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Diffstat (limited to 'test/unit/tx-state-history-helper.js')
-rw-r--r-- | test/unit/tx-state-history-helper.js | 46 |
1 files changed, 0 insertions, 46 deletions
diff --git a/test/unit/tx-state-history-helper.js b/test/unit/tx-state-history-helper.js deleted file mode 100644 index 35f7dac57..000000000 --- a/test/unit/tx-state-history-helper.js +++ /dev/null @@ -1,46 +0,0 @@ -const assert = require('assert') -const txStateHistoryHelper = require('../../app/scripts/controllers/transactions/lib/tx-state-history-helper') -const testVault = require('../data/v17-long-history.json') - - -describe('tx-state-history-helper', function () { - it('migrates history to diffs and can recover original values', function () { - testVault.data.TransactionController.transactions.forEach((tx, index) => { - const newHistory = txStateHistoryHelper.migrateFromSnapshotsToDiffs(tx.history) - newHistory.forEach((newEntry, index) => { - if (index === 0) { - assert.equal(Array.isArray(newEntry), false, 'initial history item IS NOT a json patch obj') - } else { - assert.equal(Array.isArray(newEntry), true, 'non-initial history entry IS a json patch obj') - } - const oldEntry = tx.history[index] - const historySubset = newHistory.slice(0, index + 1) - const reconstructedValue = txStateHistoryHelper.replayHistory(historySubset) - assert.deepEqual(oldEntry, reconstructedValue, 'was able to reconstruct old entry from diffs') - }) - }) - }) - - it('replaying history does not mutate the original obj', function () { - const initialState = { test: true, message: 'hello', value: 1 } - const diff1 = [{ - "op": "replace", - "path": "/message", - "value": "haay", - }] - const diff2 = [{ - "op": "replace", - "path": "/value", - "value": 2, - }] - const history = [initialState, diff1, diff2] - - const beforeStateSnapshot = JSON.stringify(initialState) - const latestState = txStateHistoryHelper.replayHistory(history) - const afterStateSnapshot = JSON.stringify(initialState) - - assert.notEqual(initialState, latestState, 'initial state is not the same obj as the latest state') - assert.equal(beforeStateSnapshot, afterStateSnapshot, 'initial state is not modified during run') - }) - -}) |