introduce standard formatting and linting

.rubocop.yml

@@ -0,0 +1,88 @@
+# from https://evilmartians.com/chronicles/rubocoping-with-legacy-bring-your-ruby-code-up-to-standard
+require:
+  - standard
+  - standard-custom
+  - standard-performance
+  - rubocop-performance
+  - rubocop-minitest
+
+inherit_gem:
+  standard: config/base.yml
+  standard-custom: config/base.yml
+  standard-performance: config/base.yml
+
+AllCops:
+  SuggestExtensions: false
+  TargetRubyVersion: 3.0
+
+Naming/InclusiveLanguage:
+  Enabled: true
+
+Minitest/AssertInDelta: # new in 0.10
+  Enabled: true
+Minitest/AssertKindOf: # new in 0.10
+  Enabled: true
+Minitest/AssertOperator: # new in 0.32
+  Enabled: true
+Minitest/AssertOutput: # new in 0.10
+  Enabled: true
+Minitest/AssertPathExists: # new in 0.10
+  Enabled: true
+Minitest/AssertPredicate: # new in 0.18
+  Enabled: true
+Minitest/AssertRaisesCompoundBody: # new in 0.21
+  Enabled: true
+Minitest/AssertRaisesWithRegexpArgument: # new in 0.22
+  Enabled: true
+Minitest/AssertSame: # new in 0.26
+  Enabled: true
+Minitest/AssertSilent: # new in 0.10
+  Enabled: true
+Minitest/AssertWithExpectedArgument: # new in 0.11
+  Enabled: true
+Minitest/AssertionInLifecycleHook: # new in 0.10
+  Enabled: true
+Minitest/DuplicateTestRun: # new in 0.19
+  Enabled: true
+Minitest/EmptyLineBeforeAssertionMethods: # new in 0.23
+  Enabled: false
+Minitest/LifecycleHooksOrder: # new in 0.28
+  Enabled: true
+Minitest/LiteralAsActualArgument: # new in 0.10
+  Enabled: true
+Minitest/MultipleAssertions: # new in 0.10
+  Enabled: true
+Minitest/NonExecutableTestMethod: # new in 0.34
+  Enabled: true
+Minitest/NonPublicTestMethod: # new in 0.27
+  Enabled: true
+Minitest/RedundantMessageArgument: # new in 0.34
+  Enabled: true
+Minitest/RefuteInDelta: # new in 0.10
+  Enabled: true
+Minitest/RefuteKindOf: # new in 0.10
+  Enabled: true
+Minitest/RefuteOperator: # new in 0.32
+  Enabled: true
+Minitest/RefutePathExists: # new in 0.10
+  Enabled: true
+Minitest/RefutePredicate: # new in 0.18
+  Enabled: true
+Minitest/RefuteSame: # new in 0.26
+  Enabled: true
+Minitest/ReturnInTestMethod: # new in 0.31
+  Enabled: true
+Minitest/SkipEnsure: # new in 0.20
+  Enabled: true
+Minitest/SkipWithoutReason: # new in 0.24
+  Enabled: true
+Minitest/TestFileName: # new in 0.26
+  Enabled: true
+Minitest/TestMethodName: # new in 0.10
+  Enabled: true
+Minitest/UnreachableAssertion: # new in 0.14
+  Enabled: true
+Minitest/UnspecifiedException: # new in 0.10
+  Enabled: true
+Minitest/UselessAssertion: # new in 0.26
+  Enabled: true

CHANGELOG.md

@@ -20,6 +20,11 @@ This release drops support for Ruby 2.7. [#453] @flavorjones
 - Moved some C code into Ruby. [#451, #455] @tenderlove
 
 
+### Changed
+
+- Raise `StandardError` in a few places where `Exception` was previously raised.
+
+
 ### Removed
 
 - Remove `SQLite3::VersionProxy` which has been deprecated since v1.3.2. [#453] @flavorjones

Gemfile

@@ -2,9 +2,17 @@ source "https://rubygems.org"
 
 gemspec
 
-gem("minitest", "5.20.0")
-gem("rake-compiler", "1.2.5")
-gem("rake-compiler-dock", "1.4.0")
-gem("rdoc", "6.6.2")
+group :development do
+  gem "minitest", "5.20.0"
 
-gem("ruby_memcheck", "2.3.0") if Gem::Platform.local.os == "linux"
+  gem "rake-compiler", "1.2.5"
+  gem "rake-compiler-dock", "1.4.0"
+
+  gem "ruby_memcheck", "2.3.0" if Gem::Platform.local.os == "linux"
+
+  gem "rdoc", "6.6.2"
+
+  gem "rubocop", require: false
+  gem "standardrb", require: false
+  gem "rubocop-minitest", require: false
+end

Rakefile

@@ -5,3 +5,5 @@
 #
 require "bundler"
 SQLITE3_SPEC = Bundler.load_gemspec("sqlite3.gemspec")
+
+task default: [:rubocop, :compile, :test]

bin/test-gem-file-contents

@@ -36,7 +36,7 @@ gemfile_contents = Dir.mktmpdir do |dir|
       raise "could not unpack gem #{gemfile}"
     end
 
