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Subject[PATCH v3 3/7] kunit: tests for stats_fs API
Date
Add kunit tests to extensively test the stats_fs API functionality.

In order to run them, the kernel .config must set CONFIG_KUNIT=y
and a new .kunitconfig file must be created with CONFIG_STATS_FS=y
and CONFIG_STATS_FS_TEST=y

Tests can be then started by running the following command from the root
directory of the linux kernel source tree:
./tools/testing/kunit/kunit.py run --timeout=30 --jobs=`nproc --all`

Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
---
fs/Kconfig | 6 +
fs/stats_fs/Makefile | 2 +
fs/stats_fs/stats_fs-tests.c | 1097 ++++++++++++++++++++++++++++++++++
3 files changed, 1105 insertions(+)
create mode 100644 fs/stats_fs/stats_fs-tests.c

diff --git a/fs/Kconfig b/fs/Kconfig
index 684ad61129ab..02bbb0e4cdf7 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -227,6 +227,12 @@ config STATS_FS
stats_fs is a virtual file system that provides counters and
other statistics about the running kernel.

+config STATS_FS_TEST
+ bool "Tests for stats_fs"
+ depends on STATS_FS && KUNIT
+ help
+ tests for the stats_fs API.
+
config STATS_FS_API
bool
imply STATS_FS
diff --git a/fs/stats_fs/Makefile b/fs/stats_fs/Makefile
index bd988daa4c39..bc59a54d5721 100644
--- a/fs/stats_fs/Makefile
+++ b/fs/stats_fs/Makefile
@@ -1,5 +1,7 @@
# SPDX-License-Identifier: GPL-2.0-only
stats_fs-objs := stats_fs.o
+stats_fs-tests-objs := stats_fs-tests.o

obj-$(CONFIG_STATS_FS) += stats_fs.o
obj-$(CONFIG_STATS_FS_STUB) += stub.o
+obj-$(CONFIG_STATS_FS_TEST) += stats_fs-tests.o
diff --git a/fs/stats_fs/stats_fs-tests.c b/fs/stats_fs/stats_fs-tests.c
new file mode 100644
index 000000000000..bbac133d7fe7
--- /dev/null
+++ b/fs/stats_fs/stats_fs-tests.c
@@ -0,0 +1,1097 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/module.h>
+#include <linux/errno.h>
+#include <linux/file.h>
+#include <linux/fs.h>
+#include <linux/slab.h>
+#include <linux/anon_inodes.h>
+#include <linux/spinlock.h>
+#include <linux/uaccess.h>
+#include <linux/rwsem.h>
+#include <linux/list.h>
+#include <linux/kref.h>
+
+#include <linux/limits.h>
+#include <linux/stats_fs.h>
+#include <kunit/test.h>
+#include "internal.h"
+
+#define STATS_FS_STAT(el, x, ...) \
+ { \
+ .name = #x, .offset = offsetof(struct container, el.x), \
+ ##__VA_ARGS__ \
+ }
+
+#define ARR_SIZE(el) ((int)(sizeof(el) / sizeof(struct stats_fs_value) - 1))
+
+struct test_values_struct {
+ uint64_t u64;
+ int32_t s32;
+ bool bo;
+ uint8_t u8;
+ int16_t s16;
+};
+
+struct container {
+ struct test_values_struct vals;
+};
+
+struct stats_fs_value test_values[6] = {
+ STATS_FS_STAT(vals, u64, .type = &stats_fs_type_u64,
+ .aggr_kind = STATS_FS_NONE,
+ .value_flag = STATS_FS_FLOATING_VALUE),
+ STATS_FS_STAT(vals, s32, .type = &stats_fs_type_s32,
+ .aggr_kind = STATS_FS_NONE),
+ STATS_FS_STAT(vals, bo, .type = &stats_fs_type_bool,
+ .aggr_kind = STATS_FS_NONE,
+ .value_flag = STATS_FS_FLOATING_VALUE),
+ STATS_FS_STAT(vals, u8, .type = &stats_fs_type_u8,
+ .aggr_kind = STATS_FS_NONE),
+ STATS_FS_STAT(vals, s16, .type = &stats_fs_type_s16,
+ .aggr_kind = STATS_FS_NONE,
+ .value_flag = STATS_FS_FLOATING_VALUE),
+ { NULL },
+};
+
+struct stats_fs_value test_aggr[4] = {
+ STATS_FS_STAT(vals, s32, .type = &stats_fs_type_s32,
+ .aggr_kind = STATS_FS_MIN,
+ .value_flag = STATS_FS_FLOATING_VALUE),
+ STATS_FS_STAT(vals, bo, .type = &stats_fs_type_bool,
+ .aggr_kind = STATS_FS_MAX,
+ .value_flag = STATS_FS_FLOATING_VALUE),
+ STATS_FS_STAT(vals, u64, .type = &stats_fs_type_u64,
+ .aggr_kind = STATS_FS_SUM,
+ .value_flag = STATS_FS_FLOATING_VALUE),
+ { NULL },
+};
+
+struct stats_fs_value test_same_name[3] = {
+ STATS_FS_STAT(vals, s32, .type = &stats_fs_type_s32,
+ .aggr_kind = STATS_FS_NONE),
+ STATS_FS_STAT(vals, s32, .type = &stats_fs_type_s32,
+ .aggr_kind = STATS_FS_MIN),
+ { NULL },
+};
+
+struct stats_fs_value test_all_aggr[6] = {
+ STATS_FS_STAT(vals, s32, .type = &stats_fs_type_s32,
+ .aggr_kind = STATS_FS_MIN),
+ STATS_FS_STAT(vals, bo, .type = &stats_fs_type_bool,
+ .aggr_kind = STATS_FS_COUNT_ZERO,
+ .value_flag = STATS_FS_FLOATING_VALUE),
+ STATS_FS_STAT(vals, u64, .type = &stats_fs_type_u64,
+ .aggr_kind = STATS_FS_SUM),
+ STATS_FS_STAT(vals, u8, .type = &stats_fs_type_u8,
+ .aggr_kind = STATS_FS_AVG,
+ .value_flag = STATS_FS_FLOATING_VALUE),
+ STATS_FS_STAT(vals, s16, .type = &stats_fs_type_s16,
+ .aggr_kind = STATS_FS_MAX,
+ .value_flag = STATS_FS_FLOATING_VALUE),
+ { NULL },
+};
+
+#define def_u64 ((uint64_t)64)
+
+#define def_val_s32 ((int32_t)S32_MIN)
+#define def_val_bool ((bool)true)
+#define def_val_u8 ((uint8_t)127)
+#define def_val_s16 ((int16_t)10000)
+
+#define def_val2_s32 ((int32_t)S16_MAX)
+#define def_val2_bool ((bool)false)
