Add failing regression test for files with colon in name

Signed-off-by: Timo Sand <timo.sand@f-secure.com>

Author: deiga

github/resource_github_repository_file_test.go

@@ -8,6 +8,9 @@ import (
 
 	"github.com/hashicorp/terraform-plugin-testing/helper/acctest"
 	"github.com/hashicorp/terraform-plugin-testing/helper/resource"
+	"github.com/hashicorp/terraform-plugin-testing/knownvalue"
+	"github.com/hashicorp/terraform-plugin-testing/statecheck"
+	"github.com/hashicorp/terraform-plugin-testing/tfjsonpath"
 )
 
 func TestAccGithubRepositoryFile(t *testing.T) {
@@ -455,4 +458,47 @@ func TestAccGithubRepositoryFile(t *testing.T) {
 			},
 		})
 	})
+
+	t.Run("verify_that_id_can_contain_colon_in_file_path", func(t *testing.T) {
+		randomID := acctest.RandString(5)
+		repoName := fmt.Sprintf("%srepo-file-%s", testResourcePrefix, randomID)
+		filePathWithColon := "repro/example:one.yaml"
+		config := fmt.Sprintf(`
+
+			resource "github_repository" "test" {
+				name                 = "%s"
+				auto_init            = true
+				vulnerability_alerts = true
+			}
+
+			resource "github_repository_file" "test" {
+				repository     = github_repository.test.name
+				branch         = "main"
+				file           = "%s"
+				content        = "bar"
+				commit_message = "Managed by Terraform"
+				commit_author  = "Terraform User"
+				commit_email   = "terraform@example.com"
+			}
+		`, repoName, filePathWithColon)
+
+		resource.Test(t, resource.TestCase{
+			PreCheck:          func() { skipUnauthenticated(t) },
+			ProviderFactories: providerFactories,
+			Steps: []resource.TestStep{
+				{
+					Config: config,
+					ConfigStateChecks: []statecheck.StateCheck{
+						statecheck.ExpectKnownValue("github_repository_file.test", tfjsonpath.New("id"), knownvalue.StringFunc(func(v string) error {
+							if strings.Contains(v, escapeIDPart(filePathWithColon)) {
+								return nil
+							}
+							return fmt.Errorf("expected id to contain escaped file path, got: %s", v)
+						})),
+						statecheck.ExpectKnownValue("github_repository_file.test", tfjsonpath.New("file"), knownvalue.StringExact(filePathWithColon)),
+					},
+				},
+			},
+		})
+	})
 }