-    %x(tar -ztf data.tar.gz).split("\n")
+    `tar -ztf data.tar.gz`.split("\n")
   end
 end
 
@@ -46,7 +46,7 @@ gemspec = Dir.mktmpdir do |dir|
       raise "could not unpack gem #{gemfile}"
     end
 
-    YAML.unsafe_load(%x(gunzip -c metadata.gz))
+    YAML.unsafe_load(`gunzip -c metadata.gz`)
   end
 end
 
@@ -96,117 +96,121 @@ describe File.basename(gemfile) do
   describe "all platforms" do
     ["lib", "test"].each do |dir|
       it "contains every ruby file in #{dir}/" do
-        expected = %x(git ls-files #{dir}).split("\n").grep(/\.rb$/).sort
+        expected = `git ls-files #{dir}`.split("\n").grep(/\.rb$/).sort
         skip "looks like this isn't a git repository" if expected.empty?
         actual = gemfile_contents.select { |f| f.start_with?("#{dir}/") }.grep(/\.rb$/).sort
         assert_equal(expected, actual)
       end
     end
   end
 
-  describe "ruby platform" do
-    it "depends on mini_portile2" do
-      assert(gemspec.dependencies.find { |d| d.name == "mini_portile2" })
-    end
+  if gemspec.platform == Gem::Platform::RUBY
+    describe "ruby platform" do
+      it "depends on mini_portile2" do
+        assert(gemspec.dependencies.find { |d| d.name == "mini_portile2" })
+      end
 
-    it "contains extension C and header files" do
-      assert_equal(6, gemfile_contents.count { |f| File.fnmatch?("ext/**/*.c", f) })
-      assert_equal(6, gemfile_contents.count { |f| File.fnmatch?("ext/**/*.h", f) })
-    end
+      it "contains extension C and header files" do
+        assert_equal(6, gemfile_contents.count { |f| File.fnmatch?("ext/**/*.c", f) })
+        assert_equal(6, gemfile_contents.count { |f| File.fnmatch?("ext/**/*.h", f) })
+      end
 
-    it "includes C files in extra_rdoc_files" do
-      assert_equal(6, gemspec.extra_rdoc_files.count { |f| File.fnmatch?("ext/**/*.c", f) })
-    end
+      it "includes C files in extra_rdoc_files" do
+        assert_equal(6, gemspec.extra_rdoc_files.count { |f| File.fnmatch?("ext/**/*.c", f) })
+      end
 
-    it "contains the port files" do
-      dependencies = YAML.load_file(File.join(__dir__, "..", "dependencies.yml"), symbolize_names: true)
-      sqlite_tarball = File.basename(dependencies[:sqlite3][:files].first[:url])
-      actual_ports = gemfile_contents.grep(%r{^ports/})
+      it "contains the port files" do
+        dependencies = YAML.load_file(File.join(__dir__, "..", "dependencies.yml"), symbolize_names: true)
+        sqlite_tarball = File.basename(dependencies[:sqlite3][:files].first[:url])
+        actual_ports = gemfile_contents.grep(%r{^ports/})
 
-      assert_equal(["ports/archives/#{sqlite_tarball}"], actual_ports)
-    end
+        assert_equal(["ports/archives/#{sqlite_tarball}"], actual_ports)
+      end
 
-    it "contains the patch files" do
-      assert_equal(Dir.glob("patches/*.patch").length, gemfile_contents.count { |f| File.fnmatch?("patches/*", f) })
-    end
+      it "contains the patch files" do
+        assert_equal(Dir.glob("patches/*.patch").length, gemfile_contents.count { |f| File.fnmatch?("patches/*", f) })
+      end
 
-    it "sets metadata for msys2" do
-      refute_nil(gemspec.metadata["msys2_mingw_dependencies"])
-    end
+      it "sets metadata for msys2" do
+        refute_nil(gemspec.metadata["msys2_mingw_dependencies"])
+      end
 
-    it "sets required_ruby_version appropriately" do
-      all_supported_ruby_versions.each do |v|
-        assert(
-          gemspec.required_ruby_version.satisfied_by?(Gem::Version.new(v)),
-          "required_ruby_version='#{gemspec.required_ruby_version}' should support ruby #{v}",
-        )
+      it "sets required_ruby_version appropriately" do
+        all_supported_ruby_versions.each do |v|
+          assert(
+            gemspec.required_ruby_version.satisfied_by?(Gem::Version.new(v)),
+            "required_ruby_version='#{gemspec.required_ruby_version}' should support ruby #{v}"
+          )
+        end
       end
     end
-  end if gemspec.platform == Gem::Platform::RUBY
+  end
 
-  describe "native platform" do
-    it "does not depend on mini_portile2" do
-      refute(gemspec.dependencies.find { |d| d.name == "mini_portile2" })
-    end
+  if gemspec.platform.is_a?(Gem::Platform) && gemspec.platform.cpu
+    describe "native platform" do
+      it "does not depend on mini_portile2" do
+        refute(gemspec.dependencies.find { |d| d.name == "mini_portile2" })
+      end
 
