From 707cb33346c0116c3607483a381422855582415a Mon Sep 17 00:00:00 2001
From: Markus Reiter <me@reitermark.us>
Date: Sun, 3 Feb 2019 15:57:51 +0100
Subject: [PATCH] Add tests for `Cask::Config`.

---
 Library/Homebrew/test/cask/config_spec.rb | 51 +++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 Library/Homebrew/test/cask/config_spec.rb

diff --git a/Library/Homebrew/test/cask/config_spec.rb b/Library/Homebrew/test/cask/config_spec.rb
new file mode 100644
index 0000000000..f160104bbe
--- /dev/null
+++ b/Library/Homebrew/test/cask/config_spec.rb
@@ -0,0 +1,51 @@
+describe Cask::Config, :cask do
+  subject(:config) { described_class.new }
+
+  describe "#default" do
+    it "returns the default directories" do
+      expect(config.default[:appdir]).to eq(Pathname(TEST_TMPDIR).join("cask-appdir"))
+    end
+  end
+
+  describe "#appdir" do
+    it "returns the default value if no HOMEBREW_CASK_OPTS is unset" do
+      expect(config.appdir).to eq(Pathname(TEST_TMPDIR).join("cask-appdir"))
+    end
+
+    specify "environment overwrites default" do
+      ENV["HOMEBREW_CASK_OPTS"] = "--appdir=/path/to/apps"
+
+      expect(config.appdir).to eq(Pathname("/path/to/apps"))
+    end
+
+    specify "specific overwrites default" do
+      config = described_class.new(explicit: { appdir: "/explicit/path/to/apps" })
+
+      expect(config.appdir).to eq(Pathname("/explicit/path/to/apps"))
+    end
+
+    specify "explicit overwrites environment" do
+      ENV["HOMEBREW_CASK_OPTS"] = "--appdir=/path/to/apps"
+
+      config = described_class.new(explicit: { appdir: "/explicit/path/to/apps" })
+
+      expect(config.appdir).to eq(Pathname("/explicit/path/to/apps"))
+    end
+  end
+
+  describe "#env" do
+    it "returns directories specified with the HOMEBREW_CASK_OPTS variable" do
+      ENV["HOMEBREW_CASK_OPTS"] = "--appdir=/path/to/apps"
+
+      expect(config.env).to eq(appdir: Pathname("/path/to/apps"))
+    end
+  end
+
+  describe "#explicit" do
+    let(:config) { described_class.new(explicit: { appdir: "/explicit/path/to/apps" }) }
+
+    it "returns directories explicitly given as arguments" do
+      expect(config.explicit[:appdir]).to eq(Pathname("/explicit/path/to/apps"))
+    end
+  end
+end