+#define def_val2_u8 ((uint8_t)255)
+#define def_val2_s16 ((int16_t)-20000)
+
+struct container cont = {
+ .vals = {
+ .u64 = def_u64,
+ .s32 = def_val_s32,
+ .bo = def_val_bool,
+ .u8 = def_val_u8,
+ .s16 = def_val_s16,
+ },
+};
+
+struct container cont2 = {
+ .vals = {
+ .u64 = def_u64,
+ .s32 = def_val2_s32,
+ .bo = def_val2_bool,
+ .u8 = def_val2_u8,
+ .s16 = def_val2_s16,
+ },
+};
+
+static void get_stats_at_addr(struct stats_fs_source *src, void *addr,
+ int *aggr, int *val, int use_addr)
+{
+ struct stats_fs_value *entry;
+ struct stats_fs_value_source *src_entry;
+ int counter_val = 0, counter_aggr = 0;
+
+ list_for_each_entry (src_entry, &src->values_head, list_element) {
+ if (use_addr && src_entry->base_addr != addr)
+ continue;
+
+ for (entry = src_entry->values; entry->name; entry++) {
+ if (entry->aggr_kind == STATS_FS_NONE)
+ counter_val++;
+ else
+ counter_aggr++;
+ }
+ }
+
+ if (aggr)
+ *aggr = counter_aggr;
+
+ if (val)
+ *val = counter_val;
+}
+
+int source_has_subsource(struct stats_fs_source *src,
+ struct stats_fs_source *sub)
+{
+ struct stats_fs_source *entry;
+
+ list_for_each_entry (entry, &src->subordinates_head, list_element) {
+ if (entry == sub)
+ return 1;
+ }
+ return 0;
+}
+
+int get_number_subsources(struct stats_fs_source *src)
+{
+ struct stats_fs_source *entry;
+ int counter = 0;
+
+ list_for_each_entry (entry, &src->subordinates_head, list_element) {
+ counter++;
+ }
+ return counter;
+}
+
+int get_number_values(struct stats_fs_source *src)
+{
+ int counter = 0;
+
+ get_stats_at_addr(src, NULL, NULL, &counter, 0);
+ return counter;
+}
+
+int get_total_number_values(struct stats_fs_source *src)
+{
+ struct stats_fs_source *sub_entry;
+ int counter = 0;
+
+ get_stats_at_addr(src, NULL, NULL, &counter, 0);
+
+ list_for_each_entry (sub_entry, &src->subordinates_head, list_element) {
+ counter += get_total_number_values(sub_entry);
+ }
+
+ return counter;
+}
+
+int get_number_aggregates(struct stats_fs_source *src)
+{
+ int counter = 0;
+
+ get_stats_at_addr(src, NULL, &counter, NULL, 1);
+ return counter;
+}
+
+int get_number_values_with_base(struct stats_fs_source *src, void *addr)
+{
+ int counter = 0;
+
+ get_stats_at_addr(src, addr, NULL, &counter, 1);
+ return counter;
+}
+
+int get_number_aggr_with_base(struct stats_fs_source *src, void *addr)
+{
+ int counter = 0;
+
+ get_stats_at_addr(src, addr, &counter, NULL, 1);
+ return counter;
+}
+
+static void test_empty_folder(struct kunit *test)
+{
+ struct stats_fs_source *src;
+
+ src = stats_fs_source_create(0, "kvm_%d", 123);
+ KUNIT_EXPECT_EQ(test, strcmp(src->name, "kvm_123"), 0);
+ KUNIT_EXPECT_EQ(test, get_number_subsources(src), 0);
+ KUNIT_EXPECT_EQ(test, get_number_values(src), 0);
+ KUNIT_EXPECT_EQ(test, get_number_aggregates(src), 0);
+ stats_fs_source_put(src);
+}
+
+static void test_add_subfolder(struct kunit *test)
+{
+ struct stats_fs_source *src, *sub;
+
+ src = stats_fs_source_create(0, "parent");
+ sub = stats_fs_source_create(0, "child");
+ stats_fs_source_add_subordinate(src, sub);
+ KUNIT_EXPECT_EQ(test, source_has_subsource(src, sub), true);
+ KUNIT_EXPECT_EQ(test, get_number_subsources(src), 1);
+ KUNIT_EXPECT_EQ(test, get_number_values(src), 0);
+ KUNIT_EXPECT_EQ(test, get_number_aggregates(src), 0);
+ KUNIT_EXPECT_EQ(test, get_number_values(sub), 0);
+ KUNIT_EXPECT_EQ(test, get_number_aggregates(sub), 0);
+ KUNIT_EXPECT_EQ(test, get_total_number_values(src), 0);
+
+ stats_fs_source_put(sub);
+ sub = stats_fs_source_create(0, "not a child");
+ KUNIT_EXPECT_EQ(test, source_has_subsource(src, sub), false);
+ KUNIT_EXPECT_EQ(test, get_number_subsources(src), 1);
+
+ stats_fs_source_put(sub);
+ stats_fs_source_put(src);
+}
+
+static void test_add_value(struct kunit *test)
+{
+ struct stats_fs_source *src;
+ int n;
+
+ src = stats_fs_source_create(0, "parent");
+
+ // add values
+ n = stats_fs_source_add_values(src, test_values, &cont, 0);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ n = get_number_values_with_base(src, &cont);
+ KUNIT_EXPECT_EQ(test, n, ARR_SIZE(test_values));
+
+ // add same values, nothing happens
+ n = stats_fs_source_add_values(src, test_values, &cont, 0);
+ KUNIT_EXPECT_EQ(test, n, -EEXIST);
+ n = get_number_values_with_base(src, &cont);
+ KUNIT_EXPECT_EQ(test, n, ARR_SIZE(test_values));
+
+ // size is invaried
+ KUNIT_EXPECT_EQ(test, get_number_values(src), ARR_SIZE(test_values));
+
+ // no aggregates
+ n = get_number_aggr_with_base(src, &cont);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ KUNIT_EXPECT_EQ(test, get_number_values(src), ARR_SIZE(test_values));
+ KUNIT_EXPECT_EQ(test, get_number_aggregates(src), 0);
+
+ stats_fs_source_put(src);
+}
+
+static void test_add_value_in_subfolder(struct kunit *test)
+{
