Adding upstream version 1.45.3+dfsg.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1004 insertions, 0 deletions

diff --git a/src/fluent-bit/tests/runtime/out_tcp.c b/src/fluent-bit/tests/runtime/out_tcp.c
new file mode 100644
index 000000000..98f323ba3
--- /dev/null
+++ b/src/fluent-bit/tests/runtime/out_tcp.c
@@ -0,0 +1,1004 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+
+/*  Fluent Bit
+ *  ==========
+ *  Copyright (C) 2019-2022 The Fluent Bit Authors
+ *  Copyright (C) 2015-2018 Treasure Data Inc.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+#include <fluent-bit.h>
+#include <fluent-bit/flb_sds.h>
+#include <fluent-bit/flb_time.h>
+#include <fluent-bit/flb_stream.h>
+#include <fluent-bit/flb_upstream.h>
+#include <fluent-bit/flb_downstream.h>
+#include <string.h>
+#include <float.h>
+#include <math.h>
+#include <msgpack.h>
+#include "flb_tests_runtime.h"
+
+#define DEFAULT_IO_TIMEOUT 10
+#define DEFAULT_HOST       "127.0.0.1"
+#define DEFAULT_PORT       "5170"
+
+#define TLS_CERTIFICATE_HOSTNAME "leo.vcap.me"
+#define TLS_CERTIFICATE_FILENAME FLB_TESTS_DATA_PATH "/data/tls/certificate.pem"
+#define TLS_PRIVATE_KEY_FILENAME FLB_TESTS_DATA_PATH "/data/tls/private_key.pem"
+
+struct test_ctx {
+    flb_ctx_t *flb;    /* Fluent Bit library context */
+    int i_ffd;         /* Input fd  */
+    int f_ffd;         /* Filter fd (unused) */
+    int o_ffd;         /* Output fd */
+};
+
+
+pthread_mutex_t result_mutex = PTHREAD_MUTEX_INITIALIZER;
+int num_output = 0;
+static int get_output_num()
+{
+    int ret;
+    pthread_mutex_lock(&result_mutex);
+    ret = num_output;
+    pthread_mutex_unlock(&result_mutex);
+
+    return ret;
+}
+
+static void set_output_num(int num)
+{
+    pthread_mutex_lock(&result_mutex);
+    num_output = num;
+    pthread_mutex_unlock(&result_mutex);
+}
+
+static void clear_output_num()
+{
+    set_output_num(0);
+}
+
+struct str_list {
+    size_t size;
+    char **lists;
+};
+
+/* Callback to check expected results */
+static void cb_check_str_list(void *ctx, int ffd, int res_ret, 
+                              void *res_data, size_t res_size, void *data)
+{
+    char *p;
+    flb_sds_t out_line = res_data;
+    int num = get_output_num();
+    size_t i;
+    struct str_list *l = (struct str_list *)data;
+
+    if (!TEST_CHECK(l != NULL)) {
+        TEST_MSG("l is NULL");
+        flb_sds_destroy(out_line);
+        return;
+    }
+
+    if(!TEST_CHECK(res_ret == 0)) {
+        TEST_MSG("callback ret=%d", res_ret);
+    }
+    if (!TEST_CHECK(res_data != NULL)) {
+        TEST_MSG("res_data is NULL");
+        flb_sds_destroy(out_line);
+        return;
+    }
+
+    for (i=0; i<l->size; i++) {
+        p = strstr(out_line, l->lists[i]);
+        if (!TEST_CHECK(p != NULL)) {
+            TEST_MSG("  Got   :%s\n  expect:%s", out_line, l->lists[i]);
+        }
+    }
+    set_output_num(num+1);
+
+    flb_sds_destroy(out_line);
+}
+
+static int msgpack_strncmp(char* str, size_t str_len, msgpack_object obj)
+{
+    int ret = -1;
+
+    if (str == NULL) {
+        flb_error("str is NULL");
+        return -1;
+    }
+
+    switch (obj.type)  {
+    case MSGPACK_OBJECT_STR:
+        if (obj.via.str.size != str_len) {
+            return -1;
+        }
+        ret = strncmp(str, obj.via.str.ptr, str_len);
+        break;
+    case MSGPACK_OBJECT_POSITIVE_INTEGER:
+        {
+            unsigned long val = strtoul(str, NULL, 10);
+            if (val == (unsigned long)obj.via.u64) {
+                ret = 0;
+            }
