is there a way to mock the ctx.db.system?

hi team! one of my mutation checks for the image size and store them in my table.

const metadata = await ctx.db.system.get(s.storageId as Id<"_storage">)
if (!metadata) throw new ConvexError("not found")
size += metadata.size

const metadata = await ctx.db.system.get(s.storageId as Id<"_storage">)
if (!metadata) throw new ConvexError("not found")
size += metadata.size

is there a way to handle this from the convex-test package? thanks!

5 Replies

winsoroaksOP•8mo ago

also the query does

ctx.storage.getUrl(
          image.uploadedImageId as Id<"_storage">
        )

ctx.storage.getUrl(
          image.uploadedImageId as Id<"_storage">
        )

can i somehow also mock the ctx.storage? or what's the best way to handle it? or maybe i should do

if (process.env.IS_TEST) return "fake"

if (process.env.IS_TEST) return "fake"

in the functions?

Michal Srb•8mo ago

Check out the example tests: https://github.com/get-convex/convex-test/blob/main/convex/storage.test.ts

GitHub

convex-test/convex/storage.test.ts at main · get-convex/convex-test

Testing harness for pure-JS Convex tests. Contribute to get-convex/convex-test development by creating an account on GitHub.

winsoroaksOP•8mo ago

got it. thanks! weird i copied and pasted

const storageId = await t.run(async (ctx) => {
    const bytes = new Uint8Array([0b00001100, 0b00000000]).buffer;
    return await ctx.storage.store(new Blob([bytes]));
  });

const storageId = await t.run(async (ctx) => {
    const bytes = new Uint8Array([0b00001100, 0b00000000]).buffer;
    return await ctx.storage.store(new Blob([bytes]));
  });

and im getting blob.arrayBuffer is not a function

Michal Srb•8mo ago

What's your Node.js version?

node -v

node -v

winsoroaksOP•8mo ago

node -v
v20.9.0

node -v
v20.9.0

lemme try upgrading nvm fixed, i just had to do

 environment: "edge-runtime",

 environment: "edge-runtime",

in my config sorry bout that. thanks!

is there a way to mock the ctx.db.system?

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