diff --git a/Library/Homebrew/dev-cmd/prof.rb b/Library/Homebrew/dev-cmd/prof.rb
index ce703ac9f9..80b8ae2f8d 100644
--- a/Library/Homebrew/dev-cmd/prof.rb
+++ b/Library/Homebrew/dev-cmd/prof.rb
@@ -14,6 +14,8 @@ module Homebrew
   end
 
   def prof
+    prof_args.parse
+
     Homebrew.install_gem_setup_path! "ruby-prof"
     FileUtils.mkdir_p "prof"
     brew_rb = (HOMEBREW_LIBRARY_PATH/"brew.rb").resolved_path
diff --git a/Library/Homebrew/dev-cmd/test.rb b/Library/Homebrew/dev-cmd/test.rb
index 0cf2b8f445..8ddc98c494 100644
--- a/Library/Homebrew/dev-cmd/test.rb
+++ b/Library/Homebrew/dev-cmd/test.rb
@@ -1,5 +1,4 @@
 require "extend/ENV"
-require "formula_assertions"
 require "sandbox"
 require "timeout"
 require "cli_parser"
@@ -31,8 +30,12 @@ module Homebrew
   end
 
   def test
+    test_args.parse
+
     raise FormulaUnspecifiedError if ARGV.named.empty?
 
+    require "formula_assertions"
+
     ARGV.resolved_formulae.each do |f|
       # Cannot test uninstalled formulae
       unless f.installed?
diff --git a/Library/Homebrew/test/cmd/shared_examples/args_parse.rb b/Library/Homebrew/test/cmd/shared_examples/args_parse.rb
new file mode 100644
index 0000000000..b95b5eb9b5
--- /dev/null
+++ b/Library/Homebrew/test/cmd/shared_examples/args_parse.rb
@@ -0,0 +1,17 @@
+shared_examples "parseable arguments" do
+  subject(:method_name) do |example|
+    example.metadata[:example_group][:parent_example_group][:description]
+           .gsub(/^Homebrew\./, "")
+  end
+
+  let(:command_name) do
+    method_name.gsub(/_args$/, "").tr("_", "-")
+  end
+
+  it "can parse arguments" do
+    require "dev-cmd/#{command_name}" unless require? "cmd/#{command_name}"
+
+    expect { Homebrew.send(method_name).parse({}) }
+      .not_to raise_error
+  end
+end
diff --git a/Library/Homebrew/test/dev-cmd/audit_spec.rb b/Library/Homebrew/test/dev-cmd/audit_spec.rb
index daf5cf6d0e..c8fd7b000e 100644
--- a/Library/Homebrew/test/dev-cmd/audit_spec.rb
+++ b/Library/Homebrew/test/dev-cmd/audit_spec.rb
@@ -1,5 +1,10 @@
 require "dev-cmd/audit"
 require "formulary"
+require "cmd/shared_examples/args_parse"
+
+describe "Homebrew.audit_args" do
+  it_behaves_like "parseable arguments"
+end
 
 module Count
   def self.increment
diff --git a/Library/Homebrew/test/dev-cmd/bottle_spec.rb b/Library/Homebrew/test/dev-cmd/bottle_spec.rb
index 135eb507d1..4180796ea1 100644
--- a/Library/Homebrew/test/dev-cmd/bottle_spec.rb
+++ b/Library/Homebrew/test/dev-cmd/bottle_spec.rb
@@ -1,3 +1,9 @@
+require "cmd/shared_examples/args_parse"
+
+describe "Homebrew.bottle_args" do
+  it_behaves_like "parseable arguments"
+end
+
 describe "brew bottle", :integration_test do
   it "builds a bottle for the given Formula" do
     # create stub patchelf
@@ -21,9 +27,13 @@ describe "brew bottle", :integration_test do
       FileUtils.ln_s "not-exist", "symlink"
     end
 
