Add connparse tests for Windows and WSL (#1844)

Also fixes the S3 test

pkg/remote/connparse/connparse_test.go

@@ -229,7 +229,98 @@ func TestParseURI_WSHLocalShorthand(t *testing.T) {
 	if c.GetFullURI() != expected {
 		t.Fatalf("expected full URI to be %q, got %q", expected, c.GetFullURI())
 	}
+}
+
+func TestParseURI_WSHWSL(t *testing.T) {
+	t.Parallel()
+	cstr := "wsh://wsl://Ubuntu/path/to/file"
+
+	testUri := func() {
+		c, err := connparse.ParseURI(cstr)
+		if err != nil {
+			t.Fatalf("failed to parse URI: %v", err)
+		}
+		expected := "/path/to/file"
+		if c.Path != expected {
+			t.Fatalf("expected path to be %q, got %q", expected, c.Path)
+		}
+		expected = "wsl://Ubuntu"
+		if c.Host != expected {
+			t.Fatalf("expected host to be %q, got %q", expected, c.Host)
+		}
+		expected = "wsh"
+		if c.Scheme != expected {
+			t.Fatalf("expected scheme to be %q, got %q", expected, c.Scheme)
+		}
+		expected = "wsh://wsl://Ubuntu/path/to/file"
+		if expected != c.GetFullURI() {
+			t.Fatalf("expected full URI to be %q, got %q", expected, c.GetFullURI())
+		}
+	}
+	t.Log("Testing with scheme")
+	testUri()
+
+	t.Log("Testing without scheme")
+	cstr = "//wsl://Ubuntu/path/to/file"
+	testUri()
+}
+
+func TestParseUri_LocalWindowsAbsPath(t *testing.T) {
+	t.Parallel()
+	cstr := "wsh://local/C:\\path\\to\\file"
 
+	testAbsPath := func() {
+		c, err := connparse.ParseURI(cstr)
+		if err != nil {
+			t.Fatalf("failed to parse URI: %v", err)
+		}
+		expected := "C:\\path\\to\\file"
+		if c.Path != expected {
+			t.Fatalf("expected path to be %q, got %q", expected, c.Path)
+		}
+		expected = "local"
+		if c.Host != expected {
+			t.Fatalf("expected host to be %q, got %q", expected, c.Host)
+		}
+		expected = "wsh"
+		if c.Scheme != expected {
+			t.Fatalf("expected scheme to be %q, got %q", expected, c.Scheme)
+		}
+		expected = "wsh://local/C:\\path\\to\\file"
+		if c.GetFullURI() != expected {
+			t.Fatalf("expected full URI to be %q, got %q", expected, c.GetFullURI())
+		}
+	}
+
+	t.Log("Testing with scheme")
+	testAbsPath()
+	t.Log("Testing without scheme")
+	cstr = "//local/C:\\path\\to\\file"
+	testAbsPath()
+}
+
+func TestParseURI_LocalWindowsRelativeShorthand(t *testing.T) {
+	cstr := "/~\\path\\to\\file"
+	c, err := connparse.ParseURI(cstr)
+	if err != nil {
+		t.Fatalf("failed to parse URI: %v", err)
+	}
+	expected := "~\\path\\to\\file"
+	if c.Path != expected {
+		t.Fatalf("expected path to be %q, got %q", expected, c.Path)
+	}
+	expected = "local"
+	if c.Host != expected {
+		t.Fatalf("expected host to be %q, got %q", expected, c.Host)
+	}
+	expected = "wsh"
+	if c.Scheme != expected {
+		t.Fatalf("expected scheme to be %q, got %q", expected, c.Scheme)
+	}
+	expected = "wsh://local/~\\path\\to\\file"
+	if c.GetFullURI() != expected {
+		t.Fatalf("expected full URI to be %q, got %q", expected, c.GetFullURI())
+	}
 }
 
 func TestParseURI_BasicS3(t *testing.T) {
@@ -239,7 +330,7 @@ func TestParseURI_BasicS3(t *testing.T) {
 	if err != nil {
 		t.Fatalf("failed to parse URI: %v", err)
 	}
-	expected := "/path/to/file"
+	expected := "path/to/file"
 	if c.Path != expected {
 		t.Fatalf("expected path to be %q, got %q", expected, c.Path)
 	}