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-rw-r--r--test/unit/tx-state-history-helper.js46
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')
- })
-
-})