Kat
2 months ago
34 changed files with 4296 additions and 175 deletions
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require "csv" |
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class BulkUpload::Sales::Year2025::CsvParser |
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include CollectionTimeHelper |
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FIELDS = 121 |
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MAX_COLUMNS = 142 |
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FORM_YEAR = 2025 |
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attr_reader :path |
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def initialize(path:) |
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@path = path |
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end |
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def row_offset |
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if with_headers? |
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rows.find_index { |row| row[0].present? && row[0].match(/field number/i) } + 1 |
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else |
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0 |
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end |
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end |
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def col_offset |
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with_headers? ? 1 : 0 |
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end |
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def cols |
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@cols ||= ("A".."DR").to_a |
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end |
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def row_parsers |
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@row_parsers ||= body_rows.map { |row| |
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next if row.empty? |
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stripped_row = row[col_offset..] |
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hash = Hash[field_numbers.zip(stripped_row)] |
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BulkUpload::Sales::Year2025::RowParser.new(hash) |
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}.compact |
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end |
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def body_rows |
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rows[row_offset..] |
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end |
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def rows |
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@rows ||= CSV.parse(normalised_string, row_sep:) |
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end |
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def column_for_field(field) |
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cols[field_numbers.find_index(field) + col_offset] |
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end |
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def wrong_template_for_year? |
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collection_start_year_for_date(first_record_start_date) != FORM_YEAR |
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rescue Date::Error |
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false |
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end |
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def missing_required_headers? |
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!with_headers? |
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end |
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def correct_field_count? |
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valid_field_numbers_count = field_numbers.count { |f| f != "field_blank" } |
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valid_field_numbers_count == FIELDS |
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end |
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private |
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def default_field_numbers |
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(1..FIELDS).map do |number| |
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if number.to_s.match?(/^[0-9]+$/) |
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"field_#{number}" |
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else |
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"field_blank" |
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end |
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end |
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end |
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def field_numbers |
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@field_numbers ||= if with_headers? |
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rows[row_offset - 1][col_offset..].map { |number| number.to_s.match?(/^[0-9]+$/) ? "field_#{number}" : "field_blank" } |
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else |
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default_field_numbers |
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end |
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end |
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def headers |
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@headers ||= ("field_1".."field_#{FIELDS}").to_a |
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end |
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def with_headers? |
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# we will eventually want to validate that headers exist for this year |
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rows.map { |r| r[0] }.any? { |cell| cell&.match?(/field number/i) } |
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end |
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def row_sep |
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"\n" |
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end |
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def normalised_string |
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return @normalised_string if @normalised_string |
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@normalised_string = File.read(path, encoding: "bom|utf-8") |
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@normalised_string.gsub!("\r\n", "\n") |
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@normalised_string.scrub!("") |
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@normalised_string.tr!("\r", "\n") |
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@normalised_string |
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end |
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def first_record_start_date |
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if with_headers? |
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year = row_parsers.first.field_3.to_s.strip.length.between?(1, 2) ? row_parsers.first.field_3.to_i + 2000 : row_parsers.first.field_3.to_i |
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Date.new(year, row_parsers.first.field_2.to_i, row_parsers.first.field_1.to_i) |
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else |
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year = rows.first[2].to_s.strip.length.between?(1, 2) ? rows.first[2].to_i + 2000 : rows.first[2].to_i |
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Date.new(year, rows.first[1].to_i, rows.first[0].to_i) |
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end |
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end |
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end |
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en: |
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validations: |
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sales: |
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2025: |
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bulk_upload: |
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not_answered: "You must answer %{question}" |
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invalid_option: "Enter a valid value for %{question}" |
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spreadsheet_dupe: "This is a duplicate of a log in your file." |
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duplicate: "This is a duplicate log." |
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blank_file: "Template is blank - The template must be filled in for us to create the logs and check if data is correct." |
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wrong_template: |
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over_max_column_count: "Too many columns, please ensure you have used the correct template." |
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no_headers: "Your file does not contain the required header rows. Add or check the header rows and upload your file again. [Read more about using the template headers](%{guidance_link})." |
