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data duplicator test

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This commit is contained in:
Jan Prochazka
2023-02-17 09:15:13 +01:00
parent 6a0feb235a
commit b6c5f26eb4
5 changed files with 107 additions and 17 deletions
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26
packages/api/src/shell/fakeObjectReader.js
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@@ -1,18 +1,26 @@
const stream = require('stream');
async function fakeObjectReader({ delay = 0 } = {}) {
async function fakeObjectReader({ delay = 0, dynamicData = null } = {}) {
const pass = new stream.PassThrough({
objectMode: true,
});
function doWrite() {
pass.write({ columns: [{ columnName: 'id' }, { columnName: 'country' }], __isStreamHeader: true });
pass.write({ id: 1, country: 'Czechia' });
pass.write({ id: 2, country: 'Austria' });
pass.write({ country: 'Germany', id: 3 });
pass.write({ country: 'Romania', id: 4 });
pass.write({ country: 'Great Britain', id: 5 });
pass.write({ country: 'Bosna, Hecegovina', id: 6 });
pass.end();
if (dynamicData) {
pass.write({ __isStreamHeader: true, __isDynamicStructure: true });
for (const item of dynamicData) {
pass.write(item);
}
pass.end();
} else {
pass.write({ columns: [{ columnName: 'id' }, { columnName: 'country' }], __isStreamHeader: true });
pass.write({ id: 1, country: 'Czechia' });
pass.write({ id: 2, country: 'Austria' });
pass.write({ country: 'Germany', id: 3 });
pass.write({ country: 'Romania', id: 4 });
pass.write({ country: 'Great Britain', id: 5 });
pass.write({ country: 'Bosna, Hecegovina', id: 6 });
pass.end();
}
}
if (delay) {