+ struct stats_fs_source *src, *sub, *sub_not;
+ int n;
+
+ src = stats_fs_source_create(0, "parent");
+ sub = stats_fs_source_create(0, "child");
+
+ // src -> sub
+ stats_fs_source_add_subordinate(src, sub);
+
+ // add values
+ n = stats_fs_source_add_values(sub, test_values, &cont, 0);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ n = get_number_values_with_base(sub, &cont);
+ KUNIT_EXPECT_EQ(test, n, ARR_SIZE(test_values));
+ KUNIT_EXPECT_EQ(test, get_number_values(src), 0);
+ KUNIT_EXPECT_EQ(test, get_number_aggregates(src), 0);
+ KUNIT_EXPECT_EQ(test, get_total_number_values(src),
+ ARR_SIZE(test_values));
+
+ KUNIT_EXPECT_EQ(test, get_number_values(sub), ARR_SIZE(test_values));
+ // no values in sub
+ KUNIT_EXPECT_EQ(test, get_number_aggregates(sub), 0);
+
+ // different folder
+ sub_not = stats_fs_source_create(0, "not a child");
+
+ // add values
+ n = stats_fs_source_add_values(sub_not, test_values, &cont, 0);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ n = get_number_values_with_base(sub_not, &cont);
+ KUNIT_EXPECT_EQ(test, n, ARR_SIZE(test_values));
+ KUNIT_EXPECT_EQ(test, get_number_values(src), 0);
+ KUNIT_EXPECT_EQ(test, get_number_aggregates(src), 0);
+ KUNIT_EXPECT_EQ(test, get_total_number_values(src),
+ ARR_SIZE(test_values));
+
+ // remove sub, check values is 0
+ stats_fs_source_remove_subordinate(src, sub);
+ KUNIT_EXPECT_EQ(test, get_total_number_values(src), 0);
+
+ // re-add sub, check value are added
+ stats_fs_source_add_subordinate(src, sub);
+ KUNIT_EXPECT_EQ(test, get_total_number_values(src),
+ ARR_SIZE(test_values));
+
+ // add sub_not, check value are twice as many
+ stats_fs_source_add_subordinate(src, sub_not);
+ KUNIT_EXPECT_EQ(test, get_total_number_values(src),
+ ARR_SIZE(test_values) * 2);
+
+ KUNIT_EXPECT_EQ(test, get_number_values(sub_not),
+ ARR_SIZE(test_values));
+ KUNIT_EXPECT_EQ(test, get_number_aggregates(sub_not), 0);
+
+ stats_fs_source_put(sub);
+ stats_fs_source_put(sub_not);
+ stats_fs_source_put(src);
+}
+
+static void test_search_value(struct kunit *test)
+{
+ struct stats_fs_source *src;
+ uint64_t ret;
+ int n;
+
+ src = stats_fs_source_create(0, "parent");
+
+ // add values
+ n = stats_fs_source_add_values(src, test_values, &cont, 0);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ n = get_number_values_with_base(src, &cont);
+ KUNIT_EXPECT_EQ(test, n, ARR_SIZE(test_values));
+
+ // get u64
+ n = stats_fs_source_get_value_by_name(src, "u64", &ret);
+ KUNIT_EXPECT_EQ(test, ret, def_u64);
+ KUNIT_EXPECT_EQ(test, n, 0);
+
+ n = stats_fs_source_get_value_by_name(src, "s32", &ret);
+ KUNIT_EXPECT_EQ(test, ((int32_t)ret), def_val_s32);
+ KUNIT_EXPECT_EQ(test, n, 0);
+
+ n = stats_fs_source_get_value_by_name(src, "bo", &ret);
+ KUNIT_EXPECT_EQ(test, ((bool)ret), def_val_bool);
+ KUNIT_EXPECT_EQ(test, n, 0);
+
+ // get a non-added value
+ n = stats_fs_source_get_value_by_name(src, "does not exist", &ret);
+ KUNIT_EXPECT_EQ(test, ret, 0ull);
+ KUNIT_EXPECT_EQ(test, n, -ENOENT);
+
+ stats_fs_source_put(src);
+}
+
+static void test_search_value_in_subfolder(struct kunit *test)
+{
+ struct stats_fs_source *src, *sub;
+ uint64_t ret;
+ int n;
+
+ src = stats_fs_source_create(0, "parent");
+ sub = stats_fs_source_create(0, "child");
+
+ // src -> sub
+ stats_fs_source_add_subordinate(src, sub);
+
+ // add values to sub
+ n = stats_fs_source_add_values(sub, test_values, &cont, 0);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ n = get_number_values_with_base(sub, &cont);
+ KUNIT_EXPECT_EQ(test, n, ARR_SIZE(test_values));
+
+ n = stats_fs_source_get_value_by_name(sub, "u64", &ret);
+ KUNIT_EXPECT_EQ(test, ret, def_u64);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ n = stats_fs_source_get_value_by_name(src, "u64", &ret);
+ KUNIT_EXPECT_EQ(test, ret, 0ull);
+ KUNIT_EXPECT_EQ(test, n, -ENOENT);
+
+ n = stats_fs_source_get_value_by_name(sub, "s32", &ret);
+ KUNIT_EXPECT_EQ(test, ((int32_t)ret), def_val_s32);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ n = stats_fs_source_get_value_by_name(src, "s32", &ret);
+ KUNIT_EXPECT_EQ(test, ret, 0ull);
+ KUNIT_EXPECT_EQ(test, n, -ENOENT);
+
+ n = stats_fs_source_get_value_by_name(sub, "bo", &ret);
+ KUNIT_EXPECT_EQ(test, ((bool)ret), def_val_bool);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ n = stats_fs_source_get_value_by_name(src, "bo", &ret);
+ KUNIT_EXPECT_EQ(test, ret, 0ull);
+ KUNIT_EXPECT_EQ(test, n, -ENOENT);
+
+ n = stats_fs_source_get_value_by_name(sub, "does not exist", &ret);
+ KUNIT_EXPECT_EQ(test, ret, 0ull);
+ KUNIT_EXPECT_EQ(test, n, -ENOENT);
+ n = stats_fs_source_get_value_by_name(src, "does not exist", &ret);
+ KUNIT_EXPECT_EQ(test, ret, 0ull);
+ KUNIT_EXPECT_EQ(test, n, -ENOENT);
+
+ stats_fs_source_put(sub);