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wrong_field_numbers_count: "Incorrect number of fields, please ensure you have used the correct template." |
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wrong_template: "Incorrect sale dates, please ensure you have used the correct template." |
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numeric: |
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within_range: "%{field} must be between %{min} and %{max}." |
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owning_organisation: |
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not_found: "The owning organisation code is incorrect." |
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not_stock_owner: "The owning organisation code provided is for an organisation that does not own stock." |
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not_permitted: |
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support: "This owning organisation is not affiliated with %{name}." |
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not_support: "You do not have permission to add logs for this owning organisation." |
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assigned_to: |
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not_found: "User with the specified email could not be found." |
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organisation_not_related: "User must be related to owning organisation or managing organisation." |
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managing_organisation_not_related: "This organisation does not have a relationship with the owning organisation." |
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saledate: |
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outside_collection_window: "Enter a date within the %{year_combo} collection year, which is between 1st April %{start_year} and 31st March %{end_year}." |
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year_not_two_or_four_digits: "Sale completion year must be 2 or 4 digits." |
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ecstat1: |
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buyer_cannot_be_over_16_and_child: "Buyer 1's age cannot be 16 or over if their working situation is child under 16." |
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buyer_cannot_be_child: "Buyer 1 cannot have a working situation of child under 16." |
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age1: |
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buyer_cannot_be_over_16_and_child: "Buyer 1's age cannot be 16 or over if their working situation is child under 16." |
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ecstat2: |
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buyer_cannot_be_over_16_and_child: "Buyer 2's age cannot be 16 or over if their working situation is child under 16." |
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buyer_cannot_be_child: "Buyer 2 cannot have a working situation of child under 16." |
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age2: |
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buyer_cannot_be_over_16_and_child: "Buyer 2's age cannot be 16 or over if their working situation is child under 16." |
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address: |
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not_found: "We could not find this address. Check the address data in your CSV file is correct and complete, or select the correct address using the CORE site." |
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not_determined: "There are multiple matches for this address. Either select the correct address manually or correct the UPRN in the CSV file." |
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not_answered: "Enter either the UPRN or the full address." |
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nationality: |
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invalid: "Select a valid nationality." |
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require "rails_helper" |
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RSpec.describe BulkUpload::Sales::Year2025::CsvParser do |
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subject(:service) { described_class.new(path:) } |
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let(:file) { Tempfile.new } |
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let(:path) { file.path } |
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let(:log) { build(:sales_log, :completed, :with_uprn) } |
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context "when parsing csv with headers" do |
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before do |
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file.write("Question\n") |
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file.write("Additional info\n") |
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file.write("Values\n") |
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file.write("Can be empty?\n") |
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file.write("Type of letting the question applies to\n") |
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file.write("Duplicate check field?\n") |
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file.write(BulkUpload::SalesLogToCsv.new(log:).default_field_numbers_row_for_year(2025)) |
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file.write(BulkUpload::SalesLogToCsv.new(log:).to_year_csv_row(2025)) |
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file.write("\n") |
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file.rewind |
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end |
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it "returns correct offsets" do |
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expect(service.row_offset).to eq(7) |
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expect(service.col_offset).to eq(1) |
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end |
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it "parses csv correctly" do |
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expect(service.row_parsers[0].field_16).to eql(log.uprn) |
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end |
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it "counts the number of valid field numbers correctly" do |
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expect(service).to be_correct_field_count |
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end |
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it "does not parse the last empty row" do |
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expect(service.row_parsers.count).to eq(1) |
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end |
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end |
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context "when some csv headers are empty (and we don't care about them)" do |
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before do |
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file.write("Question\n") |
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file.write("Additional info\n") |
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file.write("Values\n") |
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file.write("\n") |
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file.write("Type of letting the question applies to\n") |
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file.write("Duplicate check field?\n") |
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file.write(BulkUpload::SalesLogToCsv.new(log:).default_field_numbers_row_for_year(2025)) |
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file.write(BulkUpload::SalesLogToCsv.new(log:).to_year_csv_row(2025)) |
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file.write("\n") |
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file.rewind |
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end |
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it "returns correct offsets" do |
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expect(service.row_offset).to eq(7) |
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expect(service.col_offset).to eq(1) |
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end |
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it "parses csv correctly" do |
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expect(service.row_parsers[0].field_16).to eql(log.uprn) |
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end |
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it "counts the number of valid field numbers correctly" do |
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expect(service).to be_correct_field_count |
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end |
