feat: add client tests, status FIFO, and evaluation docs

2026-05-14 14:12:50 +00:00
parent 998406616a
commit 791744beeb
14 changed files with 333 additions and 83 deletions
--- a/engine/tests/test_status_fifo.c
+++ b/engine/tests/test_status_fifo.c
@@ -0,0 +1,89 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/wait.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <string.h>
+#include <errno.h>
+
+#define STATUS_FIFO "/tmp/looper_status"
+#define CMD_FIFO "/tmp/looper_cmd"
+
+static int write_cmd(const char *cmd) {
+    int fd = open(CMD_FIFO, O_WRONLY | O_NONBLOCK);
+    if (fd < 0) return -1;
+    size_t len = strlen(cmd);
+    int n = write(fd, cmd, len);
+    if (n == (int)len && cmd[len-1] != '\n')
+        write(fd, "\n", 1);
+    close(fd);
+    return (n >= 0) ? 0 : -1;
+}
+
+static int read_status_line(char *buf, size_t bufsize) {
+    int fd = open(STATUS_FIFO, O_RDONLY | O_NONBLOCK);
+    if (fd < 0) return -1;
+    FILE *f = fdopen(fd, "r");
+    if (!f) { close(fd); return -1; }
+    if (fgets(buf, bufsize, f) == NULL) {
+        fclose(f);
+        return -1;
+    }
+    fclose(f);
+    return 0;
+}
+
+static pid_t start_looper(void) {
+    pid_t pid = fork();
+    if (pid < 0) { perror("fork"); return -1; }
+    if (pid == 0) {
+        close(2);
+        open("/dev/null", O_WRONLY);
+        execl("./looper", "looper", NULL);
+        perror("execl");
+        _exit(1);
+    }
+    return pid;
+}
+
+static int test_status_after_record(void) {
+    printf("Test: status FIFO reports recording state\n");
+    pid_t pid = start_looper();
+    if (pid < 0) return 1;
+    usleep(200000);
+    if (write_cmd("record 0") != 0) {
+        fprintf(stderr, "  FAIL: cannot write record command\n");
+        kill(pid, SIGTERM); waitpid(pid, NULL, 0);
+        return 1;
+    }
+    usleep(500000);
+    char line[256];
+    if (read_status_line(line, sizeof(line)) != 0) {
+        fprintf(stderr, "  FAIL: cannot read status line\n");
+        kill(pid, SIGTERM); waitpid(pid, NULL, 0);
+        return 1;
+    }
+    int ch, sc;
+    char state[32];
+    if (sscanf(line, "CH=%d SC=%d STATE=%31s", &ch, &sc, state) != 3) {
+        fprintf(stderr, "  FAIL: malformed status line: %s\n", line);
+        kill(pid, SIGTERM); waitpid(pid, NULL, 0);
+        return 1;
+    }
+    if (ch != 0 || sc != 0 || strcmp(state, "RECORD") != 0) {
+        fprintf(stderr, "  FAIL: expected CH=0 SC=0 STATE=RECORD, got: CH=%d SC=%d STATE=%s\n",
+                ch, sc, state);
+        kill(pid, SIGTERM); waitpid(pid, NULL, 0);
+        return 1;
+    }
+    printf("  PASS\n");
+    kill(pid, SIGTERM); waitpid(pid, NULL, 0);
+    return 0;
+}
+
+int main(void) {
+    int fail = 0;
+    fail += test_status_after_record();
+    return fail;
+}