Add tests for patching.

4 files changed, 117 insertions, 0 deletions

diff --git a/Library/Homebrew/test/patches/noop-a.diff b/Library/Homebrew/test/patches/noop-a.diff
new file mode 100644
index 000000000..7b57f8fc9
--- /dev/null
+++ b/Library/Homebrew/test/patches/noop-a.diff
@@ -0,0 +1,10 @@
+diff --git a/libexec/NOOP b/libexec/NOOP
+index bfdda4c..e08d8f4 100755
+--- a/libexec/NOOP
++++ b/libexec/NOOP
+@@ -1,2 +1,2 @@
+ #!/bin/bash
+-echo NOOP
+\ No newline at end of file
++echo ABCD
+\ No newline at end of file
diff --git a/Library/Homebrew/test/patches/noop-b.diff b/Library/Homebrew/test/patches/noop-b.diff
new file mode 100644
index 000000000..bc081ca82
--- /dev/null
+++ b/Library/Homebrew/test/patches/noop-b.diff
@@ -0,0 +1,10 @@
+diff --git libexec/NOOP libexec/NOOP
+index bfdda4c..e08d8f4 100755
+--- libexec/NOOP
++++ libexec/NOOP
+@@ -1,2 +1,2 @@
+ #!/bin/bash
+-echo NOOP
+\ No newline at end of file
++echo ABCD
+\ No newline at end of file
diff --git a/Library/Homebrew/test/test_patching.rb b/Library/Homebrew/test/test_patching.rb
new file mode 100644
index 000000000..df4825711
--- /dev/null
+++ b/Library/Homebrew/test/test_patching.rb
@@ -0,0 +1,91 @@
+require 'testing_env'
+
+require 'extend/ARGV' # needs to be after test/unit to avoid conflict with OptionsParser
+ARGV.extend(HomebrewArgvExtension)
+
+require 'formula'
+require 'utils'
+
+
+class TestBall <Formula
+  def initialize name
+    @url="file:///#{TEST_FOLDER}/testball-0.1.tbz"
+    @homepage = 'http://example.com/'
+    @md5='71aa838a9e4050d1876a295a9e62cbe6'
+    super name
+  end
+  def install ; end
+end
+
+
+class DefaultPatchBall <TestBall
+  def patches
+    # Default is p1
+    "file:///#{TEST_FOLDER}/patches/noop-a.diff"
+  end
+end
+
+class ListPatchBall <TestBall
+  def patches
+    ["file:///#{TEST_FOLDER}/patches/noop-a.diff"]
+  end
+end
+
+class P0PatchBall <TestBall
+  def patches
+    { :p0 => ["file:///#{TEST_FOLDER}/patches/noop-b.diff"] }
+  end
+end
+
+class P1PatchBall <TestBall
+  def patches
+    { :p1 => ["file:///#{TEST_FOLDER}/patches/noop-a.diff"] }
+  end
+end
+
+
+class PatchingTests < Test::Unit::TestCase
+  def read_file path
+    File.open(path, 'r') { |f| f.read }
+  end
+  
+  def test_single_patch
+    nostdout do
+      DefaultPatchBall.new('test_patch').brew do
+        s = read_file 'libexec/NOOP'
+        assert !s.include?("NOOP"), "File was unpatched."
+        assert s.include?("ABCD"), "File was not patched as expected."
+      end
+    end
+  end
+
+  def test_patch_list
+    nostdout do
+      ListPatchBall.new('test_patch_list').brew do
+        s = read_file 'libexec/NOOP'
+        assert !s.include?("NOOP"), "File was unpatched."
+        assert s.include?("ABCD"), "File was not patched as expected."
+      end
+    end
+  end
+
+  def test_p0_patch
+    nostdout do
+      P0PatchBall.new('test_p0_patch').brew do
+        s = read_file 'libexec/NOOP'
+        assert !s.include?("NOOP"), "File was unpatched."
+        assert s.include?("ABCD"), "File was not patched as expected."
+      end
+    end
+  end
+
+  def test_p1_patch
+    nostdout do
+      P1PatchBall.new('test_p1_patch').brew do
+        s = read_file 'libexec/NOOP'
+        assert !s.include?("NOOP"), "File was unpatched."
+        assert s.include?("ABCD"), "File was not patched as expected."
+      end
+    end
+  end
+end
diff --git a/Library/Homebrew/test/tests b/Library/Homebrew/test/tests
index 5d2f60ae8..a63d5be35 100755
--- a/Library/Homebrew/test/tests
+++ b/Library/Homebrew/test/tests
@@ -8,3 +8,9 @@
 
 # Bulk of the tests
 ruby unittest.rb $*
+
+# Patching tests
+ruby test_patching.rb $*
+
+# External dependency tests
+ruby test_external_deps.rb $*