SuitestAutomation/suitest-js-api

const Ajv = require('ajv');
const {path, has} = require('ramda');
const SuitestError = require('../utils/SuitestError');
const schemasMap = require('./jsonSchemas');
const {invalidInput} = require('../texts');
const validationKeys = require('../constants/validationKeys');
const {ELEMENT_PROP} = require('../mappings');
const {ELEMENT_PROP_TYPES} = require('./elementPropTypes');
const {invalidUntilChain, incorrectElementIndex, invalidInheredProps, invalidVideoInheredProps} = require('../texts');
const {VALUE} = require('../constants/element');
const {arrToString} = require('../utils/stringUtils');
const ajv = new Ajv({
    verbose: true,
});

/**
 * Compile json schemas
 */
const schemaValidators = Object.getOwnPropertySymbols(schemasMap).reduce((map, key) => ({
    ...map,
    [key]: ajv.compile(schemasMap[key]),
}), {});

function throwError(text) {
    throw new SuitestError(
        `${invalidInput()} ${text}`,
        SuitestError.INVALID_INPUT,
    );
}

function validSuitestVariable(value) {
    return typeof value === 'string' && !/^<%.+%>$/.test(value);
}

/**
 * @description returns prettified errors messages for element properties errors
 * @param {Object} validate
 * @returns {string[]}
 */
function prettifyElementPropsErrors(validate) {
    const getDataName = path(['data', 'name']);

    return validate.errors
        .filter(getDataName)
        .map(i => {
            const dataName = getDataName(i);

            if (Object.values(ELEMENT_PROP).includes(dataName)) {
                const elementPropTye = ELEMENT_PROP_TYPES[dataName];

                return `Element property '${dataName}' should be of type ${elementPropTye}`;
            }

            return `Element property ${dataName.toString()} is unknown.`;
        });
}

/**
 * @description returns prettified errors messages for element selector
 * @param {Object} validate
 * @returns {string[]}
 */
function prettifyElementSelectorsErrors(validate) {
    return validate.errors.map(error => {
        if (error.dataPath === '.index') {
            return incorrectElementIndex();
        }
        // check if element selector contains additional properties
        if (error.keyword === 'additionalProperties') {
            const properties = Object.keys(error.parentSchema.properties);
            const additionalProperties = Object.keys(error.data)
                .filter(prop => !properties.includes(prop))
                .join(', ');

            // will be something like:
            // Element selector should NOT have additional properties: otherProp, otherProp2
            return `${error.message}: ${additionalProperties || error.params.additionalProperty}`;
        }

        return error.message;
    });
}

function prettifyValidatorErrorMessage(err) {
    if (err.keyword === 'enum') {
        return `${err.message}: "${err.params.allowedValues.join('", "')}"`; // -> ...of the allowed values: "all", "currentUrl"
    }

    return err.message;
}

function prettifyJsonSchemaErrors(validate) {
    let errors = [];

    if (validate.schema.schemaId === validationKeys.ELEMENT_PROPS) {
        errors = prettifyElementPropsErrors(validate);
    } else if (validate.schema.schemaId === validationKeys.CONFIGURE) {
        errors = validate.errors.map(i => {
            if (i.keyword === 'additionalProperties') {
                // example: Invalid input provided for configuration object. It should NOT have additional properties: 'screenshotDir'
                return `It ${i.message}: '${i.params.additionalProperty}'`;
            }

            // example: Invalid input provided for configuration object. 'disallowCrashReports' should be boolean.
            return `'${i.dataPath.slice(1)}' ${i.message}.`;
        });
    } else if (
        [
            validationKeys.ELEMENT_ATTRIBUTES,
            validationKeys.CSS_PROPS,
            validationKeys.COOKIE_PROPS,
        ].includes(validate.schema.schemaId)
    ) {
        errors = validate.errors.map(err => {
            if (!err.dataPath) {
                return err.message;
            }

            // Example:
            // Element attributes item at [1] index should be string
            return `item at ${err.dataPath} index ${prettifyValidatorErrorMessage(err)}`;
        });
    } else if (validate.schema.schemaId === validationKeys.ELEMENT_SELECTOR) {
        errors = prettifyElementSelectorsErrors(validate);
    } else {
        errors = validate.errors.map(err => {
            if (err.keyword === 'enum') {
                return `${err.message}: "${err.params.allowedValues.join('", "')}"`; // -> ...of the allowed values: "all", "currentUrl"
            }
            if (err.dataPath) {
                return err.dataPath + ' ' + err.message;
            }

            return err.message;
        });
    }

    return arrToString(errors.filter((i, pos, arr) => i && arr.indexOf(i) === pos));
}

