From d78efa8f02936b9bfc7da344f18351ce00eed936 Mon Sep 17 00:00:00 2001
From: Jack Nagel
Date: Sat, 13 Apr 2013 17:40:13 -0500
Subject: Add tests for formula spec selection

These tests document the relative precedence of the stable, bottle,
devel, and head specifications, and the conditions that can influence
which is selected (e.g. command-line flags).
---
 .../Homebrew/test/test_formula_spec_selection.rb   | 99 ++++++++++++++++++++++
 1 file changed, 99 insertions(+)
 create mode 100644 Library/Homebrew/test/test_formula_spec_selection.rb

(limited to 'Library/Homebrew/test/test_formula_spec_selection.rb')

diff --git a/Library/Homebrew/test/test_formula_spec_selection.rb b/Library/Homebrew/test/test_formula_spec_selection.rb
new file mode 100644
index 000000000..73cf97ad2
--- /dev/null
+++ b/Library/Homebrew/test/test_formula_spec_selection.rb
@@ -0,0 +1,99 @@
+require 'testing_env'
+require 'formula'
+
+class FormulaSpecSelectionTests < Test::Unit::TestCase
+  def formula(*args, &block)
+    @_f = Class.new(Formula, &block).new(*args)
+  end
+
+  def assert_spec_selected(spec)
+    assert_equal @_f.send(spec), @_f.active_spec
+  end
+
+  def test_selects_head_when_requested
+    ARGV.stubs(:build_head?).returns(true)
+
+    formula do
+      url 'foo-1.0'
+      devel { url 'foo-1.1a' }
+      head 'foo'
+    end
+
+    assert_spec_selected :head
+  end
+
+  def test_selects_devel_when_requested
+    ARGV.stubs(:build_devel?).returns(true)
+
+    formula do
+      url 'foo-1.0'
+      devel { url 'foo-1.1a' }
+      head 'foo'
+    end
+
+    assert_spec_selected :devel
+  end
+
+  def test_selects_bottle_when_available
+    formula do
+      def install_bottle?(*); true; end
+
+      url 'foo-1.0'
+      bottle do
+        {
+          :snow_leopard_32 => 'deadbeef'*5,
+          :snow_leopard    => 'faceb00c'*5,
+          :lion            => 'baadf00d'*5,
+          :mountain_lion   => '8badf00d'*5,
+        }.each_pair do |cat, val|
+          sha1(val => cat)
+        end
+      end
+    end
+
+    assert_spec_selected :bottle
+  end
+
+  def test_selects_stable_by_default
+    formula do
+      url 'foo-1.0'
+      devel { url 'foo-1.1a' }
+      head 'foo'
+    end
+
+    assert_spec_selected :stable
+  end
+
+  def test_selects_stable_when_exclusive
+    formula do
+      url 'foo-1.0'
+    end
+
+    assert_spec_selected :stable
+  end
+
+  def test_selects_devel_before_head
+    formula do
+      devel { url 'foo-1.1a' }
+      head 'foo'
+    end
+
+    assert_spec_selected :devel
+  end
+
+  def test_selects_devel_when_exclusive
+    formula do
+      devel { url 'foo-1.1a' }
+    end
+
+    assert_spec_selected :devel
+  end
+
+  def test_selects_head_when_exclusive
+    formula do
+      head 'foo'
+    end
+
+    assert_spec_selected :head
+  end
+end
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