Convert `brew help` test to spec.

2 files changed, 47 insertions, 21 deletions

diff --git a/Library/Homebrew/test/cmd/help_spec.rb b/Library/Homebrew/test/cmd/help_spec.rb
new file mode 100644
index 000000000..6d94d7444
--- /dev/null
+++ b/Library/Homebrew/test/cmd/help_spec.rb
@@ -0,0 +1,47 @@
+describe "brew", :integration_test do
+  it "prints help when no argument is given" do
+    expect { brew }
+      .to output(/Example usage:\n/).to_stderr
+      .and be_a_failure
+  end
+
+  describe "help" do
+    it "prints help" do
+      expect { brew "help" }
+        .to output(/Example usage:\n/).to_stdout
+        .and be_a_success
+    end
+
+    it "prints help for a documented Ruby command" do
+      expect { brew "help", "cat" }
+        .to output(/^brew cat/).to_stdout
+        .and be_a_success
+    end
+
+    it "prints help for a documented shell command" do
+      expect { brew "help", "update" }
+        .to output(/^brew update/).to_stdout
+        .and be_a_success
+    end
+
+    it "prints help for a documented Ruby developer command" do
+      expect { brew "help", "update-test" }
+        .to output(/^brew update-test/).to_stdout
+        .and be_a_success
+    end
+
+    it "fails when given an unknown command" do
+      expect { brew "help", "command-that-does-not-exist" }
+        .to output(/Unknown command: command-that-does-not-exist/).to_stderr
+        .and be_a_failure
+    end
+  end
+
+  describe "cat" do
+    it "prints help when no argument is given" do
+      expect { brew "cat" }
+        .to output(/^brew cat/).to_stderr
+        .and be_a_failure
+    end
+  end
+end
diff --git a/Library/Homebrew/test/help_test.rb b/Library/Homebrew/test/help_test.rb
deleted file mode 100644
index 92dd99721..000000000
--- a/Library/Homebrew/test/help_test.rb
+++ /dev/null
@@ -1,21 +0,0 @@
-require "testing_env"
-
-class IntegrationCommandTestHelp < IntegrationCommandTestCase
-  def test_help
-    assert_match "Example usage:\n",
-                 cmd_fail # Generic help (empty argument list).
-    assert_match "Unknown command: command-that-does-not-exist",
-                 cmd_fail("help", "command-that-does-not-exist")
-    assert_match(/^brew cat /,
-                 cmd_fail("cat")) # Missing formula argument triggers help.
-
-    assert_match "Example usage:\n",
-                 cmd("help") # Generic help.
-    assert_match(/^brew cat /,
-                 cmd("help", "cat")) # Internal command (documented, Ruby).
-    assert_match(/^brew update /,
-                 cmd("help", "update")) # Internal command (documented, Shell).
-    assert_match(/^brew update-test /,
-                 cmd("help", "update-test")) # Internal developer command (documented, Ruby).
-  end
-end