Merge pull request #2139 from reitermarkus/spec-missing

Convert `brew missing` test to spec.

Library/Homebrew/test/cmd/missing_spec.rb

+describe "brew missing", :integration_test do
+  before(:each) do
+    setup_test_formula "foo"
+    setup_test_formula "bar"
+  end
+
+  def make_prefix(name)
+    (HOMEBREW_CELLAR/name/"1.0").mkpath
+  end
+
+  it "prints missing dependencies" do
+    make_prefix "bar"
+
+    expect { brew "missing" }
+      .to output("foo\n").to_stdout
+      .and not_to_output.to_stderr
+      .and be_a_success
+  end
+
+  it "prints nothing if all dependencies are installed" do
+    make_prefix "foo"
+    make_prefix "bar"
+
+    expect { brew "missing" }
+      .to be_a_success
+      .and not_to_output.to_stdout
+      .and not_to_output.to_stderr
+  end
+
+  describe "--hide=" do
+    it "pretends that the specified Formulae are not installed" do
+      make_prefix "foo"
+      make_prefix "bar"
+
+      expect { brew "missing", "--hide=foo" }
+        .to output("bar: foo\n").to_stdout
+        .and not_to_output.to_stderr
+        .and be_a_success
+    end
+  end
+end

Library/Homebrew/test/missing_test.rb

-require "testing_env"
-
-class IntegrationCommandTestMissing < IntegrationCommandTestCase
-  def setup
-    super
-
-    setup_test_formula "foo"
-    setup_test_formula "bar"
-  end
-
-  def make_prefix(name)
-    (HOMEBREW_CELLAR/name/"1.0").mkpath
-  end
-
-  def test_missing_missing
-    make_prefix "bar"
-
-    assert_match "foo", cmd("missing")
-  end
-
-  def test_missing_not_missing
-    make_prefix "foo"
-    make_prefix "bar"
-
-    assert_empty cmd("missing")
-  end
-
-  def test_missing_hide
-    make_prefix "foo"
-    make_prefix "bar"
-
-    assert_match "foo", cmd("missing", "--hide=foo")
-  end
-end