Anastasia Klimchuk has uploaded this change for review.

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tests: Add tests to write on chip

This patch adds two tests and initialises page_size in mock chip
chip_W25Q128_V. page_size was not needed for previous tests
(erase and read). page_size only needed to execute writing on chip
with dummyflasher, so it is added here.

BUG=b:181803212
TEST=ninja test

Change-Id: I6f0336613ab16a7e59857006496e3590ddb14d00
Signed-off-by: Anastasia Klimchuk <aklm@chromium.org>
---
M tests/chip.c
M tests/meson.build
M tests/tests.c
M tests/tests.h
4 files changed, 72 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/flashrom refs/changes/57/58357/1

diff --git a/tests/chip.c b/tests/chip.c
index 54e14d2..4181aed 100644
--- a/tests/chip.c
+++ b/tests/chip.c
@@ -148,6 +148,7 @@
 	.read		= spi_chip_read,
 	.write		= spi_chip_write_256,
 	.unlock         = spi_disable_blockprotect,
+	.page_size	= 256,
 	.block_erasers  =
 	{
 		{
@@ -256,3 +257,63 @@
 
 	free(param_dup);
 }
+
+void write_chip_test_success(void **state)
+{
+	(void) state; /* unused */
+
+	struct flashrom_flashctx flash = { 0 };
+	struct flashrom_layout *layout;
+	struct flashchip mock_chip = chip_8MiB;
+	const char *param = ""; /* Default values for all params. */
+
+	setup_chip(&flash, &layout, &mock_chip, param);
+
+	/*
+	 * Providing filename "-" means content is taken from standard input.
+	 * This doesn't change much because all file operations are mocked.
+	 * However filename "-" makes a difference for
+	 * flashrom.c#read_buf_from_file and allows to avoid mocking
+	 * image_stat.st_size.
+	 *
+	 * Now this does mean test covers successful path only, but this test
+	 * is designed to cover only successful write operation anyway.
+	 *
+	 * To cover error path of image_stat.st_size != flash size, filename
+	 * needs to be provided and image_stat.st_size needs to be mocked.
+	 */
+	const char *const filename = "-";
+
+	printf("Write chip operation started.\n");
+	assert_int_equal(0, do_write(&flash, filename, NULL));
+	printf("Write chip operation done.\n");
+
+	teardown(&layout);
+}
+
+void write_chip_with_dummyflasher_test_success(void **state)
+{
+	(void) state; /* unused */
+
+	struct flashrom_flashctx flash = { 0 };
+	struct flashrom_layout *layout;
+	struct flashchip mock_chip = chip_W25Q128_V;
+	/*
+	 * Dummyflasher is capable to emulate W25Q128.V, so we ask it to do this.
+	 * Nothing to mock, dummy is taking care of this already.
+	 */
+	char *param_dup = strdup("bus=spi,emulate=W25Q128FV");
+
+	setup_chip(&flash, &layout, &mock_chip, param_dup);
+
+	/* See comment in write_chip_test_success */
+	const char *const filename = "-";
+
+	printf("Write chip operation started.\n");
+	assert_int_equal(0, do_write(&flash, filename, NULL));
+	printf("Write chip operation done.\n");
+
+	teardown(&layout);
+
+	free(param_dup);
+}
diff --git a/tests/meson.build b/tests/meson.build
index 8019bd3..0783c60 100644
--- a/tests/meson.build
+++ b/tests/meson.build
@@ -39,6 +39,7 @@
   '-Wl,--wrap=write',
   '-Wl,--wrap=fopen',
   '-Wl,--wrap=fopen64',
+  '-Wl,--wrap=fdopen',
   '-Wl,--wrap=fwrite',
   '-Wl,--wrap=fflush',
   '-Wl,--wrap=stat',
diff --git a/tests/tests.c b/tests/tests.c
index 920d40f..cf50954 100644
--- a/tests/tests.c
+++ b/tests/tests.c
@@ -142,6 +142,12 @@
 	return (void *)MOCK_HANDLE;
 }
 
+FILE *__wrap_fdopen(int fd, const char *mode)
+{
+	LOG_ME;
+	return (void *)MOCK_HANDLE;
+}
+
 int __wrap_stat(const char *path, void *buf)
 {
 	LOG_ME;
@@ -395,6 +401,8 @@
 		cmocka_unit_test(erase_chip_with_dummyflasher_test_success),
 		cmocka_unit_test(read_chip_test_success),
 		cmocka_unit_test(read_chip_with_dummyflasher_test_success),
+		cmocka_unit_test(write_chip_test_success),
+		cmocka_unit_test(write_chip_with_dummyflasher_test_success),
 	};
 	ret |= cmocka_run_group_tests_name("chip.c tests", chip_tests, NULL, NULL);
 
diff --git a/tests/tests.h b/tests/tests.h
index c142b45..732920a 100644
--- a/tests/tests.h
+++ b/tests/tests.h
@@ -61,5 +61,7 @@
 void erase_chip_with_dummyflasher_test_success(void **state);
 void read_chip_test_success(void **state);
 void read_chip_with_dummyflasher_test_success(void **state);
+void write_chip_test_success(void **state);
+void write_chip_with_dummyflasher_test_success(void **state);
 
 #endif /* TESTS_H */

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