[U-Boot] [PATCH 5/5] test: compression: Convert to unit test framework

[Simon Glass <sjg@chromium.org>]

Adjust this test to use the unit test framework. Drop the two existing
commands for running the tests and replace them with a single
'ut compression' command, with sub-commands.

Signed-off-by: Simon Glass <sjg@chromium.org>
---

 include/test/compression.h |  17 +++++
 include/test/suites.h      |   1 +
 test/cmd_ut.c              |   7 ++
 test/compression.c         | 185 ++++++++++++++++++++++++++++-----------------
 4 files changed, 141 insertions(+), 69 deletions(-)
 create mode 100644 include/test/compression.h

diff --git a/include/test/compression.h b/include/test/compression.h
new file mode 100644
index 00000000000..646f117ed81
--- /dev/null
+++ b/include/test/compression.h
@@ -0,0 +1,17 @@
+/*
+ * Copyright (c) 2017 Google, Inc
+ * Written by Simon Glass <sjg@chromium.org>
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#ifndef __TEST_COMPRESSION_H__
+#define __TEST_COMPRESSION_H__
+
+#include <test/test.h>
+
+/* Declare a new compression test */
+#define COMPRESSION_TEST(_name, _flags) \
+		UNIT_TEST(_name, _flags, compression_test)
+
+#endif /* __TEST_ENV_H__ */
diff --git a/include/test/suites.h b/include/test/suites.h
index 6b900a8f594..5f2e519084f 100644
--- a/include/test/suites.h
+++ b/include/test/suites.h
@@ -28,5 +28,6 @@ int do_ut_dm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
 int do_ut_env(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
 int do_ut_overlay(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
 int do_ut_time(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
+int do_ut_compression(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]);
 
 #endif /* __TEST_SUITES_H__ */
diff --git a/test/cmd_ut.c b/test/cmd_ut.c
index d860dd72f0b..6b24f463f33 100644
--- a/test/cmd_ut.c
+++ b/test/cmd_ut.c
@@ -50,6 +50,10 @@ static cmd_tbl_t cmd_ut_sub[] = {
 #ifdef CONFIG_UT_TIME
 	U_BOOT_CMD_MKENT(time, CONFIG_SYS_MAXARGS, 1, do_ut_time, "", ""),
 #endif
+#ifdef CONFIG_SANDBOX
+	U_BOOT_CMD_MKENT(compression, CONFIG_SYS_MAXARGS, 1, do_ut_compression,
+			 "", ""),
+#endif
 };
 
 static int do_ut_all(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
@@ -101,6 +105,9 @@ static char ut_help_text[] =
 #endif
 #ifdef CONFIG_UT_TIME
 	"ut time - Very basic test of time functions\n"
+#endif
+#ifdef CONFIG_SANDBOX
+	"ut compression - Test compressors and bootm decompression\n"
 #endif
 	;
 #endif
diff --git a/test/compression.c b/test/compression.c
index 82eed846a94..41fa79bd4c8 100644
--- a/test/compression.c
+++ b/test/compression.c
@@ -4,8 +4,6 @@
  * SPDX-License-Identifier:	GPL-2.0+
  */
 
-#define DEBUG
-
 #include <common.h>
 #include <bootm.h>
 #include <command.h>
@@ -21,6 +19,9 @@
 #include <lzma/LzmaTools.h>
 
 #include <linux/lzo.h>
+#include <test/compression.h>
+#include <test/suites.h>
+#include <test/ut.h>
 
 static const char plain[] =
 	"I am a highly compressable bit of text.\n"
@@ -120,10 +121,11 @@ static const unsigned long lz4_compressed_size = 276;
 
 #define TEST_BUFFER_SIZE	512
 
-typedef int (*mutate_func)(void *, unsigned long, void *, unsigned long,
-			   unsigned long *);
+typedef int (*mutate_func)(struct unit_test_state *uts, void *, unsigned long,
+			   void *, unsigned long, unsigned long *);
 