+        }
+        break;
+    case MSGPACK_OBJECT_NEGATIVE_INTEGER:
+        {
+            long long val = strtoll(str, NULL, 10);
+            if (val == (unsigned long)obj.via.i64) {
+                ret = 0;
+            }
+        }
+        break;
+    case MSGPACK_OBJECT_FLOAT32:
+    case MSGPACK_OBJECT_FLOAT64:
+        {
+            double val = strtod(str, NULL);
+            if (fabs(val - obj.via.f64) < DBL_EPSILON) {
+                ret = 0;
+            }
+        }
+        break;
+    case MSGPACK_OBJECT_BOOLEAN:
+        if (obj.via.boolean) {
+            if (str_len != 4 /*true*/) {
+                return -1;
+            }
+            ret = strncasecmp(str, "true", 4);
+        }
+        else {
+            if (str_len != 5 /*false*/) {
+                return -1;
+            }
+            ret = strncasecmp(str, "false", 5);
+        }
+        break;
+    default:
+        flb_error("not supported");
+    }
+
+    return ret;
+}
+
+/* Callback to check expected results */
+static void cb_check_msgpack_kv(void *ctx, int ffd, int res_ret, 
+                                void *res_data, size_t res_size, void *data)
+{
+    msgpack_unpacked result;
+    msgpack_object obj;
+    size_t off = 0;
+    struct str_list *l = (struct str_list *)data;
+    int i_map;
+    int map_size;
+    int i_list;
+    int num = get_output_num();
+
+    if (!TEST_CHECK(res_data != NULL)) {
+        TEST_MSG("res_data is NULL");
+        return;
+    }
+
+    if (!TEST_CHECK(data != NULL)) {
+        flb_error("data is NULL");
+        return;
+    }
+
+    /* Iterate each item array and apply rules */
+    msgpack_unpacked_init(&result);
+    while (msgpack_unpack_next(&result, res_data, res_size, &off) == MSGPACK_UNPACK_SUCCESS) {
+        obj = result.data;
+        /*
+        msgpack_object_print(stdout, obj);
+        */
+        if (obj.type != MSGPACK_OBJECT_ARRAY || obj.via.array.size != 2) {
+            flb_error("array error. type = %d", obj.type);
+            continue;
+        }
+        obj = obj.via.array.ptr[1];
+        if (obj.type != MSGPACK_OBJECT_MAP) {
+            flb_error("map error. type = %d", obj.type);
+            continue;
+        }
+        map_size = obj.via.map.size;
+        for (i_map=0; i_map<map_size; i_map++) {
+            if (obj.via.map.ptr[i_map].key.type != MSGPACK_OBJECT_STR) {
+                flb_error("key is not string. type =%d", obj.via.map.ptr[i_map].key.type);
+                continue;
+            }
+            for (i_list=0; i_list< l->size/2; i_list++)  {
+                if (msgpack_strncmp(l->lists[i_list*2], strlen(l->lists[i_list*2]),
+                                    obj.via.map.ptr[i_map].key) == 0 &&
+                    msgpack_strncmp(l->lists[i_list*2+1], strlen(l->lists[i_list*2+1]),
+                                    obj.via.map.ptr[i_map].val) == 0) {
+                    num++;
+                }
+            }
+        }
+    }
+    set_output_num(num);
+
+    msgpack_unpacked_destroy(&result);
+
+    return ;
+}
+
+static struct test_ctx *test_ctx_create()
+{
+    int i_ffd;
+    int o_ffd;
+    struct test_ctx *ctx = NULL;
+
+    ctx = flb_malloc(sizeof(struct test_ctx));
+    if (!TEST_CHECK(ctx != NULL)) {
+        TEST_MSG("malloc failed");
+        flb_errno();
+        return NULL;
+    }
+
+    /* Service config */
+    ctx->flb = flb_create();
+    flb_service_set(ctx->flb,
+                    "Flush", "0.200000000",
+                    "Grace", "1",