-    expect { brew "bottle", "--no-rebuild", "testball" }
-      .to output(/testball--0\.1.*\.bottle\.tar\.gz/).to_stdout
-      .and not_to_output.to_stderr
-      .and be_a_success
+    begin
+      expect { brew "bottle", "--no-rebuild", "testball" }
+        .to output(/testball--0\.1.*\.bottle\.tar\.gz/).to_stdout
+        .and not_to_output.to_stderr
+        .and be_a_success
+    ensure
+      FileUtils.rm_f Dir.glob("testball--0.1*.bottle.tar.gz")
+    end
   end
 end
diff --git a/Library/Homebrew/test/dev-cmd/create_spec.rb b/Library/Homebrew/test/dev-cmd/create_spec.rb
index 7c85a9f7d1..37d119c039 100644
--- a/Library/Homebrew/test/dev-cmd/create_spec.rb
+++ b/Library/Homebrew/test/dev-cmd/create_spec.rb
@@ -1,3 +1,9 @@
+require "cmd/shared_examples/args_parse"
+
+describe "Homebrew.create_args" do
+  it_behaves_like "parseable arguments"
+end
+
 describe "brew create", :integration_test do
   let(:url) { "file://#{TEST_FIXTURE_DIR}/tarballs/testball-0.1.tbz" }
   let(:formula_file) { CoreTap.new.formula_dir/"testball.rb" }
diff --git a/Library/Homebrew/test/dev-cmd/edit_spec.rb b/Library/Homebrew/test/dev-cmd/edit_spec.rb
index 3f557fcdf5..da9f7af210 100644
--- a/Library/Homebrew/test/dev-cmd/edit_spec.rb
+++ b/Library/Homebrew/test/dev-cmd/edit_spec.rb
@@ -1,3 +1,9 @@
+require "cmd/shared_examples/args_parse"
+
+describe "Homebrew.edit_args" do
+  it_behaves_like "parseable arguments"
+end
+
 describe "brew edit", :integration_test do
   it "opens a given Formula in an editor" do
     HOMEBREW_REPOSITORY.cd do
diff --git a/Library/Homebrew/test/dev-cmd/extract_spec.rb b/Library/Homebrew/test/dev-cmd/extract_spec.rb
index fe19034f0c..abff3d6d20 100644
--- a/Library/Homebrew/test/dev-cmd/extract_spec.rb
+++ b/Library/Homebrew/test/dev-cmd/extract_spec.rb
@@ -1,3 +1,9 @@
+require "cmd/shared_examples/args_parse"
+
+describe "Homebrew.extract_args" do
+  it_behaves_like "parseable arguments"
+end
+
 describe "brew extract", :integration_test do
   it "retrieves the specified version of formula, defaulting to most recent" do
     path = Tap::TAP_DIRECTORY/"homebrew/homebrew-foo"
diff --git a/Library/Homebrew/test/dev-cmd/formula_spec.rb b/Library/Homebrew/test/dev-cmd/formula_spec.rb
index cc5b3e9e84..f64817194c 100644
--- a/Library/Homebrew/test/dev-cmd/formula_spec.rb
+++ b/Library/Homebrew/test/dev-cmd/formula_spec.rb
@@ -1,3 +1,9 @@
+require "cmd/shared_examples/args_parse"
+
+describe "Homebrew.formula_args" do
+  it_behaves_like "parseable arguments"
+end
+
 describe "brew formula", :integration_test do
   it "prints a given Formula's path" do
     formula_file = setup_test_formula "testball"
diff --git a/Library/Homebrew/test/dev-cmd/irb_spec.rb b/Library/Homebrew/test/dev-cmd/irb_spec.rb
index 99522394bf..291bdc161a 100644
--- a/Library/Homebrew/test/dev-cmd/irb_spec.rb
+++ b/Library/Homebrew/test/dev-cmd/irb_spec.rb
@@ -1,3 +1,9 @@
+require "cmd/shared_examples/args_parse"
+
+describe "Homebrew.irb_args" do
+  it_behaves_like "parseable arguments"
+end
+
 describe "brew irb", :integration_test do
   it "starts an interactive Homebrew shell session" do
     setup_test_formula "testball"
diff --git a/Library/Homebrew/test/dev-cmd/linkage_spec.rb b/Library/Homebrew/test/dev-cmd/linkage_spec.rb
index b0e55104ec..7a0ffa5980 100644
--- a/Library/Homebrew/test/dev-cmd/linkage_spec.rb
+++ b/Library/Homebrew/test/dev-cmd/linkage_spec.rb
