vendor tsgo

tools/tsgo/internal/tspath/untitled_test.go

@@ -0,0 +1,61 @@
+package tspath_test
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/tspath"
+	"gotest.tools/v3/assert"
+)
+
+func TestUntitledPathHandling(t *testing.T) {
+	t.Parallel()
+	// Test that untitled paths are treated as rooted
+	untitledPath := "^/untitled/ts-nul-authority/Untitled-2"
+
+	// GetEncodedRootLength should return 2 for "^/"
+	rootLength := tspath.GetEncodedRootLength(untitledPath)
+	assert.Equal(t, rootLength, 2, "GetEncodedRootLength should return 2 for untitled paths")
+
+	// IsRootedDiskPath should return true
+	isRooted := tspath.IsRootedDiskPath(untitledPath)
+	assert.Assert(t, isRooted, "IsRootedDiskPath should return true for untitled paths")
+
+	// ToPath should not resolve untitled paths against current directory
+	currentDir := "/home/user/project"
+	path := tspath.ToPath(untitledPath, currentDir, true)
+	// The path should be the original untitled path
+	assert.Equal(t, string(path), "^/untitled/ts-nul-authority/Untitled-2", "ToPath should not resolve untitled paths against current directory")
+
+	// Test GetNormalizedAbsolutePath doesn't resolve untitled paths
+	normalized := tspath.GetNormalizedAbsolutePath(untitledPath, currentDir)
+	assert.Equal(t, normalized, "^/untitled/ts-nul-authority/Untitled-2", "GetNormalizedAbsolutePath should not resolve untitled paths")
+}
+
+func TestUntitledPathEdgeCases(t *testing.T) {
+	t.Parallel()
+	// Test edge cases
+	testCases := []struct {
+		path     string
+		expected int
+		isRooted bool
+	}{
+		{"^/", 2, true}, // Minimal untitled path
+		{"^/untitled/ts-nul-authority/test", 2, true}, // Normal untitled path
+		{"^", 0, false},   // Just ^ is not rooted
+		{"^x", 0, false},  // ^x is not untitled
+		{"^^/", 0, false}, // ^^/ is not untitled
+		{"x^/", 0, false}, // x^/ is not untitled (doesn't start with ^)
+		{"^/untitled/ts-nul-authority/path/with/deeper/structure", 2, true}, // Deeper path
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.path, func(t *testing.T) {
+			t.Parallel()
+			rootLength := tspath.GetEncodedRootLength(tc.path)
+			assert.Equal(t, rootLength, tc.expected, "GetEncodedRootLength for path %s", tc.path)
+
+			isRooted := tspath.IsRootedDiskPath(tc.path)
+			assert.Equal(t, isRooted, tc.isRooted, "IsRootedDiskPath for path %s", tc.path)
+		})
+	}
+}