ -925,9 +945,16 @@ end
 Any initialization steps that aren't necessarily part of the install process can be located in a `post_install` block, such as setup commands or data directory creation. This block can be re-run separately with `brew postinstall <formula>`.
 
 ```ruby
-def post_install
-  rm_f pkgetc/"cert.pem"
-  pkgetc.install_symlink Formula["ca-certificates"].pkgetc/"cert.pem"
+class Foo < Formula
+  desc "Description"
+  homepage "https://example.com"
+  url "https://example.com/foo-1.0.tar.gz"
+
+  def post_install
+    rm_f pkgetc/"cert.pem"
+    pkgetc.install_symlink Formula["ca-certificates"].pkgetc/"cert.pem"
+  end
+  # ...
 end
 ```
 

docs/Node-for-Formula-Authors.md

@@ -92,7 +92,7 @@ require "language/node"
 
 class Foo < Formula
   desc "Description"
-  homepage "..."
+  homepage "https://example.com"
   url "https://registry.npmjs.org/foo/-/foo-1.4.2.tgz"
   sha256 "abc123abc123abc123abc123abc123abc123abc123abc123abc123abc123abc1"
 
@@ -106,7 +106,8 @@ class Foo < Formula
   end
 
   test do
-    # add a meaningful test here
+    # add a meaningful test here, version isn't usually meaningful
+    assert_match version.to_s, shell_output("#{bin}/foo --version")
   end
 end
 ```

docs/Python-for-Formula-Authors.md

@@ -74,8 +74,8 @@ class Foo < Formula
   name "foo"
   desc "Bar"
   homepage "https://example.com"
-  url "..."
-  sha256 "abc123"
+  url "https://example.com/foo-1.0.tar.gz"
+  sha256 "abc123abc123abc123abc123abc123abc123abc123abc123abc123abc123abc1"
 
   def install
     # Create a virtualenv in `libexec`. If your app needs Python 3, make sure that
@@ -101,6 +101,8 @@ Installing a formula with dependencies will look like this:
 class Foo < Formula
   include Language::Python::Virtualenv
 
+  desc "Description"
+  homepage "https://example.com"
   url "..."
 
   resource "six" do
@@ -125,6 +127,8 @@ You can also use the more verbose form and request that specific resources be in
 class Foo < Formula
   include Language::Python::Virtualenv
 
+  desc "Description"
+  homepage "https://example.com"
   url "..."
 
   def install