// Copyright 2017 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT

package validation

import (
	"testing"

	"code.forgejo.org/go-chi/binding"
)

var gitRefNameValidationTestCases = []validationTestCase{
	{
		description: "Reference name contains only characters",
		data: TestForm{
			BranchName: "test",
		},
		expectedErrors: binding.Errors{},
	},
	{
		description: "Reference name contains single slash",
		data: TestForm{
			BranchName: "feature/test",
		},
		expectedErrors: binding.Errors{},
	},
	{
		description: "Reference name has allowed special characters",
		data: TestForm{
			BranchName: "debian/1%1.6.0-2",
		},
		expectedErrors: binding.Errors{},
	},
	{
		description: "Reference name contains backslash",
		data: TestForm{
			BranchName: "feature\\test",
		},
		expectedErrors: binding.Errors{
			binding.Error{
				FieldNames:     []string{"BranchName"},
				Classification: ErrGitRefName,
				Message:        "GitRefName",
			},
		},
	},
	{
		description: "Reference name starts with dot",
		data: TestForm{
			BranchName: ".test",
		},
		expectedErrors: binding.Errors{
			binding.Error{
				FieldNames:     []string{"BranchName"},
				Classification: ErrGitRefName,
				Message:        "GitRefName",
			},
		},
	},
	{
		description: "Reference name ends with dot",
		data: TestForm{
			BranchName: "test.",
		},
		expectedErrors: binding.Errors{
			binding.Error{
				FieldNames:     []string{"BranchName"},
				Classification: ErrGitRefName,
				Message:        "GitRefName",
			},
		},
	},
	{
		description: "Reference name starts with slash",
		data: TestForm{
			BranchName: "/test",
		},
		expectedErrors: binding.Errors{
			binding.Error{
				FieldNames:     []string{"BranchName"},
				Classification: ErrGitRefName,
				Message:        "GitRefName",
			},
		},
	},
	{
		description: "Reference name ends with slash",
		data: TestForm{
			BranchName: "test/",
		},
		expectedErrors: binding.Errors{
			binding.Error{
				FieldNames:     []string{"BranchName"},
				Classification: ErrGitRefName,
				Message:        "GitRefName",
			},
		},
	},
	{
		description: "Reference name ends with .lock",
		data: TestForm{
			BranchName: "test.lock",
		},
		expectedErrors: binding.Errors{
			binding.Error{
				FieldNames:     []string{"BranchName"},
				Classification: ErrGitRefName,
				Message:        "GitRefName",
			},
		},
	},
	{
		description: "Reference name contains multiple consecutive dots",
		data: TestForm{
			BranchName: "te..st",
		},
		expectedErrors: binding.Errors{
			binding.Error{
				FieldNames:     []string{"BranchName"},
				Classification: ErrGitRefName,
				Message:        "GitRefName",
			},
		},
	},
	{
		description: "Reference name contains multiple consecutive slashes",
		data: TestForm{
			BranchName: "te//st",
		},
		expectedErrors: binding.Errors{
			binding.Error{
				FieldNames:     []string{"BranchName"},
				Classification: ErrGitRefName,
				Message:        "GitRefName",
			},
		},
	},
	{
		description: "Reference name is single @",
		data: TestForm{
			BranchName: "@",
		},
		expectedErrors: binding.Errors{
			binding.Error{
				FieldNames:     []string{"BranchName"},
				Classification: ErrGitRefName,
				Message:        "GitRefName",
			},
		},
	},
	{
		description: "Reference name has @{",
		data: TestForm{
			BranchName: "branch@{",
		},
		expectedErrors: binding.Errors{
			binding.Error{
				FieldNames:     []string{"BranchName"},
				Classification: ErrGitRefName,
				Message:        "GitRefName",
			},
		},
	},
	{
		description: "Reference name has unallowed special character ~",
		data: TestForm{
			BranchName: "~debian/1%1.6.0-2",
		},
		expectedErrors: binding.Errors{
			binding.Error{
				FieldNames:     []string{"BranchName"},
				Classification: ErrGitRefName,
				Message:        "GitRefName",
			},
		},
	},
	{
		description: "Reference name has unallowed special character *",
		data: TestForm{
			BranchName: "*debian/1%1.6.0-2",
		},
		expectedErrors: binding.Errors{
			binding.Error{
				FieldNames:     []string{"BranchName"},
				Classification: ErrGitRefName,
				Message:        "GitRefName",
			},
		},
	},
	{
		description: "Reference name has unallowed special character ?",
		data: TestForm{
			BranchName: "?debian/1%1.6.0-2",
		},
		expectedErrors: binding.Errors{
			binding.Error{
				FieldNames:     []string{"BranchName"},
				Classification: ErrGitRefName,
				Message:        "GitRefName",
			},
		},
	},
	{
		description: "Reference name has unallowed special character ^",
		data: TestForm{
			BranchName: "^debian/1%1.6.0-2",
		},
		expectedErrors: binding.Errors{
			binding.Error{
				FieldNames:     []string{"BranchName"},
				Classification: ErrGitRefName,
				Message:        "GitRefName",
			},
		},
	},
	{
		description: "Reference name has unallowed special character :",
		data: TestForm{
			BranchName: "debian:jessie",
		},
		expectedErrors: binding.Errors{
			binding.Error{
				FieldNames:     []string{"BranchName"},
				Classification: ErrGitRefName,
				Message:        "GitRefName",
			},
		},
	},
	{
		description: "Reference name has unallowed special character (whitespace)",
		data: TestForm{
			BranchName: "debian jessie",
		},
		expectedErrors: binding.Errors{
			binding.Error{
				FieldNames:     []string{"BranchName"},
				Classification: ErrGitRefName,
				Message:        "GitRefName",
			},
		},
	},
	{
		description: "Reference name has unallowed special character [",
		data: TestForm{
			BranchName: "debian[jessie",
		},
		expectedErrors: binding.Errors{
			binding.Error{
				FieldNames:     []string{"BranchName"},
				Classification: ErrGitRefName,
				Message:        "GitRefName",
			},
		},
	},
}

func Test_GitRefNameValidation(t *testing.T) {
	AddBindingRules()

	for _, testCase := range gitRefNameValidationTestCases {
		t.Run(testCase.description, func(t *testing.T) {
			performValidationTest(t, testCase)
		})
	}
}