+                    "Log_Level", "error",
+                    NULL);
+
+    /* Input */
+    i_ffd = flb_input(ctx->flb, (char *) "lib", NULL);
+    TEST_CHECK(i_ffd >= 0);
+    ctx->i_ffd = i_ffd;
+
+    /* Output */
+    o_ffd = flb_output(ctx->flb, (char *) "tcp", NULL);
+    ctx->o_ffd = o_ffd;
+
+    return ctx;
+}
+
+static void test_ctx_destroy(struct test_ctx *ctx)
+{
+    TEST_CHECK(ctx != NULL);
+
+    sleep(1);
+    flb_stop(ctx->flb);
+    flb_destroy(ctx->flb);
+    flb_free(ctx);
+}
+
+void flb_test_tcp_with_tls()
+{
+    struct flb_net_setup   downstream_net_setup;
+    struct flb_connection *client_connection;
+    size_t                 out_buf_size;
+    char                   in_buf[256];
+    struct flb_downstream *downstream;
+    const char            *out_buf;
+    unsigned short int     port;
+    struct test_ctx       *ctx;
+    int                    ret;
+    struct flb_tls        *tls;
+
+    port = strtoul(DEFAULT_PORT, NULL, 10);
+
+    out_buf = "[1, {\"msg\":\"hello world\"}]";
+    out_buf_size = strlen(out_buf);
+
+    memset(in_buf, 0, sizeof(in_buf));
+
+    ctx = test_ctx_create();
+    if (!TEST_CHECK(ctx != NULL)) {
+        TEST_MSG("test_ctx_create failed");
+        exit(EXIT_FAILURE);
+    }
+
+    ret = flb_output_set(ctx->flb, ctx->o_ffd,
+                         "match",        "*",
+                         "format",       "json",
+                         "host",         DEFAULT_HOST,
+                         "port",         DEFAULT_PORT,
+                         "tls",          "on",
+                         "tls.verify",   "no",
+                         "tls.vhost",    TLS_CERTIFICATE_HOSTNAME,
+                         NULL);
+    TEST_CHECK(ret == 0);
+
+    /* Start the engine */
+    ret = flb_start(ctx->flb);
+    TEST_CHECK(ret == 0);
+
+    ret = flb_tls_init();
+    TEST_CHECK(ret == 0);
+
+    tls = flb_tls_create(FLB_TLS_SERVER_MODE,
+                         FLB_FALSE,
+                         FLB_TRUE,
+                         TLS_CERTIFICATE_HOSTNAME,
+                         NULL,
+                         NULL,
+                         TLS_CERTIFICATE_FILENAME,
+                         TLS_PRIVATE_KEY_FILENAME,
+                         NULL);
+
+    TEST_CHECK(tls != NULL);
+
+    if (tls != NULL) {
+        /* Ingest data sample */
+        ret = flb_lib_push(ctx->flb, ctx->i_ffd, (char *) out_buf, out_buf_size);
+        TEST_CHECK(ret >= 0);
+
+        flb_net_setup_init(&downstream_net_setup);
+
+        downstream_net_setup.io_timeout = DEFAULT_IO_TIMEOUT;
+
+        downstream = flb_downstream_create(FLB_TRANSPORT_TCP,
+                                           FLB_IO_TCP | FLB_IO_TLS,
+                                           DEFAULT_HOST,
+                                           port,
+                                           tls,
+                                           ctx->flb->config,
+                                           &downstream_net_setup);
+
+        TEST_CHECK(downstream != NULL);
+
+        if (downstream != NULL) {
+            flb_stream_disable_async_mode(&downstream->base);
+
+            flb_net_socket_blocking(downstream->server_fd);
+
+            client_connection = flb_downstream_conn_get(downstream);
+
+            TEST_CHECK(client_connection != NULL);
+
+            ret = flb_io_net_read(client_connection,
+                                  (void *) in_buf,
+                                  sizeof(in_buf));
+
+            TEST_CHECK(ret > 0);
+
+            if (ret > 0) {
