1 files changed, 67 insertions, 0 deletions
diff --git a/tests/bcr/runfiles/runfiles_test.go b/tests/bcr/runfiles/runfiles_test.go
new file mode 100644
index 00000000..ea82e976
--- /dev/null
+++ b/tests/bcr/runfiles/runfiles_test.go
@@ -0,0 +1,67 @@
+package runfiles
+
+import (
+	"os"
+	"testing"
+
+	"github.com/bazelbuild/rules_go/go/runfiles"
+)
+
+func TestRunfilesApparent(t *testing.T) {
+	path, err := runfiles.Rlocation("other_module/bar.txt")
+	if err != nil {
+		t.Fatalf("runfiles.Path: %v", err)
+	}
+	assertRunfile(t, path)
+}
+
+func TestRunfilesApparentSourceRepositoryOption(t *testing.T) {
+	r, err := runfiles.New(runfiles.SourceRepo(runfiles.CurrentRepository()))
+	if err != nil {
+		t.Fatalf("runfiles.New: %v", err)
+	}
+	path, err := r.Rlocation("other_module/bar.txt")
+	if err != nil {
+		t.Fatalf("runfiles.Path: %v", err)
+	}
+	assertRunfile(t, path)
+}
+
+func TestRunfilesApparentWithSourceRepository(t *testing.T) {
+	r, err := runfiles.New()
+	if err != nil {
+		t.Fatalf("runfiles.New: %v", err)
+	}
+	r = r.WithSourceRepo(runfiles.CurrentRepository())
+	path, err := r.Rlocation("other_module/bar.txt")
+	if err != nil {
+		t.Fatalf("runfiles.Path: %v", err)
+	}
+	assertRunfile(t, path)
+}
+
+func TestRunfilesFromApparent(t *testing.T) {
+	path, err := runfiles.RlocationFrom("other_module/bar.txt", runfiles.CurrentRepository())
+	if err != nil {
+		t.Fatalf("runfiles.Path: %v", err)
+	}
+	assertRunfile(t, path)
+}
+
+func TestRunfilesCanonical(t *testing.T) {
+	path, err := runfiles.Rlocation(os.Args[1])
+	if err != nil {
+		t.Fatalf("runfiles.Path: %v", err)
+	}
+	assertRunfile(t, path)
+}
+
+func assertRunfile(t *testing.T, path string) {
+	content, err := os.ReadFile(path)
+	if err != nil {
+		t.Fatalf("os.ReadFile: %v", err)
+	}
+	if string(content) != "hello\n" {
+		t.Fatalf("got %q; want %q", content, "hello\n")
+	}
+}