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bind/js: Partially implements iterate() method

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The API still is sync and isn't variadic
This commit is contained in:
Diego Reis
2025-05-18 00:51:23 -03:00
parent a6270e8a6c
commit 9f6e242e42
5 changed files with 91 additions and 16 deletions
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24
bindings/javascript/__test__/better-sqlite3.spec.mjs
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@@ -7,7 +7,6 @@ test("Open in-memory database", async (t) => {
t.is(db.memory, true);
});
test("Statement.get() returns data", async (t) => {
const [db] = await connect(":memory:");
const stmt = db.prepare("SELECT 1");
@@ -31,11 +30,26 @@ test("Statement.run() returns correct result object", async (t) => {
t.deepEqual(rows, { changes: 1, lastInsertRowid: 1 });
});
test("Statment.iterate() should correctly return an iterable object", async (t) => {
const [db] = await connect(":memory:");
db.prepare("CREATE TABLE users (name TEXT, age INTEGER)").run();
db.prepare("INSERT INTO users (name, age) VALUES (?, ?)").run("Alice", 42);
db.prepare("INSERT INTO users (name, age) VALUES (?, ?)").run("Bob", 24);
let rows = db.prepare("SELECT * FROM users").iterate();
for (const row of rows) {
t.truthy(row.name);
t.true(typeof row.age === "number");
}
});
test("Empty prepared statement should throw", async (t) => {
const [db] = await connect(":memory:");
t.throws(() => {
db.prepare("");
}, { instanceOf: Error });
const [db] = await connect(":memory:");
t.throws(
() => {
db.prepare("");
},
{ instanceOf: Error },
);
});
const connect = async (path) => {

18
bindings/javascript/__test__/limbo.spec.mjs
View File

@@ -27,10 +27,22 @@ test("Statement.get() returns null when no data", async (t) => {
// it should return a result object, not a row object
test("Statement.run() returns correct result object", async (t) => {
const [db] = await connect(":memory:");
db.prepare("CREATE TABLE users (name TEXT)").run();
db.prepare("INSERT INTO users (name) VALUES (?)").run(["Alice"]);
db.prepare("CREATE TABLE users (name TEXT, age INTEGER)").run();
db.prepare("INSERT INTO users (name, age) VALUES (?, ?)").run(["Alice", 42]);
let rows = db.prepare("SELECT * FROM users").all();
t.deepEqual(rows, [{ name: "Alice" }]);
t.deepEqual(rows, [{ name: "Alice", age: 42 }]);
});
test("Statment.iterate() should correctly return an iterable object", async (t) => {
const [db] = await connect(":memory:");
db.prepare("CREATE TABLE users (name TEXT, age INTEGER)").run();
db.prepare("INSERT INTO users (name, age) VALUES (?, ?)").run(["Alice", 42]);
db.prepare("INSERT INTO users (name, age) VALUES (?, ?)").run(["Bob", 24]);
let rows = db.prepare("SELECT * FROM users").iterate();
for (const row of rows) {
t.truthy(row.name);
t.true(typeof row.age === "number");
}
});
test("Empty prepared statement should throw", async (t) => {