-static int compress_using_gzip(void *in, unsigned long in_size,
+static int compress_using_gzip(struct unit_test_state *uts,
+			       void *in, unsigned long in_size,
 			       void *out, unsigned long out_max,
 			       unsigned long *out_size)
 {
@@ -137,7 +139,8 @@ static int compress_using_gzip(void *in, unsigned long in_size,
 	return ret;
 }
 
-static int uncompress_using_gzip(void *in, unsigned long in_size,
+static int uncompress_using_gzip(struct unit_test_state *uts,
+				 void *in, unsigned long in_size,
 				 void *out, unsigned long out_max,
 				 unsigned long *out_size)
 {
@@ -151,13 +154,14 @@ static int uncompress_using_gzip(void *in, unsigned long in_size,
 	return ret;
 }
 
-static int compress_using_bzip2(void *in, unsigned long in_size,
+static int compress_using_bzip2(struct unit_test_state *uts,
+				void *in, unsigned long in_size,
 				void *out, unsigned long out_max,
 				unsigned long *out_size)
 {
 	/* There is no bzip2 compression in u-boot, so fake it. */
-	assert(in_size == strlen(plain));
-	assert(memcmp(plain, in, in_size) == 0);
+	ut_asserteq(in_size, strlen(plain));
+	ut_asserteq(0, memcmp(plain, in, in_size));
 
 	if (bzip2_compressed_size > out_max)
 		return -1;
@@ -169,7 +173,8 @@ static int compress_using_bzip2(void *in, unsigned long in_size,
 	return 0;
 }
 
-static int uncompress_using_bzip2(void *in, unsigned long in_size,
+static int uncompress_using_bzip2(struct unit_test_state *uts,
+				  void *in, unsigned long in_size,
 				  void *out, unsigned long out_max,
 				  unsigned long *out_size)
 {
@@ -184,13 +189,14 @@ static int uncompress_using_bzip2(void *in, unsigned long in_size,
 	return (ret != BZ_OK);
 }
 
-static int compress_using_lzma(void *in, unsigned long in_size,
+static int compress_using_lzma(struct unit_test_state *uts,
+			       void *in, unsigned long in_size,
 			       void *out, unsigned long out_max,
 			       unsigned long *out_size)
 {
 	/* There is no lzma compression in u-boot, so fake it. */
-	assert(in_size == strlen(plain));
-	assert(memcmp(plain, in, in_size) == 0);
+	ut_asserteq(in_size,  strlen(plain));
+	ut_asserteq(0, memcmp(plain, in, in_size));
 
 	if (lzma_compressed_size > out_max)
 		return -1;
@@ -202,7 +208,8 @@ static int compress_using_lzma(void *in, unsigned long in_size,
 	return 0;
 }
 
-static int uncompress_using_lzma(void *in, unsigned long in_size,
+static int uncompress_using_lzma(struct unit_test_state *uts,
+				 void *in, unsigned long in_size,
 				 void *out, unsigned long out_max,
 				 unsigned long *out_size)
 {
@@ -216,13 +223,14 @@ static int uncompress_using_lzma(void *in, unsigned long in_size,
 	return (ret != SZ_OK);
 }
 
-static int compress_using_lzo(void *in, unsigned long in_size,
+static int compress_using_lzo(struct unit_test_state *uts,
+			      void *in, unsigned long in_size,
 			      void *out, unsigned long out_max,
 			      unsigned long *out_size)
 {
 	/* There is no lzo compression in u-boot, so fake it. */
-	assert(in_size == strlen(plain));
-	assert(memcmp(plain, in, in_size) == 0);
+	ut_asserteq(in_size,  strlen(plain));
+	ut_asserteq(0, memcmp(plain, in, in_size));
 
 	if (lzo_compressed_size > out_max)
 		return -1;
@@ -234,7 +242,8 @@ static int compress_using_lzo(void *in, unsigned long in_size,
 	return 0;
 }
 
-static int uncompress_using_lzo(void *in, unsigned long in_size,
+static int uncompress_using_lzo(struct unit_test_state *uts,
+				void *in, unsigned long in_size,
 				void *out, unsigned long out_max,
 				unsigned long *out_size)
 {
@@ -249,13 +258,14 @@ static int uncompress_using_lzo(void *in, unsigned long in_size,
 	return (ret != LZO_E_OK);
 }
 
