lang_test.go

package visibility_test

import (
	"fmt"
	"testing"

	"github.com/bazelbuild/bazel-gazelle/language/bazel/visibility"
	"github.com/bazelbuild/bazel-gazelle/config"
	"github.com/bazelbuild/bazel-gazelle/label"
	"github.com/bazelbuild/bazel-gazelle/language"
	"github.com/bazelbuild/bazel-gazelle/rule"
	"github.com/stretchr/testify/require"
)

func TestNoopsBecauseILoveCoverage(t *testing.T) {
	ext := visibility.NewLanguage()

	ext.RegisterFlags(nil /* flagset */, "command", nil /* config */)
	ext.Resolve(nil /* config */, nil /* RuleIndex */, nil /* RemoteCache */, nil /* Rule */, nil /* imports */, label.New("repo", "pkg", "name"))
	ext.Fix(nil /* config */, nil /* File */)
	require.Nil(t, ext.CheckFlags(nil /* flagset */, nil /* config */))
	require.Nil(t, ext.Imports(nil /* rule */, nil /* rule */, nil /* file */))
	require.Nil(t, ext.Embeds(nil /* rule */, label.New("repo", "pkg", "name")))
	require.Nil(t, ext.Loads())
	require.NotNil(t, ext.KnownDirectives())
	require.NotNil(t, ext.Name())
}

func Test_NoDirective(t *testing.T) {
	cfg := config.New()
	file := rule.EmptyFile("path", "pkg")

	ext := visibility.NewLanguage()
	ext.Configure(cfg, "rel", file)
	res := ext.GenerateRules(language.GenerateArgs{Config: cfg})

	require.Len(t, res.Imports, 0)
	require.Len(t, res.Gen, 0)
}

func Test_NewDirective(t *testing.T) {
	testVis := "//src:__subpackages__"
	cfg := config.New()
	file, err := rule.LoadData("path", "pkg", []byte(fmt.Sprintf("# gazelle:default_visibility %s", testVis)))
	require.Nil(t, err)

	ext := visibility.NewLanguage()
	ext.Configure(cfg, "rel", file)
	res := ext.GenerateRules(language.GenerateArgs{Config: cfg})

	require.Len(t, res.Gen, 1)
	require.Len(t, res.Imports, 1)
	require.Len(t, res.Gen[0].AttrStrings("default_visibility"), 1)
	require.Equal(t, testVis, res.Gen[0].AttrStrings("default_visibility")[0])
}

func Test_ReplacementDirective(t *testing.T) {
	testVis := "//src:__subpackages__"
	cfg := config.New()
	file, err := rule.LoadData("path", "pkg", []byte(fmt.Sprintf(`
# gazelle:default_visibility %s

package(default_visibility = "//not-src:__subpackages__")
`, testVis)))
	require.Nil(t, err)

	ext := visibility.NewLanguage()
	ext.Configure(cfg, "rel", file)
	res := ext.GenerateRules(language.GenerateArgs{Config: cfg})

	require.Len(t, res.Gen, 1)
	require.Len(t, res.Imports, 1)
	require.Len(t, res.Gen[0].AttrStrings("default_visibility"), 1)
	require.Equal(t, testVis, res.Gen[0].AttrStrings("default_visibility")[0])