+ stats_fs_source_put(src);
+}
+
+static void test_search_value_in_empty_folder(struct kunit *test)
+{
+ struct stats_fs_source *src;
+ uint64_t ret;
+ int n;
+
+ src = stats_fs_source_create(0, "empty folder");
+ KUNIT_EXPECT_EQ(test, get_number_aggregates(src), 0);
+ KUNIT_EXPECT_EQ(test, get_number_subsources(src), 0);
+ KUNIT_EXPECT_EQ(test, get_number_values(src), 0);
+
+ n = stats_fs_source_get_value_by_name(src, "u64", &ret);
+ KUNIT_EXPECT_EQ(test, ret, 0ull);
+ KUNIT_EXPECT_EQ(test, n, -ENOENT);
+
+ n = stats_fs_source_get_value_by_name(src, "s32", &ret);
+ KUNIT_EXPECT_EQ(test, ret, 0ull);
+ KUNIT_EXPECT_EQ(test, n, -ENOENT);
+
+ n = stats_fs_source_get_value_by_name(src, "bo", &ret);
+ KUNIT_EXPECT_EQ(test, ret, 0ull);
+ KUNIT_EXPECT_EQ(test, n, -ENOENT);
+
+ n = stats_fs_source_get_value_by_name(src, "does not exist", &ret);
+ KUNIT_EXPECT_EQ(test, ret, 0ull);
+ KUNIT_EXPECT_EQ(test, n, -ENOENT);
+
+ stats_fs_source_put(src);
+}
+
+static void test_add_aggregate(struct kunit *test)
+{
+ struct stats_fs_source *src;
+ int n;
+
+ src = stats_fs_source_create(0, "parent");
+
+ // add aggr to src, no values
+ n = stats_fs_source_add_values(src, test_aggr, NULL, 0);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ n = get_number_values_with_base(src, NULL);
+ KUNIT_EXPECT_EQ(test, n, 0);
+
+ // count values
+ n = get_number_aggr_with_base(src, NULL);
+ KUNIT_EXPECT_EQ(test, n, ARR_SIZE(test_aggr));
+
+ // add same array again, should not be added
+ n = stats_fs_source_add_values(src, test_aggr, NULL, 0);
+ KUNIT_EXPECT_EQ(test, n, -EEXIST);
+ n = get_number_aggr_with_base(src, NULL);
+ KUNIT_EXPECT_EQ(test, n, ARR_SIZE(test_aggr));
+
+ KUNIT_EXPECT_EQ(test, get_number_values(src), 0);
+ KUNIT_EXPECT_EQ(test, get_number_aggregates(src), ARR_SIZE(test_aggr));
+
+ stats_fs_source_put(src);
+}
+
+static void test_add_aggregate_in_subfolder(struct kunit *test)
+{
+ struct stats_fs_source *src, *sub, *sub_not;
+ int n;
+
+ src = stats_fs_source_create(0, "parent");
+ sub = stats_fs_source_create(0, "child");
+ // src->sub
+ stats_fs_source_add_subordinate(src, sub);
+
+ // add aggr to sub
+ n = stats_fs_source_add_values(sub, test_aggr, NULL, 0);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ n = get_number_aggr_with_base(sub, NULL);
+ KUNIT_EXPECT_EQ(test, n, ARR_SIZE(test_aggr));
+ KUNIT_EXPECT_EQ(test, get_number_values(src), 0);
+ KUNIT_EXPECT_EQ(test, get_number_aggregates(src), 0);
+ KUNIT_EXPECT_EQ(test, get_total_number_values(src), 0);
+
+ KUNIT_EXPECT_EQ(test, get_number_values(sub), 0);
+ KUNIT_EXPECT_EQ(test, get_number_aggregates(sub), ARR_SIZE(test_aggr));
+
+ // not a child
+ sub_not = stats_fs_source_create(0, "not a child");
+
+ // add aggr to "not a child"
+ n = stats_fs_source_add_values(sub_not, test_aggr, NULL, 0);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ n = get_number_aggr_with_base(sub_not, NULL);
+ KUNIT_EXPECT_EQ(test, n, ARR_SIZE(test_aggr));
+ KUNIT_EXPECT_EQ(test, get_number_values(src), 0);
+ KUNIT_EXPECT_EQ(test, get_number_aggregates(src), 0);
+ KUNIT_EXPECT_EQ(test, get_total_number_values(src), 0);
+
+ // remove sub
+ stats_fs_source_remove_subordinate(src, sub);
+ KUNIT_EXPECT_EQ(test, get_total_number_values(src), 0);
+
+ // re-add both
+ stats_fs_source_add_subordinate(src, sub);
+ KUNIT_EXPECT_EQ(test, get_total_number_values(src), 0);
+ stats_fs_source_add_subordinate(src, sub_not);
+ KUNIT_EXPECT_EQ(test, get_total_number_values(src), 0);
+
+ KUNIT_EXPECT_EQ(test, get_number_values(sub_not), 0);
+ KUNIT_EXPECT_EQ(test, get_number_aggregates(sub_not),
+ ARR_SIZE(test_aggr));
+
+ stats_fs_source_put(sub);
+ stats_fs_source_put(sub_not);
+ stats_fs_source_put(src);
+}
+
+static void test_search_aggregate(struct kunit *test)
+{
+ struct stats_fs_source *src;
+ uint64_t ret;
+ int n;
+
+ src = stats_fs_source_create(0, "parent");
+ n = stats_fs_source_add_values(src, test_aggr, NULL, 0);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ n = get_number_aggr_with_base(src, NULL);
+ KUNIT_EXPECT_EQ(test, n, ARR_SIZE(test_aggr));
+ n = get_number_aggr_with_base(src, &cont);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ n = stats_fs_source_get_value_by_name(src, "u64", &ret);
+ KUNIT_EXPECT_EQ(test, ret, 0ull);
+ KUNIT_EXPECT_EQ(test, n, 0);
+
+ n = stats_fs_source_get_value_by_name(src, "s32", &ret);
+ KUNIT_EXPECT_EQ(test, (int64_t)ret, S64_MAX);
+ KUNIT_EXPECT_EQ(test, n, 0);
+
+ n = stats_fs_source_get_value_by_name(src, "bo", &ret);
+ KUNIT_EXPECT_EQ(test, ret, 0ull);
+ KUNIT_EXPECT_EQ(test, n, 0);
+
+ n = stats_fs_source_get_value_by_name(src, "does not exist", &ret);
+ KUNIT_EXPECT_EQ(test, ret, 0ull);
+ KUNIT_EXPECT_EQ(test, n, -ENOENT);
+ stats_fs_source_put(src);
+}
+
+static void test_search_aggregate_in_subfolder(struct kunit *test)