+                TEST_CHECK(strstr(in_buf, "hello world") != NULL);
+            }
+        }
+    }
+
+    sleep(1);
+
+    flb_stop(ctx->flb);
+    flb_downstream_destroy(downstream);
+    flb_tls_destroy(tls);
+    flb_destroy(ctx->flb);
+    flb_free(ctx);
+}
+
+void flb_test_format_msgpack()
+{
+    struct test_ctx *ctx;
+    int ret;
+    int num;
+
+    char *buf1 = "[1, {\"msg\":\"hello world\", \"val\":1000, \"nval\":-10000, \"bool\":true, \"float\":1.234}]";
+    size_t size1 = strlen(buf1);
+
+    char *expected_strs[] = {"msg", "hello world", "val", "1000", "nval", "-10000", "bool", "true", "float", "1.234"};
+    struct str_list expected = {
+                                .size = sizeof(expected_strs)/sizeof(char*),
+                                .lists = &expected_strs[0],
+    };
+
+    clear_output_num();
+
+    ctx = test_ctx_create();
+    if (!TEST_CHECK(ctx != NULL)) {
+        TEST_MSG("test_ctx_create failed");
+        exit(EXIT_FAILURE);
+    }
+
+    ret = flb_output_set(ctx->flb, ctx->o_ffd,
+                         "match", "*",
+                         "format", "msgpack",
+                         NULL);
+    TEST_CHECK(ret == 0);
+
+    ret = flb_output_set_test(ctx->flb, ctx->o_ffd,
+                         "formatter", cb_check_msgpack_kv,
+                          &expected, NULL);
+    TEST_CHECK(ret == 0);
+
+    /* Start the engine */
+    ret = flb_start(ctx->flb);
+    TEST_CHECK(ret == 0);
+
+    /* Ingest data sample */
+    ret = flb_lib_push(ctx->flb, ctx->i_ffd, (char *) buf1, size1);
+    TEST_CHECK(ret >= 0);
+
+    /* waiting to flush */
+    flb_time_msleep(500);
+
+    num = get_output_num();
+    if (!TEST_CHECK(num == expected.size / 2))  {
+        TEST_MSG("got %d, expected %lu", num, expected.size/2);
+    }
+
+    test_ctx_destroy(ctx);
+}
+
+void flb_test_format_json()
+{
+    struct test_ctx *ctx;
+    int ret;
+    int num;
+
+    char *buf1 = "[1, {\"msg\":\"hello world\"}]";
+    size_t size1 = strlen(buf1);
+    char *buf2 = "[2, {\"msg\":\"hello world\"}]";
+    size_t size2 = strlen(buf2);
+
+    char *expected_strs[] = {"[{\"date\":1.0,\"msg\":\"hello world\"},{\"date\":2.0,\"msg\":\"hello world\"}]"};
+    struct str_list expected = {
+                                .size = sizeof(expected_strs)/sizeof(char*),
+                                .lists = &expected_strs[0],
+    };
+
+    clear_output_num();
+
+    ctx = test_ctx_create();
+    if (!TEST_CHECK(ctx != NULL)) {
+        TEST_MSG("test_ctx_create failed");
+        exit(EXIT_FAILURE);
+    }
+
+    ret = flb_output_set(ctx->flb, ctx->o_ffd,
+                         "match", "*",
+                         "format", "json",
+                         NULL);
+    TEST_CHECK(ret == 0);
+
+    ret = flb_output_set_test(ctx->flb, ctx->o_ffd,
+                         "formatter", cb_check_str_list,
+                          &expected, NULL);
+    TEST_CHECK(ret == 0);
+
+    /* Start the engine */
+    ret = flb_start(ctx->flb);
+    TEST_CHECK(ret == 0);
+
+    /* Ingest data sample */
+    ret = flb_lib_push(ctx->flb, ctx->i_ffd, (char *) buf1, size1);
+    TEST_CHECK(ret >= 0);
+    ret = flb_lib_push(ctx->flb, ctx->i_ffd, (char *) buf2, size2);
+    TEST_CHECK(ret >= 0);
+
+    /* waiting to flush */
+    flb_time_msleep(500);
+
+    num = get_output_num();
+    if (!TEST_CHECK(num > 0))  {
+        TEST_MSG("no outputs");
+    }
+
+    test_ctx_destroy(ctx);
+}
+
+void flb_test_format_json_stream()
+{
+    struct test_ctx *ctx;
