Implement accretion.runMigrations() and wrappings of node-sqlite3

1 files changed, 45 insertions, 0 deletions

diff --git a/tests/js/utils.mjs b/tests/js/utils.mjs
index 1875ce5..94e8eae 100644
--- a/tests/js/utils.mjs
+++ b/tests/js/utils.mjs
@@ -4,6 +4,7 @@ import { runTests } from "../runner.mjs";
 import {
 	eq,
 	keys,
+	difference,
 	assocIn,
 	getIn,
 	first,
@@ -126,6 +127,49 @@ const test_keys = t => {
 	});
 };
 
+const test_difference = t => {
+	t.start("difference()");
+
+	t.test("empty values", () => {
+		assert.deepEqual(
+			difference(new Set(), new Set()),
+			new Set(),
+		);
+
+		assert.deepEqual(
+			difference(new Set(), new Set([1, 2])),
+			new Set(),
+		);
+
+		assert.deepEqual(
+			difference(new Set([1, 2]), new Set()),
+			new Set([1, 2]),
+		);
+	});
+
+	t.test("different subsets", () => {
+		assert.deepEqual(
+			difference(new Set([1, 2]), new Set([3, 4])),
+			new Set([1, 2]),
+		);
+
+		assert.deepEqual(
+			difference(new Set([1, 2, 3]), new Set([2, 4, 5])),
+			new Set([1, 3]),
+		);
+
+		assert.deepEqual(
+			difference(new Set([1]), new Set([1, 2, 3, 4, 5])),
+			new Set(),
+		);
+
+		assert.deepEqual(
+			difference(new Set([1, 2, 3]), new Set([1, 2, 3])),
+			new Set(),
+		);
+	});
+};
+
 const test_assocIn = t => {
 	t.start("assocIn()");
 
@@ -218,6 +262,7 @@ const test_log = t => {
 await runTests([
 	test_eq,
 	test_keys,
+	test_difference,
 	test_assocIn,
 	test_getIn,
 	test_first,