test: add test suite for plugin exports and agent files

- Add tests for index.ts exports (name, version, description, agents)
- Add tests for agent file existence
- Add tests for postinstall.mjs file filtering logic
- All tests use bun:test framework

Signed-off-by: leocavalcante <[email protected]>

Author: leocavalcante

tests/agents.test.ts

@@ -0,0 +1,59 @@
+import { afterEach, beforeEach, describe, expect, it } from "bun:test"
+import { existsSync, mkdirSync, readdirSync, rmSync, writeFileSync } from "node:fs"
+import { tmpdir } from "node:os"
+import { join } from "node:path"
+
+describe("postinstall.mjs", () => {
+	const testDir = join(tmpdir(), `opencoder-test-${Date.now()}`)
+	const agentsSourceDir = join(testDir, "agents")
+
+	beforeEach(() => {
+		// Create test directories
+		mkdirSync(agentsSourceDir, { recursive: true })
+		// Create mock agent files
+		writeFileSync(join(agentsSourceDir, "test-agent.md"), "# Test Agent")
+		writeFileSync(join(agentsSourceDir, "another-agent.md"), "# Another Agent")
+	})
+
+	afterEach(() => {
+		// Clean up test directories
+		if (existsSync(testDir)) {
+			rmSync(testDir, { recursive: true, force: true })
+		}
+	})
+
+	it("should identify .md files in source directory", () => {
+		const files = readdirSync(agentsSourceDir).filter((f) => f.endsWith(".md"))
+		expect(files).toContain("test-agent.md")
+		expect(files).toContain("another-agent.md")
+		expect(files).toHaveLength(2)
+	})
+
+	it("should not include non-.md files", () => {
+		writeFileSync(join(agentsSourceDir, "readme.txt"), "Not an agent")
+		const files = readdirSync(agentsSourceDir).filter((f) => f.endsWith(".md"))
+		expect(files).not.toContain("readme.txt")
+		expect(files).toHaveLength(2)
+	})
+})
+
+describe("agent files existence", () => {
+	const agentsDir = join(import.meta.dir, "..", "agents")
+
+	it("should have opencoder.md agent file", () => {
+		expect(existsSync(join(agentsDir, "opencoder.md"))).toBe(true)
+	})
+
+	it("should have opencoder-planner.md agent file", () => {
+		expect(existsSync(join(agentsDir, "opencoder-planner.md"))).toBe(true)
+	})
+
+	it("should have opencoder-builder.md agent file", () => {
+		expect(existsSync(join(agentsDir, "opencoder-builder.md"))).toBe(true)
+	})
+
+	it("should have exactly 3 agent files", () => {
+		const files = readdirSync(agentsDir).filter((f) => f.endsWith(".md"))
+		expect(files).toHaveLength(3)
+	})
+})

tests/index.test.ts

@@ -0,0 +1,28 @@
+import { describe, expect, it } from "bun:test"
+import pkg from "../package.json"
+import { agents, description, name, version } from "../src/index.ts"
+
+describe("index.ts exports", () => {
+	it("should export the plugin name from package.json", () => {
+		expect(name).toBe("opencode-plugin-opencoder")
+		expect(name).toBe(pkg.name)
+	})
+
+	it("should export the version from package.json", () => {
+		expect(version).toMatch(/^\d+\.\d+\.\d+/)
+		expect(version).toBe(pkg.version)
+	})
+
+	it("should export a description from package.json", () => {
+		expect(description).toContain("autonomous")
+		expect(description).toBe(pkg.description)
+	})
+
+	it("should export the list of agents", () => {
+		expect(agents).toEqual(["opencoder", "opencoder-planner", "opencoder-builder"])
+	})
+
+	it("should have 3 agents", () => {
+		expect(agents).toHaveLength(3)
+	})
+})