feat: migrate system + cross-DB engine + IMPORT/EXPORT syntax -- 22 files, client+server+docs

clients/nim-allographer/tests/baradb/test_migration.nim

@@ -0,0 +1,59 @@
+discard """
+  cmd: "nim c -r $file"
+"""
+
+import std/unittest
+import std/asyncdispatch
+import std/json
+import ../../src/allographer/query_builder
+import ../../src/allographer/query_builder/models/baradb/baradb_exec
+import ./connections
+
+
+let rdb = baradb
+
+suite("Baradb migrations"):
+  test("create migration"):
+    let upSql = """
+      CREATE TABLE IF NOT EXISTS test_mig_users (
+        id SERIAL PRIMARY KEY,
+        name VARCHAR(255)
+      )
+    """
+    let downSql = "DROP TABLE IF EXISTS test_mig_users"
+    let qr = waitFor rdb.createMigration("test_mig_001", upSql, downSql)
+    check qr.rowCount >= 0
+
+  test("migration status shows pending"):
+    let status = waitFor rdb.migrationStatus()
+    var found = false
+    for row in status:
+      if row["name"].getStr() == "test_mig_001":
+        check row["status"].getStr() == "pending"
+        found = true
+        break
+    check found
+
+  test("apply migration"):
+    let qr = waitFor rdb.applyMigration("test_mig_001")
+    check qr.rowCount >= 0
+
+  test("is migration applied"):
+    let applied = waitFor rdb.isMigrationApplied("test_mig_001")
+    check applied
+
+  test("migration up (all pending)"):
+    let qr = waitFor rdb.migrateUp()
+    check qr.rowCount >= 0
+
+  test("migration dry run"):
+    let qr = waitFor rdb.migrationDryRun("test_mig_001")
+    check qr.rowCount >= 0
+
+  test("table exists after migration"):
+    let users = waitFor rdb.table("test_mig_users").get()
+    check users.len >= 0
+
+  test("migrate down (rollback)"):
+    let qr = waitFor rdb.migrateDown(1)
+    check qr.rowCount >= 0