Initial parametric Feather case generator

test/toolchain_test.rb

@@ -0,0 +1,30 @@
+# frozen_string_literal: true
+
+require_relative "test_helper"
+
+class ToolchainTest < Minitest::Test
+  def test_reports_both_missing_dependencies
+    toolchain = FeatherCaseWizard::Toolchain.new(env: {"PATH" => ""})
+    error = assert_raises(FeatherCaseWizard::ToolError) { toolchain.check! }
+
+    assert_match(/OpenSCAD/, error.message)
+    assert_match(/Blender/, error.message)
+    assert_match(/apt-get/, error.message)
+  end
+
+  def test_environment_overrides_are_used
+    Dir.mktmpdir do |directory|
+      executable = File.join(directory, "tool")
+      File.write(executable, "#!/bin/sh\nexit 0\n")
+      FileUtils.chmod(0o755, executable)
+      toolchain = FeatherCaseWizard::Toolchain.new(
+        env: {"PATH" => "", "OPENSCAD" => executable, "BLENDER" => executable}
+      )
+
+      assert_equal executable, toolchain.openscad
+      assert_equal executable, toolchain.blender
+      assert_same toolchain, toolchain.check!
+    end
+  end
+end
+