Re: [PATCH v2 1/2] drm/cmdline-parser: Merge negative tests

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Hi Michał

Applied both patches to drm-misc-next.

Best Regards,
- Maíra Canal

On 8/17/22 18:12, Michał Winiarski wrote:
> Negative tests can be expressed as a single parameterized test case,
> which highlights that we're following the same test logic (passing
> invalid cmdline and expecting drm_mode_parse_command_line_for_connector
> to fail), which improves readability.
> 
> v2: s/negative/invalid to be consistent with other testcases in DRM
> 
> Signed-off-by: Michał Winiarski <michal.winiarski@xxxxxxxxx>
> Tested-by: Maíra Canal <mairacanal@xxxxxxxxxx>
> ---
>  .../gpu/drm/tests/drm_cmdline_parser_test.c   | 293 ++++++------------
>  1 file changed, 103 insertions(+), 190 deletions(-)
> 
> diff --git a/drivers/gpu/drm/tests/drm_cmdline_parser_test.c b/drivers/gpu/drm/tests/drm_cmdline_parser_test.c
> index 59b29cdfdd35..3a46c7d6f2aa 100644
> --- a/drivers/gpu/drm/tests/drm_cmdline_parser_test.c
> +++ b/drivers/gpu/drm/tests/drm_cmdline_parser_test.c
> @@ -109,24 +109,6 @@ static void drm_cmdline_test_force_d_only(struct kunit *test)
>  	KUNIT_EXPECT_EQ(test, mode.force, DRM_FORCE_OFF);
>  }
>  
> -static void drm_cmdline_test_margin_only(struct kunit *test)
> -{
> -	struct drm_cmdline_mode mode = { };
> -	const char *cmdline = "m";
> -
> -	KUNIT_EXPECT_FALSE(test, drm_mode_parse_command_line_for_connector(cmdline,
> -									   &no_connector, &mode));
> -}
> -
> -static void drm_cmdline_test_interlace_only(struct kunit *test)
> -{
> -	struct drm_cmdline_mode mode = { };
> -	const char *cmdline = "i";
> -
> -	KUNIT_EXPECT_FALSE(test, drm_mode_parse_command_line_for_connector(cmdline,
> -									   &no_connector, &mode));
> -}
> -
>  static void drm_cmdline_test_res(struct kunit *test)
>  {
>  	struct drm_cmdline_mode mode = { };
> @@ -149,42 +131,6 @@ static void drm_cmdline_test_res(struct kunit *test)
>  	KUNIT_EXPECT_EQ(test, mode.force, DRM_FORCE_UNSPECIFIED);
>  }
>  
> -static void drm_cmdline_test_res_missing_x(struct kunit *test)
> -{
> -	struct drm_cmdline_mode mode = { };
> -	const char *cmdline = "x480";
> -
> -	KUNIT_EXPECT_FALSE(test, drm_mode_parse_command_line_for_connector(cmdline,
> -									   &no_connector, &mode));
> -}
> -
> -static void drm_cmdline_test_res_missing_y(struct kunit *test)
> -{
> -	struct drm_cmdline_mode mode = { };
> -	const char *cmdline = "1024x";
> -
> -	KUNIT_EXPECT_FALSE(test, drm_mode_parse_command_line_for_connector(cmdline,
> -									   &no_connector, &mode));
> -}
> -
> -static void drm_cmdline_test_res_bad_y(struct kunit *test)
> -{
> -	struct drm_cmdline_mode mode = { };
> -	const char *cmdline = "1024xtest";
> -
> -	KUNIT_EXPECT_FALSE(test, drm_mode_parse_command_line_for_connector(cmdline,
> -									   &no_connector, &mode));
> -}
> -
> -static void drm_cmdline_test_res_missing_y_bpp(struct kunit *test)
> -{
> -	struct drm_cmdline_mode mode = { };
> -	const char *cmdline = "1024x-24";
> -
> -	KUNIT_EXPECT_FALSE(test, drm_mode_parse_command_line_for_connector(cmdline,
> -									   &no_connector, &mode));
> -}
> -