@@ -1,3 +1,9 @@
+require "cmd/shared_examples/args_parse"
+
+describe "Homebrew.linkage_args" do
+  it_behaves_like "parseable arguments"
+end
+
 describe "brew linkage", :integration_test do
   before do
     setup_test_formula "testball"
diff --git a/Library/Homebrew/test/dev-cmd/pull_spec.rb b/Library/Homebrew/test/dev-cmd/pull_spec.rb
index a13ead381d..aaf11e71f6 100644
--- a/Library/Homebrew/test/dev-cmd/pull_spec.rb
+++ b/Library/Homebrew/test/dev-cmd/pull_spec.rb
@@ -1,3 +1,9 @@
+require "cmd/shared_examples/args_parse"
+
+describe "Homebrew.pull_args" do
+  it_behaves_like "parseable arguments"
+end
+
 describe "brew pull", :integration_test do
   it "fetches a patch from a GitHub commit or pull request and applies it", :needs_network do
     CoreTap.instance.path.cd do
diff --git a/Library/Homebrew/test/dev-cmd/ruby_spec.rb b/Library/Homebrew/test/dev-cmd/ruby_spec.rb
index a6179eb3b2..0f65d6888a 100644
--- a/Library/Homebrew/test/dev-cmd/ruby_spec.rb
+++ b/Library/Homebrew/test/dev-cmd/ruby_spec.rb
@@ -1,3 +1,9 @@
+require "cmd/shared_examples/args_parse"
+
+describe "Homebrew.ruby_args" do
+  it_behaves_like "parseable arguments"
+end
+
 describe "brew ruby", :integration_test do
   it "executes ruby code with Homebrew's libraries loaded" do
     expect { brew "ruby", "-e", "exit 0" }
diff --git a/Library/Homebrew/test/dev-cmd/tap-new_spec.rb b/Library/Homebrew/test/dev-cmd/tap-new_spec.rb
index 4da0fb025e..868650c7a4 100644
--- a/Library/Homebrew/test/dev-cmd/tap-new_spec.rb
+++ b/Library/Homebrew/test/dev-cmd/tap-new_spec.rb
@@ -1,3 +1,9 @@
+require "cmd/shared_examples/args_parse"
+
+describe "Homebrew.tap_new_args" do
+  it_behaves_like "parseable arguments"
+end
+
 describe "brew tap-new", :integration_test do
   it "initializes a new Tap with a ReadMe file" do
     expect { brew "tap-new", "homebrew/foo", "--verbose" }
diff --git a/Library/Homebrew/test/dev-cmd/tap_spec.rb b/Library/Homebrew/test/dev-cmd/tap_spec.rb
index 509d63bbc9..86fd6e0398 100644
--- a/Library/Homebrew/test/dev-cmd/tap_spec.rb
+++ b/Library/Homebrew/test/dev-cmd/tap_spec.rb
@@ -1,3 +1,9 @@
+require "cmd/shared_examples/args_parse"
+
+describe "Homebrew.tap_args" do
+  it_behaves_like "parseable arguments"
+end
+
 describe "brew tap", :integration_test do
   it "taps a given Tap" do
     path = Tap::TAP_DIRECTORY/"homebrew/homebrew-foo"
diff --git a/Library/Homebrew/test/dev-cmd/test_spec.rb b/Library/Homebrew/test/dev-cmd/test_spec.rb
index 46d51b0be9..8d6bb479ce 100644
--- a/Library/Homebrew/test/dev-cmd/test_spec.rb
+++ b/Library/Homebrew/test/dev-cmd/test_spec.rb
@@ -1,3 +1,9 @@
+require "cmd/shared_examples/args_parse"
+
+describe "Homebrew.test_args" do
+  it_behaves_like "parseable arguments"
+end
+
 describe "brew test", :integration_test do
   it "tests a given Formula" do
     install_test_formula "testball", <<~'RUBY'
diff --git a/Library/Homebrew/test/spec_helper.rb b/Library/Homebrew/test/spec_helper.rb
index e9b8fa6adb..70b2b3d711 100644
--- a/Library/Homebrew/test/spec_helper.rb
+++ b/Library/Homebrew/test/spec_helper.rb
@@ -191,7 +191,6 @@ RSpec.configure do |config|
         CoreTap.instance.alias_dir,
         CoreTap.instance.path/"formula_renames.json",
         *Pathname.glob("#{HOMEBREW_CELLAR}/*/"),
-        *Pathname.glob("testball*.bottle.tar.gz"),
       ]
 
       files_after_test = find_files