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it "does not parse the last empty row" do |
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expect(service.row_parsers.count).to eq(1) |
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end |
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end |
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context "when parsing csv with headers in arbitrary order" do |
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let(:seed) { rand } |
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before do |
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file.write("Question\n") |
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file.write("Additional info\n") |
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file.write("Values\n") |
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file.write("Can be empty?\n") |
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file.write("Type of letting the question applies to\n") |
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file.write("Duplicate check field?\n") |
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file.write(BulkUpload::SalesLogToCsv.new(log:).default_field_numbers_row_for_year(2025, seed:)) |
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file.write(BulkUpload::SalesLogToCsv.new(log:).to_year_csv_row(2025, seed:)) |
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file.rewind |
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end |
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it "returns correct offsets" do |
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expect(service.row_offset).to eq(7) |
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expect(service.col_offset).to eq(1) |
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end |
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it "parses csv correctly" do |
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expect(service.row_parsers[0].field_16).to eql(log.uprn) |
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end |
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end |
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context "when parsing csv without headers" do |
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let(:file) { Tempfile.new } |
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let(:path) { file.path } |
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let(:log) { build(:sales_log, :completed, :with_uprn) } |
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before do |
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file.write(BulkUpload::SalesLogToCsv.new(log:, col_offset: 0).to_year_csv_row(2025)) |
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file.rewind |
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end |
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it "returns correct offsets" do |
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expect(service.row_offset).to eq(0) |
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expect(service.col_offset).to eq(0) |
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end |
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it "parses csv correctly" do |
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expect(service.row_parsers[0].field_16).to eql(log.uprn) |
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end |
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end |
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context "when parsing with BOM aka byte order mark" do |
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let(:file) { Tempfile.new } |
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let(:path) { file.path } |
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let(:log) { build(:sales_log, :completed, :with_uprn) } |
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let(:bom) { "\uFEFF" } |
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before do |
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file.write(bom) |
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file.write(BulkUpload::SalesLogToCsv.new(log:, col_offset: 0).to_year_csv_row(2025)) |
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file.close |
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end |
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it "parses csv correctly" do |
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expect(service.row_parsers[0].field_16).to eql(log.uprn) |
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end |
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end |
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context "when an invalid byte sequence" do |
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let(:file) { Tempfile.new } |
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let(:path) { file.path } |
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let(:log) { build(:sales_log, :completed, :with_uprn) } |
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let(:invalid_sequence) { "\x81" } |
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before do |
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file.write(invalid_sequence) |
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file.write(BulkUpload::SalesLogToCsv.new(log:, col_offset: 0).to_year_csv_row(2025)) |
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file.close |
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end |
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it "parses csv correctly" do |
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expect(service.row_parsers[0].field_16).to eql(log.uprn) |
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end |
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end |
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describe "#column_for_field", aggregate_failures: true do |
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context "when headers present" do |
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before do |
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file.write("Question\n") |
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file.write("Additional info\n") |
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file.write("Values\n") |
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file.write("Can be empty?\n") |
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file.write("Type of letting the question applies to\n") |
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file.write("Duplicate check field?\n") |
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file.write(BulkUpload::SalesLogToCsv.new(log:).default_field_numbers_row_for_year(2025)) |
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file.write(BulkUpload::SalesLogToCsv.new(log:).to_year_csv_row(2025)) |
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file.rewind |
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end |
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it "returns correct column" do |
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expect(service.column_for_field("field_1")).to eql("B") |
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expect(service.column_for_field("field_99")).to eql("CV") |
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end |
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end |
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end |
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context "when parsing csv with carriage returns" do |
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before do |
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file.write("Question\r\n") |
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file.write("Additional info\r") |
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file.write("Values\r\n") |
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file.write("Can be empty?\r") |
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file.write("Type of letting the question applies to\r\n") |
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file.write("Duplicate check field?\r") |
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file.write(BulkUpload::SalesLogToCsv.new(log:).default_field_numbers_row_for_year(2025)) |
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file.write(BulkUpload::SalesLogToCsv.new(log:).to_year_csv_row(2025)) |
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file.rewind |
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end |
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it "parses csv correctly" do |
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expect(service.row_parsers[0].field_16).to eql(log.uprn) |
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end |
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end |
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end |
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