/**
 * Perform ajv validation.
 * In case of invalid data, throw suitest error
 * @param {*|Symbol} schemaKey json schema of schemas map key
 * @param {*} data
 * @param {String} errorMessage
 * @returns {*} input data or throws error
 * @throws SuitestError
 */
function validateJsonSchema(schemaKey, data, errorMessage) {
    errorMessage = errorMessage ? errorMessage + ' ' : '';
    const validate = schemaValidators[schemaKey];
    const valid = validate(data);

    if (!valid) {
        throwError(errorMessage + prettifyJsonSchemaErrors(validate));
    }

    return data;
}

const validateNotNegativeNumber = (val, name) => {
    if (!Number.isFinite(val) || val < 0) {
        throwError(name + ' should be not negative number');
    }

    return val;
};

const validatePositiveNumber = (val, name) => {
    if (!Number.isFinite(val) || val <= 0) {
        throwError(name + ' should be positive number');
    }

    return val;
};

const validateNumber = (val, name) => {
    if (!Number.isFinite(val)) {
        throwError(name + ' should be number');
    }

    return val;
};

const createStVarOrNumberValidator = ({
    notNegativeNumbers = false,
    positiveNumbers = false,
}) => (val, name) => {
    if (
        !['number', 'string'].includes(typeof val)
        || validSuitestVariable(val)
    ) {
        throwError(name + ' should be suitest configuration variable or number');
    } else if (typeof val === 'number') {
        if (positiveNumbers) {
            validatePositiveNumber(val, name);
        } else if (notNegativeNumbers) {
            validateNotNegativeNumber(val, name);
        } else {
            validateNumber(val, name);
        }
    }

    return val;
};

const validateStVarOrNumber = createStVarOrNumberValidator({});
const validateStVarOrPositiveNumber = createStVarOrNumberValidator({notNegativeNumbers: true});
const validateStVarOrPositiveNumberNotZero = createStVarOrNumberValidator({positiveNumbers: true});

const validateNonEmptyStringOrUndefined = (val, name) => {
    if (typeof val === 'string' && val.length || val === undefined) {
        return val;
    }

    throwError(name + ' should be non empty string or undefined');
};

const validateNonEmptyStringOrNull = (val, name) => {
    if (typeof val === 'string' && val.length || val === null) {
        return val;
    }

    throwError(name + ' should be non empty string or null');
};

const validateNonEmptyArrayOfStrings = (val, text) => {
    if (!Array.isArray(val) || !val.length || val.some(i => !i || typeof i !== 'string')) {
        throwError(text);
    }

    return val;
};

// TODO refactor this to check chain type by Symbol and not by JSON values
const allowedUntilConditionChainTypes = [
    'application',
    'cookie',
    'element',
    'javascript',
    'location',
    'network',
    'video',
    'psVideo',
];

const allowedUntilConditionChainNames = [
    'application',
    'cookie',
    'element',
    'jsExpression',
    'location',
    'networkRequest',
    'video',
    'psVideo',
];

const getSubjectType = path(['request', 'condition', 'subject', 'type']);

const validateUntilConditionChain = json => {
    const subjectType = getSubjectType(json);

    // should be one of allowed chain types
    if (!allowedUntilConditionChainTypes.includes(subjectType)) {
        throwError(invalidUntilChain(allowedUntilConditionChainNames.map(i => `.${i}()`).join(' ')));
    }

    return json;
};

/**
 * @description if element requested element fetched not from repo,
 * need forbid compare element properties values with VALUE.REPO
 * @param props
 * @param data
 * @param text
 * @returns {*}
 */
const validateRepoProps = ({props, data, text}) => {
    const selector = path(['selector'], data) || {};

    if (has('apiId', selector)) {
        return props;
    }

    const repoProps = props.reduce((all, prop) => {
        if (prop.val === VALUE.REPO) {
            all.push(prop.name && prop.name.toString());
        }

        return all;
    }, []);

    if (repoProps.length) {
        throwError(
            text + ' ' + (selector.video ? invalidVideoInheredProps : invalidInheredProps)(repoProps.join(', ')),
        );
    }

    return props;
};

const LONG_TAP_TYPE = 'long';
const validateTapTypeAndDuration = ({tapType, tapDuration}, tapTypeErrorMsg, durationErrorMsg) => {
    validateJsonSchema(validationKeys.TAP_TYPE, tapType, tapTypeErrorMsg);
    if (tapType === LONG_TAP_TYPE) {
        validateStVarOrPositiveNumber(tapDuration, durationErrorMsg);
    }
    if (tapType !== LONG_TAP_TYPE && tapDuration !== undefined) {
        throwError(durationErrorMsg + ' can be specified for "long" tap type only');
    }

    return {tapType, tapDuration};
};

module.exports = {
    validateJsonSchema,
    validateNotNegativeNumber,
    validateNumber,
    validateNonEmptyStringOrUndefined,
    validateNonEmptyStringOrNull,
    validateUntilConditionChain,
    validateRepoProps,
    validateNonEmptyArrayOfStrings,
    validateStVarOrNumber,
    validateStVarOrPositiveNumber,
    validateStVarOrPositiveNumberNotZero,
    validateTapTypeAndDuration,
};