+{
+ struct stats_fs_source *src, *sub;
+ uint64_t ret;
+ int n;
+
+ src = stats_fs_source_create(0, "parent");
+ sub = stats_fs_source_create(0, "child");
+
+ stats_fs_source_add_subordinate(src, sub);
+
+ n = stats_fs_source_add_values(sub, test_aggr, NULL, 0);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ n = get_number_aggr_with_base(sub, NULL);
+ KUNIT_EXPECT_EQ(test, n, ARR_SIZE(test_aggr));
+ n = get_number_aggr_with_base(sub, &cont);
+ KUNIT_EXPECT_EQ(test, n, 0);
+
+ // no u64 in test_aggr
+ n = stats_fs_source_get_value_by_name(sub, "u64", &ret);
+ KUNIT_EXPECT_EQ(test, ret, 0ull);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ n = stats_fs_source_get_value_by_name(src, "u64", &ret);
+ KUNIT_EXPECT_EQ(test, ret, 0ull);
+ KUNIT_EXPECT_EQ(test, n, -ENOENT);
+
+ n = stats_fs_source_get_value_by_name(sub, "s32", &ret);
+ KUNIT_EXPECT_EQ(test, (int64_t)ret, S64_MAX);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ n = stats_fs_source_get_value_by_name(src, "s32", &ret);
+ KUNIT_EXPECT_EQ(test, ret, 0ull);
+ KUNIT_EXPECT_EQ(test, n, -ENOENT);
+
+ n = stats_fs_source_get_value_by_name(sub, "bo", &ret);
+ KUNIT_EXPECT_EQ(test, ret, 0ull);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ n = stats_fs_source_get_value_by_name(src, "bo", &ret);
+ KUNIT_EXPECT_EQ(test, ret, 0ull);
+ KUNIT_EXPECT_EQ(test, n, -ENOENT);
+
+ n = stats_fs_source_get_value_by_name(sub, "does not exist", &ret);
+ KUNIT_EXPECT_EQ(test, ret, 0ull);
+ KUNIT_EXPECT_EQ(test, n, -ENOENT);
+ n = stats_fs_source_get_value_by_name(src, "does not exist", &ret);
+ KUNIT_EXPECT_EQ(test, ret, 0ull);
+ KUNIT_EXPECT_EQ(test, n, -ENOENT);
+
+ stats_fs_source_put(sub);
+ stats_fs_source_put(src);
+}
+
+void test_search_same(struct kunit *test)
+{
+ struct stats_fs_source *src;
+ uint64_t ret;
+ int n;
+
+ src = stats_fs_source_create(0, "parent");
+ n = stats_fs_source_add_values(src, test_same_name, &cont, 0);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ n = get_number_values_with_base(src, &cont);
+ KUNIT_EXPECT_EQ(test, n, 1);
+ n = get_number_aggr_with_base(src, &cont);
+ KUNIT_EXPECT_EQ(test, n, 1);
+
+ n = stats_fs_source_add_values(src, test_same_name, &cont, 0);
+ KUNIT_EXPECT_EQ(test, n, -EEXIST);
+ n = get_number_values_with_base(src, &cont);
+ KUNIT_EXPECT_EQ(test, n, 1);
+ n = get_number_aggr_with_base(src, &cont);
+ KUNIT_EXPECT_EQ(test, n, 1);
+
+ // returns first the value
+ n = stats_fs_source_get_value_by_name(src, "s32", &ret);
+ KUNIT_EXPECT_EQ(test, ((int32_t)ret), def_val_s32);
+ KUNIT_EXPECT_EQ(test, n, 0);
+
+ stats_fs_source_put(src);
+}
+
+static void test_add_mixed(struct kunit *test)
+{
+ struct stats_fs_source *src;
+ int n;
+
+ src = stats_fs_source_create(0, "parent");
+
+ n = stats_fs_source_add_values(src, test_aggr, NULL, 0);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ n = get_number_values_with_base(src, NULL);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ n = stats_fs_source_add_values(src, test_values, &cont, 0);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ n = get_number_aggr_with_base(src, NULL);
+ KUNIT_EXPECT_EQ(test, n, ARR_SIZE(test_aggr));
+
+ n = stats_fs_source_add_values(src, test_values, &cont, 0);
+ KUNIT_EXPECT_EQ(test, n, -EEXIST);
+ n = get_number_values_with_base(src, &cont);
+ KUNIT_EXPECT_EQ(test, n, ARR_SIZE(test_values));
+ n = stats_fs_source_add_values(src, test_aggr, NULL, 0);
+ KUNIT_EXPECT_EQ(test, n, -EEXIST);
+ n = get_number_aggr_with_base(src, NULL);
+ KUNIT_EXPECT_EQ(test, n, ARR_SIZE(test_aggr));
+
+ KUNIT_EXPECT_EQ(test, get_number_values(src), ARR_SIZE(test_values));
+ KUNIT_EXPECT_EQ(test, get_number_aggregates(src), ARR_SIZE(test_aggr));
+ stats_fs_source_put(src);
+}
+
+static void test_search_mixed(struct kunit *test)
+{
+ struct stats_fs_source *src, *sub;
+ uint64_t ret;
+ int n;
+
+ src = stats_fs_source_create(0, "parent");
+ sub = stats_fs_source_create(0, "child");
+ stats_fs_source_add_subordinate(src, sub);
+
+ // src has the aggregates, sub the values. Just search
+ n = stats_fs_source_add_values(sub, test_values, &cont, 0);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ n = get_number_values_with_base(sub, &cont);
+ KUNIT_EXPECT_EQ(test, n, ARR_SIZE(test_values));
+ n = stats_fs_source_add_values(src, test_aggr, &cont, 0);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ n = get_number_aggr_with_base(src, &cont);
+ KUNIT_EXPECT_EQ(test, n, ARR_SIZE(test_aggr));
+
+ // u64 is sum so again same value
+ n = stats_fs_source_get_value_by_name(sub, "u64", &ret);
+ KUNIT_EXPECT_EQ(test, ret, def_u64);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ n = stats_fs_source_get_value_by_name(src, "u64", &ret);
+ KUNIT_EXPECT_EQ(test, ret, def_u64);
