diff --git a/test/commands/assets.test.ts b/test/commands/assets.test.ts
new file mode 100644
index 0000000..2cff325
--- /dev/null
+++ b/test/commands/assets.test.ts
@@ -0,0 +1,63 @@
+import { mkdtempSync, rmSync, writeFileSync } from "node:fs"
+import { tmpdir } from "node:os"
+import { join } from "node:path"
+import { afterEach, beforeEach, describe, expect, it, vi } from "vitest"
+import { assetsCommand } from "../../src/commands/assets.js"
+import { type CommandTestContext, createCommandTestContext } from "../mocks.js"
+
+describe("assetsCommand", () => {
+  let ctx: CommandTestContext
+  let dir: string
+
+  beforeEach(() => {
+    ctx = createCommandTestContext()
+    dir = mkdtempSync(join(tmpdir(), "assets-test-"))
+  })
+
+  afterEach(() => {
+    vi.restoreAllMocks()
+    rmSync(dir, { recursive: true, force: true })
+  })
+
+  it("creates command with correct subcommands", () => {
+    const cmd = assetsCommand(ctx.getClient, ctx.getFormat)
+    expect(cmd.name()).toBe("assets")
+    const subcommands = cmd.commands.map(c => c.name())
+    expect(subcommands).toContain("transfer")
+  })
+
+  it("transfer subcommand reads body file and posts it", async () => {
+    const bodyPath = join(dir, "transfer.json")
+    const body = { chain: "base", to: "0xabc", amount: "1" }
+    writeFileSync(bodyPath, JSON.stringify(body))
+    ctx.mockClient.post.mockResolvedValue({ transactions: [] })
+
+    const cmd = assetsCommand(ctx.getClient, ctx.getFormat)
+    await cmd.parseAsync(["transfer", "--body", bodyPath], { from: "user" })
+
+    expect(ctx.mockClient.post).toHaveBeenCalledWith(
+      "/api/v2/assets/transfer",
+      body,
+    )
+  })
+
+  it("transfer subcommand throws when --body file does not exist", async () => {
+    const cmd = assetsCommand(ctx.getClient, ctx.getFormat)
+    await expect(
+      cmd.parseAsync(
+        ["transfer", "--body", join(dir, "does-not-exist.json")],
+        { from: "user" },
+      ),
+    ).rejects.toThrow(/Could not read --body/)
+  })
+
+  it("transfer subcommand throws when --body file is invalid JSON", async () => {
+    const bodyPath = join(dir, "bad.json")
+    writeFileSync(bodyPath, "{ not valid json")
+
+    const cmd = assetsCommand(ctx.getClient, ctx.getFormat)
+    await expect(
+      cmd.parseAsync(["transfer", "--body", bodyPath], { from: "user" }),
+    ).rejects.toThrow(/Could not parse --body/)
+  })
+})