Convert `brew migrate` test to spec.

1 files changed, 46 insertions, 0 deletions

diff --git a/Library/Homebrew/test/cmd/migrate_spec.rb b/Library/Homebrew/test/cmd/migrate_spec.rb
new file mode 100644
index 000000000..18c94fa01
--- /dev/null
+++ b/Library/Homebrew/test/cmd/migrate_spec.rb
@@ -0,0 +1,46 @@
+describe "brew migrate", :integration_test do
+  before(:each) do
+    setup_test_formula "testball1"
+    setup_test_formula "testball2"
+  end
+
+  it "fails when no argument is given" do
+    expect { brew "migrate" }
+      .to output(/Invalid usage/).to_stderr
+      .and not_to_output.to_stdout
+      .and be_a_failure
+  end
+
+  it "fails when a given Formula doesn't exist" do
+    expect { brew "migrate", "testball" }
+      .to output(/No available formula with the name "testball"/).to_stderr
+      .and not_to_output.to_stdout
+      .and be_a_failure
+  end
+
+  it "fails if a given Formula doesn't replace another one" do
+    expect { brew "migrate", "testball1" }
+      .to output(/testball1 doesn't replace any formula/).to_stderr
+      .and not_to_output.to_stdout
+      .and be_a_failure
+  end
+
+  it "migrates a renamed Formula" do
+    install_and_rename_coretap_formula "testball1", "testball2"
+
+    expect { brew "migrate", "testball1" }
+      .to output(/Migrating testball1 to testball2/).to_stdout
+      .and not_to_output.to_stderr
+      .and be_a_success
+  end
+
+  it "fails if a given Formula is not installed" do
+    install_and_rename_coretap_formula "testball1", "testball2"
+    (HOMEBREW_CELLAR/"testball1").rmtree
+
+    expect { brew "migrate", "testball1" }
+      .to output(/Error: No such keg/).to_stderr
+      .and not_to_output.to_stdout
+      .and be_a_failure
+  end
+end