+    int ret;
+    int num;
+
+    char *buf1 = "[1, {\"msg\":\"hello world\"}]";
+    size_t size1 = strlen(buf1);
+    char *buf2 = "[2, {\"msg\":\"hello world\"}]";
+    size_t size2 = strlen(buf2);
+
+    char *expected_strs[] = {"{\"date\":1.0,\"msg\":\"hello world\"}{\"date\":2.0,\"msg\":\"hello world\"}"};
+    struct str_list expected = {
+                                .size = sizeof(expected_strs)/sizeof(char*),
+                                .lists = &expected_strs[0],
+    };
+
+    clear_output_num();
+
+    ctx = test_ctx_create();
+    if (!TEST_CHECK(ctx != NULL)) {
+        TEST_MSG("test_ctx_create failed");
+        exit(EXIT_FAILURE);
+    }
+
+    ret = flb_output_set(ctx->flb, ctx->o_ffd,
+                         "match", "*",
+                         "format", "json_stream",
+                         NULL);
+    TEST_CHECK(ret == 0);
+
+    ret = flb_output_set_test(ctx->flb, ctx->o_ffd,
+                         "formatter", cb_check_str_list,
+                          &expected, NULL);
+    TEST_CHECK(ret == 0);
+
+    /* Start the engine */
+    ret = flb_start(ctx->flb);
+    TEST_CHECK(ret == 0);
+
+    /* Ingest data sample */
+    ret = flb_lib_push(ctx->flb, ctx->i_ffd, (char *) buf1, size1);
+    TEST_CHECK(ret >= 0);
+    ret = flb_lib_push(ctx->flb, ctx->i_ffd, (char *) buf2, size2);
+    TEST_CHECK(ret >= 0);
+
+    /* waiting to flush */
+    flb_time_msleep(500);
+
+    num = get_output_num();
+    if (!TEST_CHECK(num > 0))  {
+        TEST_MSG("no outputs");
+    }
+
+    test_ctx_destroy(ctx);
+}
+
+void flb_test_format_json_lines()
+{
+    struct test_ctx *ctx;
+    int ret;
+    int num;
+
+    char *buf1 = "[1, {\"msg\":\"hello world\"}]";
+    size_t size1 = strlen(buf1);
+    char *buf2 = "[2, {\"msg\":\"hello world\"}]";
+    size_t size2 = strlen(buf2);
+
+    char *expected_strs[] = {"{\"date\":1.0,\"msg\":\"hello world\"}\n{\"date\":2.0,\"msg\":\"hello world\"}"};
+    struct str_list expected = {
+                                .size = sizeof(expected_strs)/sizeof(char*),
+                                .lists = &expected_strs[0],
+    };
+
+    clear_output_num();
+
+    ctx = test_ctx_create();
+    if (!TEST_CHECK(ctx != NULL)) {
+        TEST_MSG("test_ctx_create failed");
+        exit(EXIT_FAILURE);
+    }
+
+    ret = flb_output_set(ctx->flb, ctx->o_ffd,
+                         "match", "*",
+                         "format", "json_lines",
+                         NULL);
+    TEST_CHECK(ret == 0);
+
+    ret = flb_output_set_test(ctx->flb, ctx->o_ffd,
+                         "formatter", cb_check_str_list,
+                          &expected, NULL);
+    TEST_CHECK(ret == 0);
+
+    /* Start the engine */
+    ret = flb_start(ctx->flb);
+    TEST_CHECK(ret == 0);
+
+    /* Ingest data sample */
+    ret = flb_lib_push(ctx->flb, ctx->i_ffd, (char *) buf1, size1);
+    TEST_CHECK(ret >= 0);
+    ret = flb_lib_push(ctx->flb, ctx->i_ffd, (char *) buf2, size2);
+    TEST_CHECK(ret >= 0);
+
+    /* waiting to flush */
+    flb_time_msleep(500);
+
+    num = get_output_num();
+    if (!TEST_CHECK(num > 0))  {
+        TEST_MSG("no outputs");
+    }
+
+    test_ctx_destroy(ctx);
+}
+
+void flb_test_set_json_date_key()
+{
+    struct test_ctx *ctx;
+    int ret;
+    int num;
+
+    char *buf1 = "[1, {\"msg\":\"hello world\"}]";
+    size_t size1 = strlen(buf1);
+
+    char *expected_strs[] = {"{\"timestamp\":1.0,\"msg\":\"hello world\"}"};
+    struct str_list expected = {
