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/* eslint-disable no-console */
var Q = require('q');
var _ = require('lodash');
var tmp = require('tmp');
var path = require('path');
var Book = require('../').Book;
var NodeFS = require('../lib/fs/node');
var fs = require('../lib/utils/fs');
require('./assertions');
// Create filesystem instance for testing
var nodeFS = new NodeFS();
function setupFS(files) {
return Q.nfcall(tmp.dir.bind(tmp)).get(0)
.then(function(rootFolder) {
return _.chain(_.pairs(files))
.sortBy(0)
.reduce(function(prev, pair) {
return prev.then(function() {
var filename = path.resolve(rootFolder, pair[0]);
var buf = pair[1];
if (_.isObject(buf)) buf = JSON.stringify(buf);
if (_.isString(buf)) buf = new Buffer(buf, 'utf-8');
return fs.mkdirp(path.dirname(filename))
.then(function() {
return fs.writeFile(filename, buf);
});
});
}, Q())
.value()
.then(function() {
return rootFolder;
});
});
}
// Setup a mock book for testing using a map of files
function setupBook(files, opts) {
opts = opts || {};
opts.log = function() { };
return setupFS(files)
.then(function(folder) {
opts.fs = nodeFS;
opts.root = folder;
return new Book(opts);
});
}
// Setup a book with default README/SUMMARY
function setupDefaultBook(files, summary, opts) {
var summaryContent = '# Summary \n\n' +
_.map(summary, function(article) {
return '* [' + article.title +'](' + article.path + ')';
})
.join('\n');
return setupBook(_.defaults(files || {}, {
'README.md': 'Hello',
'SUMMARY.md': summaryContent
}), opts);
}
// Prepare output for a book
function setupOutput(Output, files, opts) {
return setupBook(files, opts)
.then(function(book) {
// Parse the book
return book.parse()
// Start generation
.then(function() {
return new Output(book);
});
});
}
// Prepare output for a book
function setupDefaultOutput(Output, files, summary, opts) {
return setupDefaultBook(files, summary, opts)
.then(function(book) {
// Parse the book
return book.parse()
// Start generation
.then(function() {
return new Output(book);
});
});
}
// Output a book with a specific generator
function outputDefaultBook(Output, files, summary, opts) {
return setupDefaultOutput(Output, files, summary, opts)
.then(function(output) {
return output.generate()
.thenResolve(output);
});
}
// Output a book with a specific generator
function outputBook(Output, files, opts) {
return setupOutput(Output, files, opts)
.then(function(output) {
return output.generate()
.thenResolve(output);
});
}
// Log an error
function logError(err) {
console.log(err.stack || err);
}
module.exports = {
fs: nodeFS,
setupFS: setupFS,
setupBook: setupBook,
setupDefaultBook: setupDefaultBook,
setupOutput: setupOutput,
setupDefaultOutput: setupDefaultOutput,
outputBook: outputBook,
outputDefaultBook: outputDefaultBook,
logError: logError
};
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