Convert `brew --prefix` test to spec.

1 files changed, 15 insertions, 0 deletions

diff --git a/Library/Homebrew/test/cmd/--prefix_spec.rb b/Library/Homebrew/test/cmd/--prefix_spec.rb
new file mode 100644
index 000000000..80ef73a97
--- /dev/null
+++ b/Library/Homebrew/test/cmd/--prefix_spec.rb
@@ -0,0 +1,15 @@
+describe "brew --prefix", :integration_test do
+  it "prints the Homebrew prefix when no argument is given" do
+    expect { brew "--prefix" }
+      .to output("#{HOMEBREW_PREFIX}\n").to_stdout
+      .and not_to_output.to_stderr
+      .and be_a_success
+  end
+
+  it "prints a given Formula's prefix" do
+    expect { brew "--prefix", testball }
+      .to output(%r{#{HOMEBREW_CELLAR}/testball}).to_stdout
+      .and not_to_output.to_stderr
+      .and be_a_success
+  end
+end