8000 Add test cases and debug output · HowProgrammingWorks/Transaction@d108ebb · GitHub
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tshemsedinovtshemsedinov
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Add test cases and debug output
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‎JavaScript/2-transaction.js

Lines changed: 15 additions & 15 deletions
Original file line numberDiff line numberDiff line change
@@ -3,17 +3,17 @@
33
function Transaction() {}
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Transaction.start = (data) => {
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console.log('start transaction');
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console.log('\nstart transaction');
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let delta = {};
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const methods = {
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commit: () => {
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console.log('commit transaction');
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console.log('\ncommit transaction');
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Object.assign(data, delta);
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delta = {};
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},
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rollback: () => {
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console.log('rollback transaction');
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console.log('\nrollback transaction');
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delta = {};
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}
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};
@@ -35,25 +35,25 @@ Transaction.start = (data) => {
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// Usage
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const data = { name: 'Marcus Aurelius', city: 'Rome', born: 121 };
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const data = { name: 'Marcus Aurelius', born: 121 };
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const transaction = Transaction.start(data);
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console.log(JSON.stringify(data), JSON.stringify(transaction));
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console.dir({ data, transaction });
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console.log('data', JSON.stringify(data));
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console.log('transaction', JSON.stringify(transaction));
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transaction.name = 'Mao Zedong';
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transaction.born = 1893;
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console.log('JSON:', JSON.stringify(data), JSON.stringify(transaction));
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console.dir({ data, transaction });
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console.log('data', JSON.stringify(data));
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console.log('transaction', JSON.stringify(transaction));
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transaction.commit();
50-
console.log('JSON:', JSON.stringify(data), JSON.stringify(transaction));
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console.dir({ data, transaction });
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console.log('data', JSON.stringify(data));
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console.log('transaction', JSON.stringify(transaction));
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transaction.city = 'Shaoshan';
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console.log('JSON:', JSON.stringify(data), JSON.stringify(transaction));
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console.dir({ data, transaction });
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transaction.born = 1976;
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console.log('data', JSON.stringify(data));
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console.log('transaction', JSON.stringify(transaction));
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transaction.rollback();
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console.log('JSON:', JSON.stringify(data), JSON.stringify(transaction));
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console.dir({ data, transaction });
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console.log('data', JSON.stringify(data));
59+
console.log('transaction', JSON.stringify(transaction));

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