+ KUNIT_EXPECT_EQ(test, n, 0);
+
+ // s32 is min so return the value also in the aggregate
+ n = stats_fs_source_get_value_by_name(sub, "s32", &ret);
+ KUNIT_EXPECT_EQ(test, ((int32_t)ret), def_val_s32);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ n = stats_fs_source_get_value_by_name(src, "s32", &ret);
+ KUNIT_EXPECT_EQ(test, ((int32_t)ret), def_val_s32);
+ KUNIT_EXPECT_EQ(test, n, 0);
+
+ // bo is max
+ n = stats_fs_source_get_value_by_name(sub, "bo", &ret);
+ KUNIT_EXPECT_EQ(test, (bool)ret, def_val_bool);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ n = stats_fs_source_get_value_by_name(src, "bo", &ret);
+ KUNIT_EXPECT_EQ(test, (bool)ret, def_val_bool);
+ KUNIT_EXPECT_EQ(test, n, 0);
+
+ n = stats_fs_source_get_value_by_name(sub, "does not exist", &ret);
+ KUNIT_EXPECT_EQ(test, ret, 0ull);
+ KUNIT_EXPECT_EQ(test, n, -ENOENT);
+ n = stats_fs_source_get_value_by_name(src, "does not exist", &ret);
+ KUNIT_EXPECT_EQ(test, ret, 0ull);
+ KUNIT_EXPECT_EQ(test, n, -ENOENT);
+
+ stats_fs_source_put(sub);
+ stats_fs_source_put(src);
+}
+
+static void test_all_aggregations_agg_val_val(struct kunit *test)
+{
+ struct stats_fs_source *src, *sub1, *sub2;
+ uint64_t ret;
+ int n;
+
+ src = stats_fs_source_create(0, "parent");
+ sub1 = stats_fs_source_create(0, "child1");
+ sub2 = stats_fs_source_create(0, "child2");
+ stats_fs_source_add_subordinate(src, sub1);
+ stats_fs_source_add_subordinate(src, sub2);
+
+ n = stats_fs_source_add_values(sub1, test_all_aggr, &cont, 0);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ n = get_number_aggr_with_base(sub1, &cont);
+ KUNIT_EXPECT_EQ(test, n, ARR_SIZE(test_all_aggr));
+ n = stats_fs_source_add_values(sub2, test_all_aggr, &cont2, 0);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ n = get_number_aggr_with_base(sub2, &cont2);
+ KUNIT_EXPECT_EQ(test, n, ARR_SIZE(test_all_aggr));
+
+ n = stats_fs_source_add_values(src, test_all_aggr, NULL, 0);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ n = get_number_aggr_with_base(src, NULL);
+ KUNIT_EXPECT_EQ(test, n, ARR_SIZE(test_all_aggr));
+
+ // sum
+ n = stats_fs_source_get_value_by_name(src, "u64", &ret);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ KUNIT_EXPECT_EQ(test, ret, def_u64 * 2);
+
+ // min
+ n = stats_fs_source_get_value_by_name(src, "s32", &ret);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ KUNIT_EXPECT_EQ(test, ((int32_t)ret), def_val_s32);
+
+ // count_0
+ n = stats_fs_source_get_value_by_name(src, "bo", &ret);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ KUNIT_EXPECT_EQ(test, ret, 1ull);
+
+ // avg
+ n = stats_fs_source_get_value_by_name(src, "u8", &ret);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ KUNIT_EXPECT_EQ(test, ret, 191ull);
+
+ // max
+ n = stats_fs_source_get_value_by_name(src, "s16", &ret);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ KUNIT_EXPECT_EQ(test, (int16_t)ret, def_val_s16);
+
+ stats_fs_source_put(sub1);
+ stats_fs_source_put(sub2);
+ stats_fs_source_put(src);
+}
+
+static void test_all_aggregations_val_agg_val(struct kunit *test)
+{
+ struct stats_fs_source *src, *sub1, *sub2;
+ uint64_t ret;
+ int n;
+
+ src = stats_fs_source_create(0, "parent");
+ sub1 = stats_fs_source_create(0, "child1");
+ sub2 = stats_fs_source_create(0, "child2");
+ stats_fs_source_add_subordinate(src, sub1);
+ stats_fs_source_add_subordinate(src, sub2);
+
+ n = stats_fs_source_add_values(src, test_all_aggr, &cont, 0);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ n = get_number_aggr_with_base(src, &cont);
+ KUNIT_EXPECT_EQ(test, n, ARR_SIZE(test_all_aggr));
+ n = stats_fs_source_add_values(sub2, test_all_aggr, &cont2, 0);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ n = get_number_aggr_with_base(sub2, &cont2);
+ KUNIT_EXPECT_EQ(test, n, ARR_SIZE(test_all_aggr));
+
+ n = stats_fs_source_add_values(sub1, test_all_aggr, NULL, 0);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ n = get_number_aggr_with_base(sub1, NULL);
+ KUNIT_EXPECT_EQ(test, n, ARR_SIZE(test_all_aggr));
+
+ n = stats_fs_source_get_value_by_name(src, "u64", &ret);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ KUNIT_EXPECT_EQ(test, ret, def_u64);
+ n = stats_fs_source_get_value_by_name(sub1, "u64", &ret);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ KUNIT_EXPECT_EQ(test, ret, 0ull);
+ n = stats_fs_source_get_value_by_name(sub2, "u64", &ret);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ KUNIT_EXPECT_EQ(test, ret, def_u64);
+
+ n = stats_fs_source_get_value_by_name(src, "s32", &ret);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ KUNIT_EXPECT_EQ(test, ((int32_t)ret), def_val_s32);
+ n = stats_fs_source_get_value_by_name(sub1, "s32", &ret);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ KUNIT_EXPECT_EQ(test, (int64_t)ret, S64_MAX); // MIN