-static int compress_using_lz4(void *in, unsigned long in_size,
+static int compress_using_lz4(struct unit_test_state *uts,
+			      void *in, unsigned long in_size,
 			      void *out, unsigned long out_max,
 			      unsigned long *out_size)
 {
 	/* There is no lz4 compression in u-boot, so fake it. */
-	assert(in_size == strlen(plain));
-	assert(memcmp(plain, in, in_size) == 0);
+	ut_asserteq(in_size,  strlen(plain));
+	ut_asserteq(0, memcmp(plain, in, in_size));
 
 	if (lz4_compressed_size > out_max)
 		return -1;
@@ -267,7 +277,8 @@ static int compress_using_lz4(void *in, unsigned long in_size,
 	return 0;
 }
 
-static int uncompress_using_lz4(void *in, unsigned long in_size,
+static int uncompress_using_lz4(struct unit_test_state *uts,
+				void *in, unsigned long in_size,
 				void *out, unsigned long out_max,
 				unsigned long *out_size)
 {
@@ -298,7 +309,7 @@ struct buf_state {
 	void *compare_buf;
 };
 
-static int run_test_internal(char *name,
+static int run_test_internal(struct unit_test_state *uts, char *name,
 			     mutate_func compress, mutate_func uncompress,
 			     struct buf_state *buf)
 {
@@ -307,8 +318,9 @@ static int run_test_internal(char *name,
 	/* Compress works as expected. */
 	printf("\torig_size:%lu\n", buf->orig_size);
 	memset(buf->compressed_buf, 'A', TEST_BUFFER_SIZE);
-	errcheck(compress(buf->orig_buf, buf->orig_size, buf->compressed_buf,
-			  buf->compressed_size, &buf->compressed_size) == 0);
+	errcheck(compress(uts, buf->orig_buf, buf->orig_size,
+			  buf->compressed_buf, buf->compressed_size,
+			  &buf->compressed_size) == 0);
 	printf("\tcompressed_size:%lu\n", buf->compressed_size);
 	errcheck(buf->compressed_size > 0);
 	errcheck(buf->compressed_size < buf->orig_size);
@@ -317,7 +329,7 @@ static int run_test_internal(char *name,
 	errcheck(((char *)buf->compressed_buf)[buf->compressed_size] == 'A');
 
 	/* Uncompresses with space remaining. */
-	errcheck(uncompress(buf->compressed_buf, buf->compressed_size,
+	errcheck(uncompress(uts, buf->compressed_buf, buf->compressed_size,
 			    buf->uncompressed_buf, buf->uncompressed_size,
 			    &buf->uncompressed_size) == 0);
 	printf("\tuncompressed_size:%lu\n", buf->uncompressed_size);
@@ -327,7 +339,7 @@ static int run_test_internal(char *name,
 
 	/* Uncompresses with exactly the right size output buffer. */
 	memset(buf->uncompressed_buf, 'A', TEST_BUFFER_SIZE);
-	errcheck(uncompress(buf->compressed_buf, buf->compressed_size,
+	errcheck(uncompress(uts, buf->compressed_buf, buf->compressed_size,
 			    buf->uncompressed_buf, buf->orig_size,
 			    &buf->uncompressed_size) == 0);
 	errcheck(buf->uncompressed_size == buf->orig_size);
@@ -337,7 +349,7 @@ static int run_test_internal(char *name,
 
 	/* Make sure compression does not over-run. */
 	memset(buf->compare_buf, 'A', TEST_BUFFER_SIZE);
-	ret = compress(buf->orig_buf, buf->orig_size,
+	ret = compress(uts, buf->orig_buf, buf->orig_size,
 		       buf->compare_buf, buf->compressed_size - 1,
 		       NULL);
 	errcheck(((char *)buf->compare_buf)[buf->compressed_size] == 'A');
@@ -346,7 +358,7 @@ static int run_test_internal(char *name,
 
