Edward O'Callaghan has uploaded this change for review.

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tests/chips.c: Mock out open() for lock file

Change-Id: I527a266233648b0eef11a89108e82d0a008eeb8d
Signed-off-by: Edward O'Callaghan <quasisec@google.com>
---
M tests/chip.c
1 file changed, 105 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/flashrom refs/changes/24/62324/1

diff --git a/tests/chip.c b/tests/chip.c
index fe12533..51d7011 100644
--- a/tests/chip.c
+++ b/tests/chip.c
@@ -186,10 +186,41 @@
 	},
 };
 
+#define DEFAULT_MOCK_FD 0xC0FE
+
+struct default_io_mock_state {
+	unsigned int noc;
+	const char *paths[2]; // no. of subsequent paths to check.
+	int flags;
+	int fd;
+};
+
+static int default_open(void *state, const char *pathname, int flags)
+{
+	struct default_io_mock_state * io_state = state;
+	const char *path = io_state->paths[io_state->noc];
+	io_state->noc++; // proceed to the next path upon next call.
+	assert_string_equal(pathname, path);
+	assert_int_equal(flags & io_state->flags, io_state->flags);
+	return io_state->fd;
+}
+
 void erase_chip_test_success(void **state)
 {
 	(void) state; /* unused */
 
+	static struct default_io_mock_state data = {
+		.paths	= {"/run/lock/flashrom_lock"},
+		.noc	= 0,
+		.fd	= DEFAULT_MOCK_FD,
+	};
+	const struct io_mock chip_io = {
+		.open = default_open,
+		.state	= &data,
+	};
+
+	io_mock_register(&chip_io);
+
 	struct flashrom_flashctx flashctx = { 0 };
 	struct flashrom_layout *layout;
 	struct flashchip mock_chip = chip_8MiB;
@@ -208,6 +239,18 @@
 {
 	(void) state; /* unused */
 
+	static struct default_io_mock_state data = {
+		.paths	= {"/run/lock/flashrom_lock"},
+		.noc	= 0,
+		.fd	= DEFAULT_MOCK_FD,
+	};
+	const struct io_mock chip_io = {
+		.open = default_open,
+		.state	= &data,
+	};
+
+	io_mock_register(&chip_io);
+
 	struct flashrom_flashctx flashctx = { 0 };
 	struct flashrom_layout *layout;
 	struct flashchip mock_chip = chip_W25Q128_V;
@@ -232,6 +275,18 @@
 {
 	(void) state; /* unused */
 
+	static struct default_io_mock_state data = {
+		.paths	= {"/run/lock/flashrom_lock"},
+		.noc	= 0,
+		.fd	= DEFAULT_MOCK_FD,
+	};
+	const struct io_mock chip_io = {
+		.open = default_open,
+		.state	= &data,
+	};
+
+	io_mock_register(&chip_io);
+
 	struct flashrom_flashctx flashctx = { 0 };
 	struct flashrom_layout *layout;
 	struct flashchip mock_chip = chip_8MiB;
@@ -257,6 +312,18 @@
 {
 	(void) state; /* unused */
 
+	static struct default_io_mock_state data = {
+		.paths	= {"/run/lock/flashrom_lock"},
+		.noc	= 0,
+		.fd	= DEFAULT_MOCK_FD,
+	};
+	const struct io_mock chip_io = {
+		.open = default_open,
+		.state	= &data,
+	};
+
+	io_mock_register(&chip_io);
+
 	struct flashrom_flashctx flashctx = { 0 };
 	struct flashrom_layout *layout;
 	struct flashchip mock_chip = chip_W25Q128_V;
@@ -287,6 +354,18 @@
 {
 	(void) state; /* unused */
 
+	static struct default_io_mock_state data = {
+		.paths	= {"/run/lock/flashrom_lock"},
+		.noc	= 0,
+		.fd	= DEFAULT_MOCK_FD,
+	};
+	const struct io_mock chip_io = {
+		.open = default_open,
+		.state	= &data,
+	};
+
+	io_mock_register(&chip_io);
+
 	struct flashrom_flashctx flashctx = { 0 };
 	struct flashrom_layout *layout;
 	struct flashchip mock_chip = chip_8MiB;
@@ -325,6 +404,18 @@
 {
 	(void) state; /* unused */
 
+	static struct default_io_mock_state data = {
+		.paths	= {"/run/lock/flashrom_lock"},
+		.noc	= 0,
+		.fd	= DEFAULT_MOCK_FD,
+	};
+	const struct io_mock chip_io = {
+		.open = default_open,
+		.state	= &data,
+	};
+
+	io_mock_register(&chip_io);
+
 	struct flashrom_flashctx flashctx = { 0 };
 	struct flashrom_layout *layout;
 	struct flashchip mock_chip = chip_W25Q128_V;
@@ -367,8 +458,15 @@
 {
 	(void) state; /* unused */
 
+	static struct default_io_mock_state data = {
+		.paths	= {"/run/lock/flashrom_lock"},
+		.noc	= 0,
+		.fd	= DEFAULT_MOCK_FD,
+	};
 	const struct io_mock verify_chip_io = {
 		.fread = verify_chip_fread,
+		.open = default_open,
+		.state	= &data,
 	};
 
 	io_mock_register(&verify_chip_io);
@@ -401,8 +499,15 @@
 {
 	(void) state; /* unused */
 
+	static struct default_io_mock_state data = {
+		.paths	= {"/run/lock/flashrom_lock"},
+		.noc	= 0,
+		.fd	= DEFAULT_MOCK_FD,
+	};
 	const struct io_mock verify_chip_io = {
 		.fread = verify_chip_fread,
+		.open = default_open,
+		.state	= &data,
 	};
 
 	io_mock_register(&verify_chip_io);

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