Submit social housing lettings and sales data (CORE)
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require "rails_helper"
RSpec.describe BulkUpload::Lettings::Year2022::CsvParser do
subject(:service) { described_class.new(path:) }
let(:file) { Tempfile.new }
let(:path) { file.path }
let(:log) { build(:lettings_log, :completed) }
context "when parsing csv with headers" do
before do
file.write(BulkUpload::LogToCsv.new(log:).default_2022_field_numbers_row)
file.write(BulkUpload::LogToCsv.new(log:).to_2022_csv_row)
file.rewind
end
it "returns correct offsets" do
expect(service.row_offset).to eq(1)
expect(service.col_offset).to eq(1)
end
it "parses csv correctly" do
expect(service.row_parsers[0].field_12.to_i).to eq(35)
end
end
context "when parsing csv with headers with extra rows" do
before do
file.write("Extra row\n")
file.write(BulkUpload::LogToCsv.new(log:).default_2022_field_numbers_row)
file.write(BulkUpload::LogToCsv.new(log:).to_2022_csv_row)
file.rewind
end
it "returns correct offsets" do
expect(service.row_offset).to eq(2)
expect(service.col_offset).to eq(1)
end
it "parses csv correctly" do
expect(service.row_parsers[0].field_12.to_i).to eq(35)
end
end
context "when parsing csv with headers in arbitrary order" do
let(:seed) { rand }
before do
file.write(BulkUpload::LogToCsv.new(log:).default_2022_field_numbers_row(seed:))
file.write(BulkUpload::LogToCsv.new(log:).to_2022_csv_row(seed:))
file.rewind
end
it "returns correct offsets" do
expect(service.row_offset).to eq(1)
expect(service.col_offset).to eq(1)
end
it "parses csv correctly" do
expect(service.row_parsers[0].field_12.to_i).to eq(35)
end
end
context "when parsing csv with extra invalid headers" do
let(:seed) { rand }
let(:log_to_csv) { BulkUpload::LogToCsv.new(log:) }
let(:field_numbers) { log_to_csv.default_2022_field_numbers + %w[invalid_field_number] }
let(:field_values) { log_to_csv.to_2022_row + %w[value_for_invalid_field_number] }
before do
file.write(log_to_csv.custom_field_numbers_row(seed:, field_numbers:))
file.write(log_to_csv.to_custom_csv_row(seed:, field_values:))
file.rewind
end
it "parses csv correctly" do
expect(service.row_parsers[0].field_12.to_i).to eq(35)
end
it "counts the number of valid field numbers correctly" do
expect(service.incorrect_field_count?).to be false
end
end
context "when parsing csv without headers" do
before do
file.write(BulkUpload::LogToCsv.new(log:, col_offset: 0).to_2022_csv_row)
file.rewind
end
it "returns correct offsets" do
expect(service.row_offset).to eq(0)
expect(service.col_offset).to eq(0)
end
it "parses csv correctly" do
expect(service.row_parsers[0].field_12.to_i).to be(35)
end
end
context "when parsing with BOM aka byte order mark" do
let(:bom) { "\uFEFF" }
before do
file.write(bom)
file.write(BulkUpload::LogToCsv.new(log:, col_offset: 0).to_2022_csv_row)
file.rewind
end
it "parses csv correctly" do
expect(service.row_parsers[0].field_12.to_i).to be(35)
end
end
context "when an invalid byte sequence" do
let(:invalid_sequence) { "\x81" }
before do
file.write(invalid_sequence)
file.write(BulkUpload::LogToCsv.new(log:, col_offset: 0).to_2022_csv_row)
file.rewind
end
it "parses csv correctly" do
expect(service.row_parsers[0].field_12.to_i).to be(35)
end
end
describe "#column_for_field", aggregate_failures: true do
context "when with headers using default ordering" do
before do
file.write(BulkUpload::LogToCsv.new(log:).default_2022_field_numbers_row)
file.write(BulkUpload::LogToCsv.new(log:).to_2022_csv_row)
file.rewind
end
it "returns correct column" do
expect(service.column_for_field("field_1")).to eql("B")
expect(service.column_for_field("field_134")).to eql("EE")
end
end
context "when without headers using default ordering" do
before do
file.write(BulkUpload::LogToCsv.new(log:).to_2022_csv_row)
file.rewind
end
it "returns correct column" do
expect(service.column_for_field("field_1")).to eql("A")
expect(service.column_for_field("field_134")).to eql("ED")
end
end
context "when with headers using custom ordering" do
let(:seed) { 123 }
before do
file.write(BulkUpload::LogToCsv.new(log:).default_2022_field_numbers_row(seed:))
file.write(BulkUpload::LogToCsv.new(log:).to_2022_csv_row(seed:))
file.rewind
end
it "returns correct column" do
expect(service.column_for_field("field_1")).to eql("I")
expect(service.column_for_field("field_45")).to eql("BE")
expect(service.column_for_field("field_90")).to eql("AN")
expect(service.column_for_field("field_134")).to eql("BA")
end
end
end
end