solana-program-examples/oracles/pyth/anchor/tests/pythexample.ts

import * as anchor from "@coral-xyz/anchor";
import { Program } from "@coral-xyz/anchor";
import { Pythexample } from "../target/types/pythexample";

describe("pythexample", () => {
  // Configure the client to use the local cluster.
  anchor.setProvider(anchor.AnchorProvider.env());

  const program = anchor.workspace.Pythexample as Program<Pythexample>;

  const PYTH_FEED_ID = new anchor.web3.PublicKey(
    "H6ARHf6YXhGYeQfUzQNGk6rDNnLBQKrenN712K4AQJEG"
  );

  it("Check SOL_USD Price", async () => {
    const tx = await program.methods
      .readPrice()
      .accounts({
        priceFeed: PYTH_FEED_ID,
        systemProgram: anchor.web3.SystemProgram.programId,
        clock: anchor.web3.SYSVAR_CLOCK_PUBKEY,
      })
      .rpc();

    console.log(
      "Your transaction signature, find the price in the program logs",
      tx
    );
  });
});