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03a146222d
Breaks our Plaid sync process out into more manageable classes. Notably, this moves the sync process to a distinct, 2-step flow: 1. Import stage - we first make API calls and import Plaid data to "mirror" tables 2. Processing stage - read the raw data, apply business rules, build internal domain models and sync balances This provides several benefits: - Plaid syncs can now be "replayed" without fetching API data again - Mirror tables provide better audit and debugging capabilities - Eliminates the "all or nothing" sync behavior that is currently in place, which is brittle
63 lines
2.1 KiB
Ruby
63 lines
2.1 KiB
Ruby
require "test_helper"
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class PlaidAccount::Transactions::ProcessorTest < ActiveSupport::TestCase
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setup do
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@plaid_account = plaid_accounts(:one)
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end
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test "processes added and modified plaid transactions" do
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added_transactions = [ { "transaction_id" => "123" } ]
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modified_transactions = [ { "transaction_id" => "456" } ]
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@plaid_account.update!(raw_transactions_payload: {
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added: added_transactions,
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modified: modified_transactions,
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removed: []
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})
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mock_processor = mock("PlaidEntry::Processor")
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category_matcher_mock = mock("PlaidAccount::Transactions::CategoryMatcher")
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PlaidAccount::Transactions::CategoryMatcher.stubs(:new).returns(category_matcher_mock)
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PlaidEntry::Processor.expects(:new)
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.with(added_transactions.first, plaid_account: @plaid_account, category_matcher: category_matcher_mock)
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.returns(mock_processor)
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.once
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PlaidEntry::Processor.expects(:new)
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.with(modified_transactions.first, plaid_account: @plaid_account, category_matcher: category_matcher_mock)
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.returns(mock_processor)
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.once
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mock_processor.expects(:process).twice
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processor = PlaidAccount::Transactions::Processor.new(@plaid_account)
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processor.process
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end
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test "removes transactions no longer in plaid" do
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destroyable_transaction_id = "destroy_me"
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@plaid_account.account.entries.create!(
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plaid_id: destroyable_transaction_id,
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date: Date.current,
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amount: 100,
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name: "Destroy me",
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currency: "USD",
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entryable: Transaction.new
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)
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@plaid_account.update!(raw_transactions_payload: {
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added: [],
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modified: [],
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removed: [ { "transaction_id" => destroyable_transaction_id } ]
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})
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processor = PlaidAccount::Transactions::Processor.new(@plaid_account)
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assert_difference [ "Entry.count", "Transaction.count" ], -1 do
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processor.process
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end
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assert_nil Entry.find_by(plaid_id: destroyable_transaction_id)
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end
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end
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