swiftpm-mustache/Tests/MustacheTests/ErrorTests.swift

//===----------------------------------------------------------------------===//
//
// This source file is part of the Hummingbird server framework project
//
// Copyright (c) 2021-2021 the Hummingbird authors
// Licensed under Apache License v2.0
//
// See LICENSE.txt for license information
// See hummingbird/CONTRIBUTORS.txt for the list of Hummingbird authors
//
// SPDX-License-Identifier: Apache-2.0
//
//===----------------------------------------------------------------------===//

import Mustache
import XCTest

final class ErrorTests: XCTestCase {
    func testSectionCloseNameIncorrect() {
        XCTAssertThrowsError(
            try MustacheTemplate(
                string: """
                    {{#test}}
                    {{.}}
                    {{/test2}}
                    """
            )
        ) { error in
            switch error {
            case let error as MustacheTemplate.ParserError:
                XCTAssertEqual(error.error as? MustacheTemplate.Error, .sectionCloseNameIncorrect)
                XCTAssertEqual(error.context.line, "{{/test2}}")
                XCTAssertEqual(error.context.lineNumber, 3)
                XCTAssertEqual(error.context.columnNumber, 4)

            default:
                XCTFail("\(error)")
            }
        }
    }

    func testUnfinishedName() {
        XCTAssertThrowsError(
            try MustacheTemplate(
                string: """
                    {{#test}}
                    {{name}
                    {{/test2}}
                    """
            )
        ) { error in
            switch error {
            case let error as MustacheTemplate.ParserError:
                XCTAssertEqual(error.error as? MustacheTemplate.Error, .unfinishedName)
                XCTAssertEqual(error.context.line, "{{name}")
                XCTAssertEqual(error.context.lineNumber, 2)
                XCTAssertEqual(error.context.columnNumber, 7)

            default:
                XCTFail("\(error)")
            }
        }
    }

    func testExpectedSectionEnd() {
        XCTAssertThrowsError(
            try MustacheTemplate(
                string: """
                    {{#test}}
                    {{.}}
                    """
            )
        ) { error in
            switch error {
            case let error as MustacheTemplate.ParserError:
                XCTAssertEqual(error.error as? MustacheTemplate.Error, .expectedSectionEnd)
                XCTAssertEqual(error.context.line, "{{.}}")
                XCTAssertEqual(error.context.lineNumber, 2)
                XCTAssertEqual(error.context.columnNumber, 6)

            default:
                XCTFail("\(error)")
            }
        }
    }

    func testInvalidSetDelimiter() {
        XCTAssertThrowsError(
            try MustacheTemplate(
                string: """
                    {{=<% %>=}}
                    <%.%>
                    <%={{}}=%>
                    """
            )
        ) { error in
            switch error {
            case let error as MustacheTemplate.ParserError:
                XCTAssertEqual(error.error as? MustacheTemplate.Error, .invalidSetDelimiter)
                XCTAssertEqual(error.context.line, "<%={{}}=%>")
                XCTAssertEqual(error.context.lineNumber, 3)
                XCTAssertEqual(error.context.columnNumber, 4)

            default:
                XCTFail("\(error)")
            }
        }
    }
}