+ n = stats_fs_source_get_value_by_name(sub2, "s32", &ret);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ KUNIT_EXPECT_EQ(test, ((int32_t)ret), def_val2_s32);
+
+ n = stats_fs_source_get_value_by_name(src, "bo", &ret);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ KUNIT_EXPECT_EQ(test, (bool)ret, def_val_bool);
+ n = stats_fs_source_get_value_by_name(sub1, "bo", &ret);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ KUNIT_EXPECT_EQ(test, ret, 0ull);
+ n = stats_fs_source_get_value_by_name(sub2, "bo", &ret);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ KUNIT_EXPECT_EQ(test, (bool)ret, def_val2_bool);
+
+ n = stats_fs_source_get_value_by_name(src, "u8", &ret);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ KUNIT_EXPECT_EQ(test, (uint8_t)ret, def_val_u8);
+ n = stats_fs_source_get_value_by_name(sub1, "u8", &ret);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ KUNIT_EXPECT_EQ(test, ret, 0ull);
+ n = stats_fs_source_get_value_by_name(sub2, "u8", &ret);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ KUNIT_EXPECT_EQ(test, (uint8_t)ret, def_val2_u8);
+
+ n = stats_fs_source_get_value_by_name(src, "s16", &ret);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ KUNIT_EXPECT_EQ(test, (int16_t)ret, def_val_s16);
+ n = stats_fs_source_get_value_by_name(sub1, "s16", &ret);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ KUNIT_EXPECT_EQ(test, (int64_t)ret, S64_MIN); // MAX
+ n = stats_fs_source_get_value_by_name(sub2, "s16", &ret);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ KUNIT_EXPECT_EQ(test, (int16_t)ret, def_val2_s16);
+
+ stats_fs_source_put(sub1);
+ stats_fs_source_put(sub2);
+ stats_fs_source_put(src);
+}
+
+static void test_all_aggregations_agg_val_val_sub(struct kunit *test)
+{
+ struct stats_fs_source *src, *sub1, *sub11;
+ uint64_t ret;
+ int n;
+
+ src = stats_fs_source_create(0, "parent");
+ sub1 = stats_fs_source_create(0, "child1");
+ sub11 = stats_fs_source_create(0, "child11");
+ stats_fs_source_add_subordinate(src, sub1);
+ stats_fs_source_add_subordinate(sub1, sub11); // changes here!
+
+ n = stats_fs_source_add_values(sub1, test_values, &cont, 0);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ n = get_number_values_with_base(sub1, &cont);
+ KUNIT_EXPECT_EQ(test, n, ARR_SIZE(test_values));
+ n = stats_fs_source_add_values(sub11, test_values, &cont2, 0);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ n = get_number_values_with_base(sub11, &cont2);
+ KUNIT_EXPECT_EQ(test, n, ARR_SIZE(test_values));
+
+ KUNIT_EXPECT_EQ(test, get_total_number_values(src),
+ ARR_SIZE(test_values) * 2);
+
+ n = stats_fs_source_add_values(sub1, test_all_aggr, &cont, 0);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ n = get_number_aggr_with_base(sub1, &cont);
+ KUNIT_EXPECT_EQ(test, n, ARR_SIZE(test_all_aggr));
+ n = stats_fs_source_add_values(sub11, test_all_aggr, &cont2, 0);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ n = get_number_aggr_with_base(sub11, &cont2);
+ KUNIT_EXPECT_EQ(test, n, ARR_SIZE(test_all_aggr));
+
+ n = stats_fs_source_add_values(src, test_all_aggr, NULL, 0);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ n = get_number_aggr_with_base(src, NULL);
+ KUNIT_EXPECT_EQ(test, n, ARR_SIZE(test_all_aggr));
+
+ // sum
+ n = stats_fs_source_get_value_by_name(src, "u64", &ret);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ KUNIT_EXPECT_EQ(test, ret, def_u64 * 2);
+
+ // min
+ n = stats_fs_source_get_value_by_name(src, "s32", &ret);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ KUNIT_EXPECT_EQ(test, ((int32_t)ret), def_val_s32);
+
+ // count_0
+ n = stats_fs_source_get_value_by_name(src, "bo", &ret);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ KUNIT_EXPECT_EQ(test, ret, 1ull);
+
+ // avg
+ n = stats_fs_source_get_value_by_name(src, "u8", &ret);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ KUNIT_EXPECT_EQ(test, ret, 191ull);
+
+ // max
+ n = stats_fs_source_get_value_by_name(src, "s16", &ret);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ KUNIT_EXPECT_EQ(test, (int16_t)ret, def_val_s16);
+
+ stats_fs_source_put(sub1);
+ stats_fs_source_put(sub11);
+ stats_fs_source_put(src);
+}
+
+static void test_all_aggregations_agg_no_val_sub(struct kunit *test)
+{
+ struct stats_fs_source *src, *sub1, *sub11;
+ uint64_t ret;
+ int n;
+
+ src = stats_fs_source_create(0, "parent");
+ sub1 = stats_fs_source_create(0, "child1");
+ sub11 = stats_fs_source_create(0, "child11");
+ stats_fs_source_add_subordinate(src, sub1);
+ stats_fs_source_add_subordinate(sub1, sub11);
+
+ n = stats_fs_source_add_values(sub11, test_all_aggr, &cont2, 0);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ n = get_number_aggr_with_base(sub11, &cont2);
