Added Integration test to prove functionality

Co-authored-by: JoshWilsonWTG <[email protected]>

github/resource_github_branch_default_test.go

@@ -168,4 +168,126 @@ func TestAccGithubBranchDefault(t *testing.T) {
 		})
 
 	})
+
+	t.Run("replaces the default_branch of a repository without creating a branch resource prior to", func(t *testing.T) {
+
+		config := fmt.Sprintf(`
+			resource "github_repository" "test" {
+				name      = "tf-acc-test-%s"
+				auto_init = true
+			}
+			
+			resource "github_branch_default" "test"{
+				repository = github_repository.test.name
+				branch     = "development"
+				rename     = true
+			}
+
+		`, randomID)
+
+		check := resource.ComposeTestCheckFunc(
+			resource.TestCheckResourceAttr(
+				"github_branch_default.test", "branch",
+				"development",
+			),
+		)
+
+		testCase := func(t *testing.T, mode string) {
+
+			ts := githubApiMock([]*mockResponse{})
+			defer ts.Close()
+
+			d := resourceGithubBranchDefault().Data(nil)
+			meta := testAccProvider.Meta()
+			err := resourceGithubBranchDefaultUpdate(d, meta)
+
+			if err != nil {
+				t.Logf("Unexpected error: %s", err)
+				t.Fail()
+			}
+
+			resource.Test(t, resource.TestCase{
+				PreCheck:  func() { skipUnlessMode(t, mode) },
+				Providers: testAccProviders,
+				Steps: []resource.TestStep{
+					{
+						Config: config,
+						Check:  check,
+					},
+				},
+			})
+		}
+
+		t.Run("with an anonymous account", func(t *testing.T) {
+			t.Skip("anonymous account not supported for this operation")
+		})
+
+		t.Run("with an individual account", func(t *testing.T) {
+			testCase(t, individual)
+		})
+
+		t.Run("with an organization account", func(t *testing.T) {
+			testCase(t, organization)
+		})
+
+	})
+
+	t.Run("uses the rename functionality of the default_branch where the default_branch is already set as expected", func(t *testing.T) {
+
+		initial_config := fmt.Sprintf(`
+			resource "github_repository" "test" {
+				name      = "tf-acc-test-%s"
+				auto_init = true
+			}
+
+			resource "github_branch_default" "test"{
+				repository = github_repository.test.name
+				branch     = "main"
+				rename     = false
+			}
+
+		`, randomID)
+
+		updated_config := fmt.Sprintf(`
+			resource "github_repository" "test" {
+				name      = "tf-acc-test-%s"
+				auto_init = true
+			}
+
+			resource "github_branch_default" "test"{
+				repository = github_repository.test.name
+				branch     = "main"
+				rename     = true
+			}
+
+		`, randomID)
+
+		testCase := func(t *testing.T, mode string) {
+			resource.Test(t, resource.TestCase{
+				PreCheck:  func() { skipUnlessMode(t, mode) },
+				Providers: testAccProviders,
+				Steps: []resource.TestStep{
+					{
+						Config: initial_config,
+					},
+					{
+						Config: updated_config,
+					},
+				},
+			})
+		}
+
+		t.Run("with an anonymous account", func(t *testing.T) {
+			t.Skip("anonymous account not supported for this operation")
+		})
+
+		t.Run("with an individual account", func(t *testing.T) {
+			testCase(t, individual)
+		})
+
+		t.Run("with an organization account", func(t *testing.T) {
+			testCase(t, organization)
+		})
+
+	})
 }