Add Ledger Method Integration Tests (#1640)

Add integration tests for ledger, ledgerEntry, ledgerData, ledgerClosed and ledgerCurrent, plus add them to the browser tests.

test/integration/requests/ledgerEntry.ts

@@ -0,0 +1,51 @@
+import { assert } from 'chai'
+import _ from 'lodash'
+
+import { LedgerEntryRequest, LedgerEntryResponse } from 'xrpl-local'
+
+import serverUrl from '../serverUrl'
+import { setupClient, suiteClientSetup, teardownClient } from '../setup'
+import { verifySuccessfulResponse } from '../utils'
+
+// how long before each test case times out
+const TIMEOUT = 20000
+
+describe('ledger_entry', function () {
+  this.timeout(TIMEOUT)
+
+  before(suiteClientSetup)
+  beforeEach(_.partial(setupClient, serverUrl))
+  afterEach(teardownClient)
+
+  it('base', async function () {
+    const validatedLedgerResponse = await this.client.request({
+      command: 'ledger_data',
+      ledger_index: 'validated',
+    })
+
+    verifySuccessfulResponse(validatedLedgerResponse)
+    const ledgerEntryIndex = validatedLedgerResponse.result.state[0].index
+
+    const ledgerEntryRequest: LedgerEntryRequest = {
+      command: 'ledger_entry',
+      index: ledgerEntryIndex,
+    }
+
+    const ledgerEntryResponse = await this.client.request(ledgerEntryRequest)
+
+    const expectedResponse: LedgerEntryResponse = {
+      id: ledgerEntryResponse.id,
+      status: 'success',
+      type: 'response',
+      result: {
+        index: ledgerEntryIndex,
+        ledger_current_index: ledgerEntryResponse.result.ledger_current_index,
+        node: ledgerEntryResponse.result.node,
+        validated: false,
+      },
+    }
+
+    verifySuccessfulResponse(ledgerEntryResponse)
+    assert.deepEqual(ledgerEntryResponse, expectedResponse)
+  })
+})