-    it "contains extension C and header files" do
-      assert_equal(6, gemfile_contents.count { |f| File.fnmatch?("ext/**/*.c", f) })
-      assert_equal(6, gemfile_contents.count { |f| File.fnmatch?("ext/**/*.h", f) })
-    end
+      it "contains extension C and header files" do
+        assert_equal(6, gemfile_contents.count { |f| File.fnmatch?("ext/**/*.c", f) })
+        assert_equal(6, gemfile_contents.count { |f| File.fnmatch?("ext/**/*.h", f) })
+      end
 
-    it "includes C files in extra_rdoc_files" do
-      assert_equal(6, gemspec.extra_rdoc_files.count { |f| File.fnmatch?("ext/**/*.c", f) })
-    end
+      it "includes C files in extra_rdoc_files" do
+        assert_equal(6, gemspec.extra_rdoc_files.count { |f| File.fnmatch?("ext/**/*.c", f) })
+      end
 
-    it "does not contain the port files" do
-      assert_empty(gemfile_contents.grep(%r{^ports/}))
-    end
+      it "does not contain the port files" do
+        assert_empty(gemfile_contents.grep(%r{^ports/}))
+      end
 
-    it "does not contain the patch files" do
-      assert_empty(gemfile_contents.grep(%r{^patches/}))
-    end
+      it "does not contain the patch files" do
+        assert_empty(gemfile_contents.grep(%r{^patches/}))
+      end
+
+      it "contains expected shared library files " do
+        platform_supported_ruby_versions.each do |version|
+          actual = gemfile_contents.find do |p|
+            File.fnmatch?("lib/sqlite3/#{version}/sqlite3_native.{so,bundle}", p, File::FNM_EXTGLOB)
+          end
+          assert(actual, "expected to find shared library file for ruby #{version}")
+        end
 
-    it "contains expected shared library files " do
-      platform_supported_ruby_versions.each do |version|
         actual = gemfile_contents.find do |p|
-          File.fnmatch?("lib/sqlite3/#{version}/sqlite3_native.{so,bundle}", p, File::FNM_EXTGLOB)
+          File.fnmatch?("lib/sqlite3/sqlite3_native.{so,bundle}", p, File::FNM_EXTGLOB)
         end
-        assert(actual, "expected to find shared library file for ruby #{version}")
-      end
+        refute(actual, "did not expect to find shared library file in lib/sqlite3")
 
-      actual = gemfile_contents.find do |p|
-        File.fnmatch?("lib/sqlite3/sqlite3_native.{so,bundle}", p, File::FNM_EXTGLOB)
+        actual = gemfile_contents.find_all do |p|
+          File.fnmatch?("lib/sqlite3/**/*.{so,bundle}", p, File::FNM_EXTGLOB)
+        end
+        assert_equal(
+          platform_supported_ruby_versions.length,
+          actual.length,
+          "did not expect extra shared library files"
+        )
       end
-      refute(actual, "did not expect to find shared library file in lib/sqlite3")
 
-      actual = gemfile_contents.find_all do |p|
-        File.fnmatch?("lib/sqlite3/**/*.{so,bundle}", p, File::FNM_EXTGLOB)
+      it "sets required_ruby_version appropriately" do
+        unsupported_versions = all_supported_ruby_versions - platform_supported_ruby_versions
+        platform_supported_ruby_versions.each do |v|
+          assert(
+            gemspec.required_ruby_version.satisfied_by?(Gem::Version.new(v)),
+            "required_ruby_version='#{gemspec.required_ruby_version}' should support ruby #{v}"
+          )
+        end
+        unsupported_versions.each do |v|
+          refute(
+            gemspec.required_ruby_version.satisfied_by?(Gem::Version.new(v)),
+            "required_ruby_version='#{gemspec.required_ruby_version}' should not support ruby #{v}"
+          )
+        end
       end
-      assert_equal(
-        platform_supported_ruby_versions.length,
-        actual.length,
-        "did not expect extra shared library files",
-      )
-    end
 
-    it "sets required_ruby_version appropriately" do
-      unsupported_versions = all_supported_ruby_versions - platform_supported_ruby_versions
-      platform_supported_ruby_versions.each do |v|
-        assert(
-          gemspec.required_ruby_version.satisfied_by?(Gem::Version.new(v)),
-          "required_ruby_version='#{gemspec.required_ruby_version}' should support ruby #{v}",
-        )
+      it "does not set metadata for msys2" do
+        assert_nil(gemspec.metadata["msys2_mingw_dependencies"])
       end
-      unsupported_versions.each do |v|
-        refute(
-          gemspec.required_ruby_version.satisfied_by?(Gem::Version.new(v)),
-          "required_ruby_version='#{gemspec.required_ruby_version}' should not support ruby #{v}",
-        )
-      end
-    end
-
-    it "does not set metadata for msys2" do
-      assert_nil(gemspec.metadata["msys2_mingw_dependencies"])
     end
-  end if gemspec.platform.is_a?(Gem::Platform) && gemspec.platform.cpu
+  end
 end