 	/* Make sure decompression does not over-run. */
 	memset(buf->compare_buf, 'A', TEST_BUFFER_SIZE);
-	ret = uncompress(buf->compressed_buf, buf->compressed_size,
+	ret = uncompress(uts, buf->compressed_buf, buf->compressed_size,
 			 buf->compare_buf, buf->uncompressed_size - 1,
 			 NULL);
 	errcheck(((char *)buf->compare_buf)[buf->uncompressed_size - 1] == 'A');
@@ -360,7 +372,8 @@ out:
 	return ret;
 }
 
-static int run_test(char *name, mutate_func compress, mutate_func uncompress)
+static int run_test(struct unit_test_state *uts, char *name,
+		    mutate_func compress, mutate_func uncompress)
 {
 	struct buf_state sbuf, *buf = &sbuf;
 	int ret;
@@ -380,7 +393,7 @@ static int run_test(char *name, mutate_func compress, mutate_func uncompress)
 	buf->compare_buf = malloc(buf->uncompressed_size);
 	errcheck(buf->compare_buf);
 
-	ret = run_test_internal(name, compress, uncompress, buf);
+	run_test_internal(uts, name, compress, uncompress, buf);
 out:
 	printf(" %s: %s\n", name, ret == 0 ? "ok" : "FAILED");
 
@@ -391,23 +404,41 @@ out:
 	return ret;
 }
 
-static int do_ut_compression(cmd_tbl_t *cmdtp, int flag, int argc,
-			     char *const argv[])
+static int compression_test_gzip(struct unit_test_state *uts)
 {
-	int err = 0;
+	return run_test(uts, "gzip", compress_using_gzip,
+			uncompress_using_gzip);
+}
+COMPRESSION_TEST(compression_test_gzip, 0);
 
-	err += run_test("gzip", compress_using_gzip, uncompress_using_gzip);
-	err += run_test("bzip2", compress_using_bzip2, uncompress_using_bzip2);
-	err += run_test("lzma", compress_using_lzma, uncompress_using_lzma);
-	err += run_test("lzo", compress_using_lzo, uncompress_using_lzo);
-	err += run_test("lz4", compress_using_lz4, uncompress_using_lz4);
+static int compression_test_bzip2(struct unit_test_state *uts)
+{
+	return run_test(uts, "bzip2", compress_using_bzip2,
+			uncompress_using_bzip2);
+}
+COMPRESSION_TEST(compression_test_bzip2, 0);
+
+static int compression_test_lzma(struct unit_test_state *uts)
+{
+	return run_test(uts, "lzma", compress_using_lzma,
+			uncompress_using_lzma);
+}
+COMPRESSION_TEST(compression_test_lzma, 0);
 
-	printf("ut_compression %s\n", err == 0 ? "ok" : "FAILED");
+static int compression_test_lzo(struct unit_test_state *uts)
+{
+	return run_test(uts, "lzo", compress_using_lzo, uncompress_using_lzo);
+}
+COMPRESSION_TEST(compression_test_lzo, 0);
 
-	return err;
+static int compression_test_lz4(struct unit_test_state *uts)
+{
+	return run_test(uts, "lz4", compress_using_lz4, uncompress_using_lz4);
 }
+COMPRESSION_TEST(compression_test_lz4, 0);
 
-static int compress_using_none(void *in, unsigned long in_size,
+static int compress_using_none(struct unit_test_state *uts,
+			       void *in, unsigned long in_size,
 			       void *out, unsigned long out_max,
 			       unsigned long *out_size)
 {
@@ -425,7 +456,8 @@ static int compress_using_none(void *in, unsigned long in_size,
  * @compress:	Our function to compress data
  * @return 0 if OK, non-zero on failure
  */
-static int run_bootm_test(int comp_type, mutate_func compress)
+static int run_bootm_test(struct unit_test_state *uts, int comp_type,
+			  mutate_func compress)
 {
 	ulong compress_size = 1024;
 	void *compress_buff;
@@ -438,20 +470,18 @@ static int run_bootm_test(int comp_type, mutate_func compress)
 	printf("Testing: %s\n", genimg_get_comp_name(comp_type));
 	compress_buff = map_sysmem(image_start, 0);
 	unc_len = strlen(plain);
-	compress((void *)plain, unc_len, compress_buff, compress_size,
+	compress(uts, (void *)plain, unc_len, compress_buff, compress_size,
 		 &compress_size);
 	err = bootm_decomp_image(comp_type, load_addr, image_start,
 				 IH_TYPE_KERNEL, map_sysmem(load_addr, 0),
 				 compress_buff, compress_size, unc_len,
 				 &load_end);
-	if (err)
-		return err;
+	ut_assertok(err);
 	err = bootm_decomp_image(comp_type, load_addr, image_start,
 				 IH_TYPE_KERNEL, map_sysmem(load_addr, 0),
 				 compress_buff, compress_size, unc_len - 1,
 				 &load_end);
-	if (!err)
-		return -EINVAL;
+	ut_assert(err);
 
