samsam2610/experiments-database
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

feat(export): toCSV emits context line + subject group cell

Browse Source
This commit is contained in:
Experiments DB Dev
2026-07-19 13:28:32 -04:00
parent 600323f40a
commit 958666580f
2 changed files with 77 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files
frontend/tests/dataExport.test.js
+49 -11
View File
@@ -141,20 +141,58 @@ describe('buildMatrix', () => {
import { toCSV, csvFilename } from '../src/lib/dataExport';
describe('toCSV', () => {
it('writes a header row of Date + column headers, then data rows', () => {
it('emits context line, blank line, header, data (no group)', () => {
const matrix = {
columns: [{ id: 'a1', header: 'Alpha' }, { id: 'a2', header: 'Beta' }],
rows: [{ date: '2026-07-01', values: [5, ''] }, { date: '2026-07-02', values: ['', 9] }],
};
expect(toCSV(matrix)).toBe('Date,Alpha,Beta\n2026-07-01,5,\n2026-07-02,,9');
});
it('escapes commas, quotes, and newlines per RFC 4180', () => {
const matrix = {
columns: [{ id: 'a1', header: 'Note, field' }],
rows: [{ date: '2026-07-01', values: ['he said "hi"'] }, { date: '2026-07-02', values: ['line1\nline2'] }],
corner: 'Date',
context: { label: 'Parameter', value: 'Total attempts' },
groupAxis: null,
columns: [{ id: 'a1', label: 'Alpha', group: null }, { id: 'a2', label: 'Beta', group: null }],
rows: [{ member: { label: '2026-07-01' }, values: [5, ''] }, { member: { label: '2026-07-02' }, values: ['', 9] }],
};
expect(toCSV(matrix)).toBe(
'Date,"Note, field"\n2026-07-01,"he said ""hi"""\n2026-07-02,"line1\nline2"',
'Parameter,Total attempts\n\nDate,Alpha,Beta\n2026-07-01,5,\n2026-07-02,,9',
);
});
it('adds a Group header row when subjects are columns', () => {
const matrix = {
corner: 'Date',
context: { label: 'Parameter', value: 'Total attempts' },
groupAxis: 'col',
columns: [{ id: 'a1', label: 'Alpha', group: 'Control' }, { id: 'a2', label: 'Beta', group: 'Drug' }],
rows: [{ member: { label: '2026-07-01' }, values: [5, 9] }],
};
expect(toCSV(matrix)).toBe(
'Parameter,Total attempts\n\nGroup,Control,Drug\nDate,Alpha,Beta\n2026-07-01,5,9',
);
});
it('adds a leading Group column when subjects are rows', () => {
const matrix = {
corner: 'Subject',
context: { label: 'Date', value: '2026-07-01' },
groupAxis: 'row',
columns: [{ id: 'p1', label: 'Total attempts', group: 'metrics' }],
rows: [
{ member: { label: 'Alpha', group: 'Control' }, values: [5] },
{ member: { label: 'Beta', group: 'Drug' }, values: [9] },
],
};
expect(toCSV(matrix)).toBe(
'Date,2026-07-01\n\nGroup,Subject,Total attempts\nControl,Alpha,5\nDrug,Beta,9',
);
});
it('escapes commas, quotes, and newlines per RFC 4180', () => {
const matrix = {
corner: 'Date',
context: { label: 'Parameter', value: 'Note, field' },
groupAxis: null,
columns: [{ id: 'a1', label: 'he said "hi"', group: null }],
rows: [{ member: { label: '2026-07-01' }, values: ['line1\nline2'] }],
};
expect(toCSV(matrix)).toBe(
'Parameter,"Note, field"\n\nDate,"he said ""hi"""\n2026-07-01,"line1\nline2"',
);
});
});