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Maurice
b8144bb92a
Nothing in CI ran a statement against anything but SQLite, so the claim that the dialect layer keeps the repositories portable was never measured and new SQLite-only SQL could land unseen. The new postgres-probe job (server/scripts/pg-probe.ts, npm run probe:pg) does that against a postgres:17 service container: - it derives a Postgres schema from the entities with MikroORM's schema generator, keeping TEXT timestamps, mapping the SQLite-only defaults and the NOCASE collation, and leaving foreign keys out; - it runs every dialect helper on an in-memory SQLite and on Postgres against the same expectation, and every case has to pass; - it calls every public repository method once with arguments the TypeScript checker builds from the parameter types, through a Postgres driver that runs each statement alone in a rolled-back transaction with a statement timeout and records whether Postgres accepted it. The statements Postgres refuses are held per method to scripts/pg-probe-baseline.json, which may only shrink. The baseline starts unmeasured (failing: null): the job reports, passes and uploads the first measurement as the pg-probe-baseline artifact, together with a JSON report, so the commit that seeds it and every later commit that lowers it needs no local Postgres. The probe refuses a database holding tables it did not create. @mikro-orm/postgresql joins the server's devDependencies at the 7.2.1 the other MikroORM packages resolve to; the image's production install leaves it out. The job needs the preflight gates like every test job, runs only for the code area, stops after ten minutes and is part of ci-ok.
55 lines
3.0 KiB
TypeScript
55 lines
3.0 KiB
TypeScript
/**
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* How the Postgres probe turns the entities into a Postgres schema
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* (scripts/pg-probe/schema.ts): SQLite-only defaults, TEXT timestamps, the
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* NOCASE collation, and splitting the generated DDL so one refused statement
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* does not take the rest with it.
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*/
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import { describe, expect, it } from 'vitest';
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import { adjustColumns, NOCASE_COLLATION_SQL, PG_NOW_TEXT_DEFAULT, portableDefault, splitStatements, type ColumnMeta } from '../../../../scripts/pg-probe/schema';
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class DbTimestampType {}
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class TextType {}
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describe('pg-probe schema', () => {
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it('PGPROBE-040: maps the SQLite clock defaults and leaves every other default alone', () => {
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expect(PG_NOW_TEXT_DEFAULT).toBe("to_char((CURRENT_TIMESTAMP AT TIME ZONE 'UTC'), 'YYYY-MM-DD HH24:MI:SS')");
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expect(portableDefault('CURRENT_TIMESTAMP')).toBe(PG_NOW_TEXT_DEFAULT);
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expect(portableDefault("(datetime('now'))")).toBe(PG_NOW_TEXT_DEFAULT);
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expect(portableDefault("datetime( 'now' )")).toBe(PG_NOW_TEXT_DEFAULT);
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expect(portableDefault("(strftime('%s','now'))")).toBe('CAST(EXTRACT(EPOCH FROM CURRENT_TIMESTAMP) AS bigint)');
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for (const kept of ['0', '1', 'NULL', "'none'", "'#10b981'", "'{}'"]) expect(portableDefault(kept)).toBe(kept);
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});
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it('PGPROBE-041: makes timestamp columns text, rewrites defaults and the NOCASE collation, and names what it changed', () => {
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const columns: ColumnMeta[] = [
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{ name: 'created_at', customType: new DbTimestampType(), columnTypes: ['timestamptz'], defaultRaw: 'CURRENT_TIMESTAMP' },
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{ name: 'title', customType: new TextType(), columnTypes: ['text'], defaultRaw: "'x'" },
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{ name: 'stamp', columnTypes: ['int'], defaultRaw: "(strftime('%s','now'))" },
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{ name: 'region', columnTypes: ['text'], collation: 'NOCASE' },
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{ name: 'id', columnTypes: ['int'] },
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];
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expect(adjustColumns(columns)).toEqual(['created_at', 'stamp', 'region']);
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expect(columns[0]).toMatchObject({ columnTypes: ['text'], defaultRaw: PG_NOW_TEXT_DEFAULT });
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expect(columns[1]).toMatchObject({ columnTypes: ['text'], defaultRaw: "'x'" });
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expect(columns[2]).toMatchObject({ columnTypes: ['int'], defaultRaw: 'CAST(EXTRACT(EPOCH FROM CURRENT_TIMESTAMP) AS bigint)' });
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expect(columns[3]).toMatchObject({ collation: 'nocase' });
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expect(NOCASE_COLLATION_SQL).toContain('CREATE COLLATION IF NOT EXISTS nocase');
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});
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it('PGPROBE-042: splits DDL on semicolons outside quotes and drops session settings', () => {
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const ddl = [
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"set names 'utf8';",
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'create table "a" ("id" serial primary key, "note" text default \'a;b\');',
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'create index "a_x" on "a" ("note") where "note" <> \';\';',
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'',
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'create table "b ;" ("id" int)',
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].join('\n');
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expect(splitStatements(ddl)).toEqual([
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'create table "a" ("id" serial primary key, "note" text default \'a;b\')',
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'create index "a_x" on "a" ("note") where "note" <> \';\'',
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'create table "b ;" ("id" int)',
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]);
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expect(splitStatements(' ; ; ')).toEqual([]);
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});
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});
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