Add helper for temporarily disabling forking

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

Author: deiga

github/acc_helpers_test.go

@@ -631,3 +631,31 @@ func mustUpdateRepositoryDependabotSecret(t *testing.T, repo *github.Repository,
 		t.Fatalf("failed to update test repository dependabot secret: %v", err)
 	}
 }
+
+func mustDisableForkingForOrganization(t *testing.T, orgName string) {
+	t.Helper()
+
+	currentSettings, _, err := testAccConf.meta.v3client.Organizations.Get(t.Context(), orgName)
+	if err != nil {
+		t.Fatalf("failed to get current organization settings for %s: %v", orgName, err)
+	}
+
+	if currentSettings.GetMembersCanForkPrivateRepos() == false {
+		return
+	}
+
+	orgSettingsReq := &github.Organization{
+		MembersCanForkPrivateRepos: new(false),
+	}
+
+	_, _, err = testAccConf.meta.v3client.Organizations.Edit(t.Context(), orgName, orgSettingsReq)
+	if err != nil {
+		t.Fatalf("failed to update organization settings for %s: %v", orgName, err)
+	}
+
+	t.Cleanup(func() {
+		if _, _, err := testAccConf.meta.v3client.Organizations.Edit(context.WithoutCancel(t.Context()), orgName, &github.Organization{MembersCanForkPrivateRepos: new(true)}); err != nil {
+			t.Logf("failed to reset organization setting for %s: %v", orgName, err)
+		}
+	})
+}

github/resource_github_repository_test.go

@@ -1376,7 +1376,7 @@ resource "github_repository" "test" {
 	t.Run("check_allow_forking_not_set", func(t *testing.T) {
 		t.Parallel()
 
-		t.Skip("This test should be run manually after confirming that the test organization has been correctly configured to disable setting forking at the repo level.")
+		mustDisableForkingForOrganization(t, testAccConf.owner)
 
 		randomID := acctest.RandStringFromCharSet(5, acctest.CharSetAlphaNum)
 		testRepoName := fmt.Sprintf("%s%s", testResourcePrefix, randomID)
@@ -1390,7 +1390,7 @@ resource "github_repository" "private" {
 `
 
 		resource.Test(t, resource.TestCase{
-			PreCheck:          func() { skipUnauthenticated(t) },
+			PreCheck:          func() { skipUnlessHasOrgs(t) },
 			ProviderFactories: providerFactories,
 			Steps: []resource.TestStep{
 				{
@@ -1399,9 +1399,6 @@ resource "github_repository" "private" {
 						statecheck.ExpectKnownValue("github_repository.private", tfjsonpath.New("allow_forking"), knownvalue.Bool(false)),
 					},
 				},
-				{
-					Config: fmt.Sprintf(config, testRepoName, "bar"),
-				},
 			},
 		})
 	})