+                                .size = sizeof(expected_strs)/sizeof(char*),
+                                .lists = &expected_strs[0],
+    };
+
+    clear_output_num();
+
+    ctx = test_ctx_create();
+    if (!TEST_CHECK(ctx != NULL)) {
+        TEST_MSG("test_ctx_create failed");
+        exit(EXIT_FAILURE);
+    }
+
+    ret = flb_output_set(ctx->flb, ctx->o_ffd,
+                         "match", "*",
+                         "format", "json",
+                         "json_date_key", "timestamp",
+                         NULL);
+    TEST_CHECK(ret == 0);
+
+    ret = flb_output_set_test(ctx->flb, ctx->o_ffd,
+                         "formatter", cb_check_str_list,
+                          &expected, NULL);
+    TEST_CHECK(ret == 0);
+
+    /* Start the engine */
+    ret = flb_start(ctx->flb);
+    TEST_CHECK(ret == 0);
+
+    /* Ingest data sample */
+    ret = flb_lib_push(ctx->flb, ctx->i_ffd, (char *) buf1, size1);
+    TEST_CHECK(ret >= 0);
+
+    /* waiting to flush */
+    flb_time_msleep(500);
+
+    num = get_output_num();
+    if (!TEST_CHECK(num > 0))  {
+        TEST_MSG("no outputs");
+    }
+
+    test_ctx_destroy(ctx);
+}
+
+void flb_test_disable_json_date_key()
+{
+    struct test_ctx *ctx;
+    int ret;
+    int num;
+
+    char *buf1 = "[1, {\"msg\":\"hello world\"}]";
+    size_t size1 = strlen(buf1);
+
+    char *expected_strs[] = {"{\"msg\":\"hello world\"}"};
+    struct str_list expected = {
+                                .size = sizeof(expected_strs)/sizeof(char*),
+                                .lists = &expected_strs[0],
+    };
+
+    clear_output_num();
+
+    ctx = test_ctx_create();
+    if (!TEST_CHECK(ctx != NULL)) {
+        TEST_MSG("test_ctx_create failed");
+        exit(EXIT_FAILURE);
+    }
+
+    ret = flb_output_set(ctx->flb, ctx->o_ffd,
+                         "match", "*",
+                         "format", "json",
+                         "json_date_key", "false",
+                         NULL);
+    TEST_CHECK(ret == 0);
+
+    ret = flb_output_set_test(ctx->flb, ctx->o_ffd,
+                         "formatter", cb_check_str_list,
+                          &expected, NULL);
+    TEST_CHECK(ret == 0);
+
+    /* Start the engine */
+    ret = flb_start(ctx->flb);
+    TEST_CHECK(ret == 0);
+
+    /* Ingest data sample */
+    ret = flb_lib_push(ctx->flb, ctx->i_ffd, (char *) buf1, size1);
+    TEST_CHECK(ret >= 0);
+
+    /* waiting to flush */
+    flb_time_msleep(500);
+
+    num = get_output_num();
+    if (!TEST_CHECK(num > 0))  {
+        TEST_MSG("no outputs");
+    }
+
+    test_ctx_destroy(ctx);
+}
+
+void flb_test_json_date_format_epoch()
+{
+    struct test_ctx *ctx;
+    int ret;
+    int num;
+
+    char *buf1 = "[1, {\"msg\":\"hello world\"}]";
+    size_t size1 = strlen(buf1);
+
+    char *expected_strs[] = {"{\"date\":1,\"msg\":\"hello world\"}"};
+    struct str_list expected = {
+                                .size = sizeof(expected_strs)/sizeof(char*),
+                                .lists = &expected_strs[0],
+    };
+
+    clear_output_num();
+
+    ctx = test_ctx_create();
+    if (!TEST_CHECK(ctx != NULL)) {
+        TEST_MSG("test_ctx_create failed");
+        exit(EXIT_FAILURE);
+    }
+
+    ret = flb_output_set(ctx->flb, ctx->o_ffd,
+                         "match", "*",
+                         "format", "json",
+                         "json_date_format", "epoch",
+                         NULL);
+    TEST_CHECK(ret == 0);
+
+    ret = flb_output_set_test(ctx->flb, ctx->o_ffd,
