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Merge pull request #161 from alexarchambault/bump-jsonrpc4s
Update jsonrpc4s (via a fork)
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134 changes: 134 additions & 0 deletions
134
integration/test/src/bloop/cli/integration/BspTests.scala
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,134 @@ | ||
| package bloop.cli.integration | ||
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| import java.net.{StandardProtocolFamily, UnixDomainSocketAddress} | ||
| import java.nio.channels.SocketChannel | ||
| import java.nio.charset.StandardCharsets | ||
| import java.nio.ByteBuffer | ||
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| class BspTests extends munit.FunSuite { | ||
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| test("no JSON junk in errors") { | ||
| TmpDir.fromTmpDir { root => | ||
| val dirArgs = Seq[os.Shellable]("--daemon-dir", root / "daemon") | ||
| val bspFile = root / "bsp-socket" | ||
|
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| val dummyMsg = | ||
| """{ | ||
| | "jsonrpc": "2.0", | ||
| | "method": "workspace/buildTargetz", | ||
| | "params": null, | ||
| | "id": 2 | ||
| |}""".stripMargin | ||
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| var bspProc: os.SubProcess = null | ||
| var socket: SocketChannel = null | ||
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| try { | ||
| os.proc(Launcher.launcher, dirArgs, "about") | ||
| .call(cwd = root, stdin = os.Inherit, stdout = os.Inherit, env = Launcher.extraEnv) | ||
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| bspProc = | ||
| os.proc(Launcher.launcher, dirArgs, "bsp", "--protocol", "local", "--socket", bspFile) | ||
| .spawn(cwd = root, stdin = os.Inherit, stdout = os.Inherit) | ||
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| val addr = UnixDomainSocketAddress.of(bspFile.toNIO) | ||
| var connected = false | ||
| var attemptCount = 0 | ||
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| while (!connected && bspProc.isAlive() && attemptCount < 10) { | ||
| if (attemptCount > 0) | ||
| Thread.sleep(1000L) | ||
| attemptCount += 1 | ||
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| if (os.exists(bspFile)) { | ||
| socket = SocketChannel.open(StandardProtocolFamily.UNIX) | ||
| socket.connect(addr) | ||
| socket.finishConnect() | ||
| connected = true | ||
| } | ||
| } | ||
|
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| if (!connected) | ||
| sys.error("Not connected to Bloop server via BSP :|") | ||
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| def sendMsg(msg: String): Unit = { | ||
| val bytes = msg.getBytes(StandardCharsets.UTF_8) | ||
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| def doWrite(buf: ByteBuffer): Unit = | ||
| if (buf.position() < buf.limit()) { | ||
| val written = socket.write(buf) | ||
| if (written == 0) | ||
| Thread.sleep(100L) | ||
| doWrite(buf) | ||
| } | ||
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| doWrite(ByteBuffer.wrap( | ||
| (s"Content-Length: ${bytes.length}" + "\r\n\r\n").getBytes(StandardCharsets.UTF_8) | ||
| )) | ||
| doWrite(ByteBuffer.wrap(bytes)) | ||
| } | ||
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| sendMsg(dummyMsg) | ||
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| val arr = Array.ofDim[Byte](10 * 1024) | ||
| val buf = ByteBuffer.wrap(arr) | ||
|
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| // seems to do the job… | ||
| def doRead(buf: ByteBuffer, count: Int): Int = { | ||
| val read = socket.read(buf) | ||
| if (read <= 0 && count < 100) { | ||
| Thread.sleep(100L) | ||
| doRead(buf, count + 1) | ||
| } | ||
| else | ||
| read | ||
| } | ||
|
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| val read = doRead(buf, 0) | ||
| assert(read > 0) | ||
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| val resp = new String(arr, 0, read, StandardCharsets.UTF_8) | ||
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| def validateJson(content: String): Boolean = { | ||
| assert(content.startsWith("{")) | ||
| assert(content.endsWith("}")) | ||
| val chars = content.toCharArray | ||
| val objCount = Array.ofDim[Int](chars.length) | ||
| for (i <- 0 until chars.length) { | ||
| val previous = if (i == 0) 0 else objCount(i - 1) | ||
| val count = previous + (if (chars(i) == '{') 1 else if (chars(i) == '}') -1 else 0) | ||
| objCount(i) = count | ||
| } | ||
| objCount.dropRight(1).forall(_ > 0) | ||
| } | ||
|
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| resp.linesWithSeparators.toVector match { | ||
| case Seq(cl, empty, other @ _*) | ||
| if cl.startsWith("Content-Length:") && empty.trim.isEmpty => | ||
| val json = other.mkString | ||
| val validated = validateJson(json) | ||
| if (!validated) | ||
| pprint.err.log(json) | ||
| assert(validated, "Unexpected JSON response shape") | ||
| case _ => | ||
| pprint.err.log(resp) | ||
| sys.error("Unexpected response shape") | ||
| } | ||
| } | ||
| finally { | ||
| if (socket != null) | ||
| socket.close() | ||
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| if (bspProc != null) { | ||
| bspProc.waitFor(1000L) | ||
| if (bspProc.isAlive()) | ||
| bspProc.close() | ||
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| os.proc(Launcher.launcher, dirArgs, "exit") | ||
| .call(cwd = root, stdin = os.Inherit, stdout = os.Inherit, check = false) | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| } |
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