+ KUNIT_EXPECT_EQ(test, n, ARR_SIZE(test_all_aggr));
+
+ KUNIT_EXPECT_EQ(test, get_total_number_values(src), 0);
+
+ n = stats_fs_source_add_values(src, test_all_aggr, NULL, 0);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ n = get_number_aggr_with_base(src, NULL);
+ KUNIT_EXPECT_EQ(test, n, ARR_SIZE(test_all_aggr));
+
+ // sum
+ n = stats_fs_source_get_value_by_name(src, "u64", &ret);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ KUNIT_EXPECT_EQ(test, ret, def_u64);
+
+ // min
+ n = stats_fs_source_get_value_by_name(src, "s32", &ret);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ KUNIT_EXPECT_EQ(test, ((int32_t)ret), def_val2_s32);
+
+ // count_0
+ n = stats_fs_source_get_value_by_name(src, "bo", &ret);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ KUNIT_EXPECT_EQ(test, ret, 1ull);
+
+ // avg
+ n = stats_fs_source_get_value_by_name(src, "u8", &ret);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ KUNIT_EXPECT_EQ(test, (uint8_t)ret, def_val2_u8);
+
+ // max
+ n = stats_fs_source_get_value_by_name(src, "s16", &ret);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ KUNIT_EXPECT_EQ(test, (int16_t)ret, def_val2_s16);
+
+ stats_fs_source_put(sub1);
+ stats_fs_source_put(sub11);
+ stats_fs_source_put(src);
+}
+
+static void test_all_aggregations_agg_agg_val_sub(struct kunit *test)
+{
+ struct stats_fs_source *src, *sub1, *sub11, *sub12;
+ uint64_t ret;
+ int n;
+
+ src = stats_fs_source_create(0, "parent");
+ sub1 = stats_fs_source_create(0, "child1");
+ sub11 = stats_fs_source_create(0, "child11");
+ sub12 = stats_fs_source_create(0, "child12");
+ stats_fs_source_add_subordinate(src, sub1);
+ stats_fs_source_add_subordinate(sub1, sub11);
+ stats_fs_source_add_subordinate(sub1, sub12);
+
+ n = stats_fs_source_add_values(sub11, test_all_aggr, &cont2, 0);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ n = get_number_aggr_with_base(sub11, &cont2);
+ KUNIT_EXPECT_EQ(test, n, ARR_SIZE(test_all_aggr));
+
+ n = stats_fs_source_add_values(sub12, test_all_aggr, &cont, 0);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ n = get_number_aggr_with_base(sub12, &cont);
+ KUNIT_EXPECT_EQ(test, n, ARR_SIZE(test_all_aggr));
+
+ KUNIT_EXPECT_EQ(test, get_total_number_values(src), 0);
+
+ n = stats_fs_source_add_values(src, test_all_aggr, NULL, 0);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ n = get_number_aggr_with_base(src, NULL);
+ KUNIT_EXPECT_EQ(test, n, ARR_SIZE(test_all_aggr));
+
+ n = stats_fs_source_add_values(sub1, test_all_aggr, NULL, 0);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ n = get_number_aggr_with_base(sub1, NULL);
+ KUNIT_EXPECT_EQ(test, n, ARR_SIZE(test_all_aggr));
+
+ // sum
+ n = stats_fs_source_get_value_by_name(src, "u64", &ret);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ KUNIT_EXPECT_EQ(test, ret, def_u64 * 2);
+
+ // min
+ n = stats_fs_source_get_value_by_name(src, "s32", &ret);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ KUNIT_EXPECT_EQ(test, ((int32_t)ret), def_val_s32);
+
+ // count_0
+ n = stats_fs_source_get_value_by_name(src, "bo", &ret);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ KUNIT_EXPECT_EQ(test, ret, 1ull);
+
+ // avg
+ n = stats_fs_source_get_value_by_name(src, "u8", &ret);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ KUNIT_EXPECT_EQ(test, (uint8_t)ret,
+ (uint8_t)((def_val2_u8 + def_val_u8) / 2));
+
+ // max
+ n = stats_fs_source_get_value_by_name(src, "s16", &ret);
+ KUNIT_EXPECT_EQ(test, n, 0);
+ KUNIT_EXPECT_EQ(test, (int16_t)ret, def_val_s16);
+
+ stats_fs_source_put(sub1);
+ stats_fs_source_put(sub11);
+ stats_fs_source_put(sub12);
+ stats_fs_source_put(src);
+}
+
+static struct kunit_case stats_fs_test_cases[] = {
+ KUNIT_CASE(test_empty_folder),
+ KUNIT_CASE(test_add_subfolder),
+ KUNIT_CASE(test_add_value),
+ KUNIT_CASE(test_add_value_in_subfolder),
+ KUNIT_CASE(test_search_value),
+ KUNIT_CASE(test_search_value_in_subfolder),
+ KUNIT_CASE(test_search_value_in_empty_folder),
+ KUNIT_CASE(test_add_aggregate),
+ KUNIT_CASE(test_add_aggregate_in_subfolder),
+ KUNIT_CASE(test_search_aggregate),
+ KUNIT_CASE(test_search_aggregate_in_subfolder),
+ KUNIT_CASE(test_search_same),
+ KUNIT_CASE(test_add_mixed),
+ KUNIT_CASE(test_search_mixed),
+ KUNIT_CASE(test_all_aggregations_agg_val_val),
+ KUNIT_CASE(test_all_aggregations_val_agg_val),
+ KUNIT_CASE(test_all_aggregations_agg_val_val_sub),
+ KUNIT_CASE(test_all_aggregations_agg_no_val_sub),
+ KUNIT_CASE(test_all_aggregations_agg_agg_val_sub),
+ {}
+};
+
+static struct kunit_suite stats_fs_test_suite = {
+ .name = "stats_fs",
+ .test_cases = stats_fs_test_cases,
+};
+
+kunit_test_suite(stats_fs_test_suite);
--
2.25.4
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