+                         "formatter", cb_check_str_list,
+                          &expected, NULL);
+    TEST_CHECK(ret == 0);
+
+    /* Start the engine */
+    ret = flb_start(ctx->flb);
+    TEST_CHECK(ret == 0);
+
+    /* Ingest data sample */
+    ret = flb_lib_push(ctx->flb, ctx->i_ffd, (char *) buf1, size1);
+    TEST_CHECK(ret >= 0);
+
+    /* waiting to flush */
+    flb_time_msleep(500);
+
+    num = get_output_num();
+    if (!TEST_CHECK(num > 0))  {
+        TEST_MSG("no outputs");
+    }
+
+    test_ctx_destroy(ctx);
+}
+
+void flb_test_json_date_format_iso8601()
+{
+    struct test_ctx *ctx;
+    int ret;
+    int num;
+
+    char *buf1 = "[1, {\"msg\":\"hello world\"}]";
+    size_t size1 = strlen(buf1);
+
+    char *expected_strs[] = {"\"msg\":\"hello world\"", "\"date\":\"1970-01-01T00:00:01.000000Z\""};
+    struct str_list expected = {
+                                .size = sizeof(expected_strs)/sizeof(char*),
+                                .lists = &expected_strs[0],
+    };
+
+    clear_output_num();
+
+    ctx = test_ctx_create();
+    if (!TEST_CHECK(ctx != NULL)) {
+        TEST_MSG("test_ctx_create failed");
+        exit(EXIT_FAILURE);
+    }
+
+    ret = flb_output_set(ctx->flb, ctx->o_ffd,
+                         "match", "*",
+                         "format", "json",
+                         "json_date_format", "iso8601",
+                         NULL);
+    TEST_CHECK(ret == 0);
+
+    ret = flb_output_set_test(ctx->flb, ctx->o_ffd,
+                         "formatter", cb_check_str_list,
+                          &expected, NULL);
+    TEST_CHECK(ret == 0);
+
+    /* Start the engine */
+    ret = flb_start(ctx->flb);
+    TEST_CHECK(ret == 0);
+
+    /* Ingest data sample */
+    ret = flb_lib_push(ctx->flb, ctx->i_ffd, (char *) buf1, size1);
+    TEST_CHECK(ret >= 0);
+
+    /* waiting to flush */
+    flb_time_msleep(500);
+
+    num = get_output_num();
+    if (!TEST_CHECK(num > 0))  {
+        TEST_MSG("no outputs");
+    }
+
+    test_ctx_destroy(ctx);
+}
+
+void flb_test_json_date_format_java_sql_timestamp()
+{
+    struct test_ctx *ctx;
+    int ret;
+    int num;
+
+    char *buf1 = "[1, {\"msg\":\"hello world\"}]";
+    size_t size1 = strlen(buf1);
+
+    char *expected_strs[] = {"\"msg\":\"hello world\"", "\"date\":\"1970-01-01 00:00:01.000000\""};
+    struct str_list expected = {
+                                .size = sizeof(expected_strs)/sizeof(char*),
+                                .lists = &expected_strs[0],
+    };
+
+    clear_output_num();
+
+    ctx = test_ctx_create();
+    if (!TEST_CHECK(ctx != NULL)) {
+        TEST_MSG("test_ctx_create failed");
+        exit(EXIT_FAILURE);
+    }
+
+    ret = flb_output_set(ctx->flb, ctx->o_ffd,
+                         "match", "*",
+                         "format", "json",
+                         "json_date_format", "java_sql_timestamp",
+                         NULL);
+    TEST_CHECK(ret == 0);
+
+    ret = flb_output_set_test(ctx->flb, ctx->o_ffd,
+                         "formatter", cb_check_str_list,
+                          &expected, NULL);
+    TEST_CHECK(ret == 0);
+
+    /* Start the engine */
+    ret = flb_start(ctx->flb);
+    TEST_CHECK(ret == 0);
+
+    /* Ingest data sample */
+    ret = flb_lib_push(ctx->flb, ctx->i_ffd, (char *) buf1, size1);
+    TEST_CHECK(ret >= 0);
+
+    /* waiting to flush */
+    flb_time_msleep(500);
+
+    num = get_output_num();
+    if (!TEST_CHECK(num > 0))  {
+        TEST_MSG("no outputs");
+    }
+
+    test_ctx_destroy(ctx);
