cleanup tests

Author: jethrodaniel

sqlite_extensions-uuid.gemspec

@@ -6,7 +6,7 @@ Gem::Specification.new do |spec|
   spec.authors = ["Mark Delk"]
   spec.email = ["[email protected]"]
 
-  spec.summary = "Sqlite's uuid extension"
+  spec.summary = "SQLite's UUID v4 extension, packaged as a gem"
   spec.homepage = "https://github.com/jethrodaniel/sqlite_extensions-uuid"
   spec.license = "MIT"
   spec.required_ruby_version = ">= 3.0.0"

test/test_helper.rb

@@ -3,4 +3,7 @@
 $LOAD_PATH.unshift File.expand_path("../lib", __dir__)
 require "sqlite_extensions/uuid"
 
+# NOTE: loading `sqlite3` isn't required by our gem, but we need it for tests.
+require "sqlite3"
+
 require "minitest/autorun"

test/test_uuid.rb

@@ -3,11 +3,13 @@
 require "test_helper"
 
 class TestUUID < Minitest::Test
+  # good enough for testing
+  UUID_REGEX = /[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}/i
+
+  GEM_NAME = "sqlite_extensions-uuid"
+
   def test_to_path
-    loaded_specs_stub = {
-      "sqlite_extensions-uuid" => Struct.new(:require_path).new("foo")
-    }
-    Gem.stub(:loaded_specs, loaded_specs_stub) do
+    when_this_gem_is_loaded require_path: "foo" do
       path = SqliteExtensions::UUID.to_path
       assert_kind_of String, path
 
@@ -16,26 +18,54 @@ def test_to_path
     end
   end
 
-  def test_it_works
-    require "sqlite3"
+  def test_using_load_extension
+    when_this_gem_is_loaded do
+      db = SQLite3::Database.new ":memory:"
+      db.enable_load_extension(true)
+      db.load_extension(SqliteExtensions::UUID.to_path)
+
+      result = db.execute("select uuid()")
+
+      assert_kind_of Array, result
+      assert_equal 1, result.size
+      assert_kind_of Array, result.first
+      assert_equal 1, result.first.size
+
+      uuid = result.first.first
+      assert_kind_of String, uuid
+
+      assert_match UUID_REGEX, uuid
+    end
+  end
+
+  def test_passing_extensions_to_new_database
+    when_this_gem_is_loaded do
+      db = SQLite3::Database.new(
+        ":memory:",
+        extensions: [SqliteExtensions::UUID.to_path]
+      )
+
+      result = db.execute("select uuid()")
+
+      assert_kind_of Array, result
+      assert_equal 1, result.size
+      assert_kind_of Array, result.first
+      assert_equal 1, result.first.size
 
-    db = SQLite3::Database.new ":memory:"
-    db.enable_load_extension(true)
-    extension_path = File.join(__dir__, "../lib/sqlite_extensions/uuid/uuid")
-    db.load_extension(extension_path)
+      uuid = result.first.first
+      assert_kind_of String, uuid
+
+      assert_match UUID_REGEX, uuid
+    end
+  end
 
-    result = db.execute("select uuid()")
-    assert_kind_of Array, result
-    assert_equal 1, result.size
-    assert_kind_of Array, result.first
-    assert_equal 1, result.first.size
+  private
 
-    uuid = result.first.first
-    assert_kind_of String, uuid
+  def local_require_path = File.join(__dir__, "../lib")
 
-    assert_match(
-      /[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}/i,
-      uuid
-    )
+  def when_this_gem_is_loaded(require_path: local_require_path, &block)
+    test_gemspec = Struct.new(:require_path).new(require_path)
+    loaded_specs_stub = { GEM_NAME => test_gemspec }
+    Gem.stub(:loaded_specs, loaded_specs_stub, &block)
   end
 end