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'use strict';
const common = require('../common');
const assert = require('assert');
const join = require('path').join;
const fs = require('fs');
common.refreshTmpDir();
const repl = require('repl');
const works = [['inner.one'], 'inner.o'];
const putIn = new common.ArrayStream();
const testMe = repl.start('', putIn);
const testFile = [
'var top = function() {',
'var inner = {one:1};'
];
const saveFileName = join(common.tmpDir, 'test.save.js');
// input some data
putIn.run(testFile);
// save it to a file
putIn.run(['.save ' + saveFileName]);
// the file should have what I wrote
assert.equal(fs.readFileSync(saveFileName, 'utf8'), testFile.join('\n') + '\n');
{
// save .editor mode code
const cmds = [
'function testSave() {',
'return "saved";',
'}'
];
const putIn = new common.ArrayStream();
const replServer = repl.start('', putIn);
putIn.run(['.editor']);
putIn.run(cmds);
replServer.write('', {ctrl: true, name: 'd'});
putIn.run([`.save ${saveFileName}`]);
replServer.close();
assert.strictEqual(fs.readFileSync(saveFileName, 'utf8'),
`${cmds.join('\n')}\n`);
}
// make sure that the REPL data is "correct"
// so when I load it back I know I'm good
testMe.complete('inner.o', function(error, data) {
assert.deepStrictEqual(data, works);
});
// clear the REPL
putIn.run(['.clear']);
// Load the file back in
putIn.run(['.load ' + saveFileName]);
// make sure that the REPL data is "correct"
testMe.complete('inner.o', function(error, data) {
assert.deepStrictEqual(data, works);
});
// clear the REPL
putIn.run(['.clear']);
let loadFile = join(common.tmpDir, 'file.does.not.exist');
// should not break
putIn.write = function(data) {
// make sure I get a failed to load message and not some crazy error
assert.equal(data, 'Failed to load:' + loadFile + '\n');
// eat me to avoid work
putIn.write = function() {};
};
putIn.run(['.load ' + loadFile]);
// throw error on loading directory
loadFile = common.tmpDir;
putIn.write = function(data) {
assert.equal(data, 'Failed to load:' + loadFile + ' is not a valid file\n');
putIn.write = function() {};
};
putIn.run(['.load ' + loadFile]);
// clear the REPL
putIn.run(['.clear']);
// NUL (\0) is disallowed in filenames in UNIX-like operating systems and
// Windows so we can use that to test failed saves
const invalidFileName = join(common.tmpDir, '\0\0\0\0\0');
// should not break
putIn.write = function(data) {
// make sure I get a failed to save message and not some other error
assert.equal(data, 'Failed to save:' + invalidFileName + '\n');
// reset to no-op
putIn.write = function() {};
};
// save it to a file
putIn.run(['.save ' + invalidFileName]);
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