+}
+
+#define WAIT_STOP (5+1) /* pause in flb_engine_stop and buffer period */
+
+static void cb_check_basic(void *ctx, int ffd,
+                           int res_ret, void *res_data, size_t res_size,
+                           void *data)
+{
+    char *p;
+    flb_sds_t out_js = res_data;
+    char *index_line = "{\\\"key1\\\":\\\"123\\\"}";
+
+    p = strstr(out_js, index_line);
+    if (!TEST_CHECK(p != NULL)) {
+      TEST_MSG("Given:%s", out_js);
+    }
+
+    flb_sds_destroy(out_js);
+}
+
+
+
+void flb_test_tcp_exit_workers(void)
+{
+    int ret;
+    flb_ctx_t *ctx;
+    int in_ffd;
+    int out_ffd;
+
+    ctx = flb_create();
+
+    /* Grace -1 to do a clean shutdown */
+    flb_service_set(ctx, "Flush", "1", "Grace", "-1", "Log_Level", "error", NULL);
+
+    /* Lib input mode */
+    in_ffd = flb_input(ctx, (char *) "dummy", NULL);
+    flb_input_set(ctx, in_ffd,
+                  "tag", "test",
+                  "samples", "1",
+                  "dummy", "{\"key1\": 123, \"key2\": {\"s1\": \"fluent\"}}",
+                  NULL);
+
+
+    /* TCP output */
+    out_ffd = flb_output(ctx, (char *) "tcp", NULL);
+    flb_output_set(ctx, out_ffd,
+                   "match", "test",
+                   NULL);
+
+    /* Enable test mode */
+    ret = flb_output_set_test(ctx, out_ffd, "formatter",
+                              cb_check_basic,
+                              NULL, NULL);
+
+    /* Start */
+    ret = flb_start(ctx);
+    TEST_CHECK(ret == 0);
+
+    /* Stop right away */
+    flb_stop(ctx);
+
+    sleep(WAIT_STOP);
+    
+    flb_destroy(ctx);
+}
+
+void flb_test_tcp_exit_no_workers(void)
+{
+    int ret;
+    flb_ctx_t *ctx;
+    int in_ffd;
+    int out_ffd;
+
+    ctx = flb_create();
+
+    /* Grace -1 to do a clean shutdown */
+    flb_service_set(ctx, "Flush", "1", "Grace", "-1", "Log_Level", "error", NULL);
+
+    /* Lib input mode */
+    in_ffd = flb_input(ctx, (char *) "dummy", NULL);
+    flb_input_set(ctx, in_ffd,
+                  "tag", "test",
+                  "samples", "1",
+                  "dummy", "{\"key1\": 123, \"key2\": {\"s1\": \"fluent\"}}",
+                  NULL);
+
+
+    /* TCP output */
+    out_ffd = flb_output(ctx, (char *) "tcp", NULL);
+    flb_output_set(ctx, out_ffd,
+                   "match", "test",
+                   "workers", "0",
+                   NULL);
+
+    /* Enable test mode */
+    ret = flb_output_set_test(ctx, out_ffd, "formatter",
+                              cb_check_basic,
+                              NULL, NULL);
+
+    /* Start */
+    ret = flb_start(ctx);
+    TEST_CHECK(ret == 0);
+
+    /* Stop right away */
+    flb_stop(ctx);
+
+    sleep(WAIT_STOP);
+    
+    flb_destroy(ctx);    
+}
+
+/* Test list */
+TEST_LIST = {
+    {"tcp_with_tls", flb_test_tcp_with_tls},
+    {"format_msgpack" , flb_test_format_msgpack},
+    {"format_json" , flb_test_format_json},
+    {"format_json_stream" , flb_test_format_json_stream},
+    {"format_json_lines" , flb_test_format_json_lines},
+    {"set_json_date_key" , flb_test_set_json_date_key},
+    {"disable_json_date_key" , flb_test_disable_json_date_key},
+    {"json_date_format_epoch" , flb_test_json_date_format_epoch},
+    {"json_date_format_iso8601" , flb_test_json_date_format_iso8601},
+    {"json_date_format_java_sql_timestamp" , flb_test_json_date_format_java_sql_timestamp},
+    {"tcp_exit_workers",            flb_test_tcp_exit_workers},
+    {"tcp_exit_no_workers",         flb_test_tcp_exit_no_workers},
+    {NULL, NULL}
+};