Separate `Homebrew::TestCase` from `testing_env`.

3 files changed, 114 insertions, 0 deletions

diff --git a/Library/Homebrew/test/support/helper/fs_leak_logger.rb b/Library/Homebrew/test/support/helper/fs_leak_logger.rb
new file mode 100644
index 000000000..f6a02dbc0
--- /dev/null
+++ b/Library/Homebrew/test/support/helper/fs_leak_logger.rb
@@ -0,0 +1,27 @@
+module Test
+  module Helper
+    module FSLeakLogger
+      def self.included(klass)
+        require "find"
+        logdir = HOMEBREW_LIBRARY_PATH.join("tmp")
+        logdir.mkdir unless logdir.directory?
+        @@log = File.open(logdir.join("fs_leak.log"), "w")
+        klass.make_my_diffs_pretty!
+      end
+
+      def before_setup
+        @__files_before_test = []
+        Find.find(TEST_TMPDIR) { |f| @__files_before_test << f.sub(TEST_TMPDIR, "") }
+        super
+      end
+
+      def after_teardown
+        super
+        files_after_test = []
+        Find.find(TEST_TMPDIR) { |f| files_after_test << f.sub(TEST_TMPDIR, "") }
+        return if @__files_before_test == files_after_test
+        @@log.puts location, diff(@__files_before_test, files_after_test)
+      end
+    end
+  end
+end
diff --git a/Library/Homebrew/test/support/helper/test_case.rb b/Library/Homebrew/test/support/helper/test_case.rb
new file mode 100644
index 000000000..60c91e7bb
--- /dev/null
+++ b/Library/Homebrew/test/support/helper/test_case.rb
@@ -0,0 +1,64 @@
+module Homebrew
+  class TestCase < ::Minitest::Test
+    require "test/support/helper/env"
+    require "test/support/helper/fs_leak_logger"
+    require "test/support/helper/shutup"
+    require "test/support/helper/version_assertions"
+    include Test::Helper::Env
+    include Test::Helper::FSLeakLogger
+    include Test::Helper::Shutup
+    include Test::Helper::VersionAssertions
+
+    TEST_SHA1   = "deadbeefdeadbeefdeadbeefdeadbeefdeadbeef".freeze
+    TEST_SHA256 = "deadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef".freeze
+
+    def formula(name = "formula_name", path = Formulary.core_path(name), spec = :stable, alias_path: nil, &block)
+      @_f = Class.new(Formula, &block).new(name, path, spec, alias_path: alias_path)
+    end
+
+    def mktmpdir(prefix_suffix = nil, &block)
+      Dir.mktmpdir(prefix_suffix, HOMEBREW_TEMP, &block)
+    end
+
+    def needs_compat
+      skip "Requires compat/ code" if ENV["HOMEBREW_NO_COMPAT"]
+    end
+
+    def needs_python
+      skip "Requires Python" unless which("python")
+    end
+
+    def assert_nothing_raised
+      yield
+    end
+
+    def assert_eql(exp, act, msg = nil)
+      msg = message(msg, "") { diff exp, act }
+      assert exp.eql?(act), msg
+    end
+
+    def refute_eql(exp, act, msg = nil)
+      msg = message(msg) do
+        "Expected #{mu_pp(act)} to not be eql to #{mu_pp(exp)}"
+      end
+      refute exp.eql?(act), msg
+    end
+
+    def dylib_path(name)
+      Pathname.new("#{TEST_FIXTURE_DIR}/mach/#{name}.dylib")
+    end
+
+    def bundle_path(name)
+      Pathname.new("#{TEST_FIXTURE_DIR}/mach/#{name}.bundle")
+    end
+
+    # Use a stubbed {Formulary::FormulaLoader} to make a given formula be found
+    # when loading from {Formulary} with `ref`.
+    def stub_formula_loader(formula, ref = formula.full_name)
+      loader = mock
+      loader.stubs(:get_formula).returns(formula)
+      Formulary.stubs(:loader_for).with(ref, from: :keg).returns(loader)
+      Formulary.stubs(:loader_for).with(ref, from: nil).returns(loader)
+    end
+  end
+end
diff --git a/Library/Homebrew/test/support/helper/version_assertions.rb b/Library/Homebrew/test/support/helper/version_assertions.rb
new file mode 100644
index 000000000..dc240d643
--- /dev/null
+++ b/Library/Homebrew/test/support/helper/version_assertions.rb
@@ -0,0 +1,23 @@
+require "rubygems"
+
+module Test
+  module Helper
+    module VersionAssertions
+      def version(v)
+        Version.create(v)
+      end
+
+      def assert_version_equal(expected, actual)
+        assert_equal Version.create(expected), actual
+      end
+
+      def assert_version_detected(expected, url, specs = {})
+        assert_equal expected, Version.detect(url, specs).to_s
+      end
+
+      def assert_version_nil(url)
+        assert Version.parse(url).null?
+      end
+    end
+  end
+end