 	/* We can't detect corruption when not decompressing */
 	if (comp_type == IH_COMP_NONE)
@@ -462,35 +492,52 @@ static int run_bootm_test(int comp_type, mutate_func compress)
 				 IH_TYPE_KERNEL, map_sysmem(load_addr, 0),
 				 compress_buff, compress_size, 0x10000,
 				 &load_end);
-	if (!err)
-		return -EINVAL;
+	ut_assert(err);
 
 	return 0;
 }
 
-static int do_ut_image_decomp(cmd_tbl_t *cmdtp, int flag, int argc,
-			      char *const argv[])
+static int compression_test_bootm_gzip(struct unit_test_state *uts)
 {
-	int err = 0;
+	return run_bootm_test(uts, IH_COMP_GZIP, compress_using_gzip);
+}
+COMPRESSION_TEST(compression_test_bootm_gzip, 0);
 
-	err = run_bootm_test(IH_COMP_GZIP, compress_using_gzip);
-	err |= run_bootm_test(IH_COMP_BZIP2, compress_using_bzip2);
-	err |= run_bootm_test(IH_COMP_LZMA, compress_using_lzma);
-	err |= run_bootm_test(IH_COMP_LZO, compress_using_lzo);
-	err |= run_bootm_test(IH_COMP_LZ4, compress_using_lz4);
-	err |= run_bootm_test(IH_COMP_NONE, compress_using_none);
+static int compression_test_bootm_bzip2(struct unit_test_state *uts)
+{
+	return run_bootm_test(uts, IH_COMP_BZIP2, compress_using_bzip2);
+}
+COMPRESSION_TEST(compression_test_bootm_bzip2, 0);
 
-	printf("ut_image_decomp %s\n", err == 0 ? "ok" : "FAILED");
+static int compression_test_bootm_lzma(struct unit_test_state *uts)
+{
+	return run_bootm_test(uts, IH_COMP_LZMA, compress_using_lzma);
+}
+COMPRESSION_TEST(compression_test_bootm_lzma, 0);
 
-	return 0;
+static int compression_test_bootm_lzo(struct unit_test_state *uts)
+{
+	return run_bootm_test(uts, IH_COMP_LZO, compress_using_lzo);
 }
+COMPRESSION_TEST(compression_test_bootm_lzo, 0);
 
-U_BOOT_CMD(
-	ut_compression,	5,	1,	do_ut_compression,
-	"Basic test of compressors: gzip bzip2 lzma lzo", ""
-);
+static int compression_test_bootm_lz4(struct unit_test_state *uts)
+{
+	return run_bootm_test(uts, IH_COMP_LZ4, compress_using_lz4);
+}
+COMPRESSION_TEST(compression_test_bootm_lz4, 0);
 
-U_BOOT_CMD(
-	ut_image_decomp,	5,	1, do_ut_image_decomp,
-	"Basic test of bootm decompression", ""
-);
+static int compression_test_bootm_none(struct unit_test_state *uts)
+{
+	return run_bootm_test(uts, IH_COMP_NONE, compress_using_none);
+}
+COMPRESSION_TEST(compression_test_bootm_none, 0);
+
+int do_ut_compression(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+	struct unit_test *tests = ll_entry_start(struct unit_test,
+						 compression_test);
+	const int n_ents = ll_entry_count(struct unit_test, compression_test);
+
+	return cmd_ut_category("compression", tests, n_ents, argc, argv);
+}
-- 
2.15.0.417.g466bffb3ac-goog