>  static void drm_cmdline_test_res_vesa(struct kunit *test)
>  {
>  	struct drm_cmdline_mode mode = { };
> @@ -274,15 +220,6 @@ static void drm_cmdline_test_res_bpp(struct kunit *test)
>  	KUNIT_EXPECT_EQ(test, mode.force, DRM_FORCE_UNSPECIFIED);
>  }
>  
> -static void drm_cmdline_test_res_bad_bpp(struct kunit *test)
> -{
> -	struct drm_cmdline_mode mode = { };
> -	const char *cmdline = "720x480-test";
> -
> -	KUNIT_EXPECT_FALSE(test, drm_mode_parse_command_line_for_connector(cmdline,
> -									   &no_connector, &mode));
> -}
> -
>  static void drm_cmdline_test_res_refresh(struct kunit *test)
>  {
>  	struct drm_cmdline_mode mode = { };
> @@ -306,15 +243,6 @@ static void drm_cmdline_test_res_refresh(struct kunit *test)
>  	KUNIT_EXPECT_EQ(test, mode.force, DRM_FORCE_UNSPECIFIED);
>  }
>  
> -static void drm_cmdline_test_res_bad_refresh(struct kunit *test)
> -{
> -	struct drm_cmdline_mode mode = { };
> -	const char *cmdline = "720x480@refresh";
> -
> -	KUNIT_EXPECT_FALSE(test, drm_mode_parse_command_line_for_connector(cmdline,
> -									   &no_connector, &mode));
> -}
> -
>  static void drm_cmdline_test_res_bpp_refresh(struct kunit *test)
>  {
>  	struct drm_cmdline_mode mode = { };
> @@ -411,15 +339,6 @@ static void drm_cmdline_test_res_bpp_refresh_force_off(struct kunit *test)
>  	KUNIT_EXPECT_EQ(test, mode.force, DRM_FORCE_OFF);
>  }
>  
> -static void drm_cmdline_test_res_bpp_refresh_force_on_off(struct kunit *test)
> -{
> -	struct drm_cmdline_mode mode = { };
> -	const char *cmdline =  "720x480-24@60de";
> -
> -	KUNIT_EXPECT_FALSE(test, drm_mode_parse_command_line_for_connector(cmdline,
> -									   &no_connector, &mode));
> -}
> -
>  static void drm_cmdline_test_res_bpp_refresh_force_on(struct kunit *test)
>  {
>  	struct drm_cmdline_mode mode = { };
> @@ -563,24 +482,6 @@ static void drm_cmdline_test_res_vesa_margins(struct kunit *test)
>  	KUNIT_EXPECT_EQ(test, mode.force, DRM_FORCE_UNSPECIFIED);
>  }
>  
> -static void drm_cmdline_test_res_invalid_mode(struct kunit *test)
> -{
> -	struct drm_cmdline_mode mode = { };
> -	const char *cmdline = "720x480f";
> -
> -	KUNIT_EXPECT_FALSE(test, drm_mode_parse_command_line_for_connector(cmdline,
> -									   &no_connector, &mode));
> -}
> -
> -static void drm_cmdline_test_res_bpp_wrong_place_mode(struct kunit *test)
> -{
> -	struct drm_cmdline_mode mode = { };
> -	const char *cmdline = "720x480e-24";
> -
> -	KUNIT_EXPECT_FALSE(test, drm_mode_parse_command_line_for_connector(cmdline,
> -									   &no_connector, &mode));
> -}
> -
>  static void drm_cmdline_test_name(struct kunit *test)
>  {
>  	struct drm_cmdline_mode mode = { };
> @@ -608,42 +509,6 @@ static void drm_cmdline_test_name_bpp(struct kunit *test)
>  	KUNIT_EXPECT_EQ(test, mode.bpp, 24);
>  }
>  
> -static void drm_cmdline_test_name_bpp_refresh(struct kunit *test)
> -{
> -	struct drm_cmdline_mode mode = { };
> -	const char *cmdline = "NTSC-24@60";
> -
> -	KUNIT_EXPECT_FALSE(test, drm_mode_parse_command_line_for_connector(cmdline,
> -									   &no_connector, &mode));
> -}
> -
> -static void drm_cmdline_test_name_refresh(struct kunit *test)
> -{
> -	struct drm_cmdline_mode mode = { };
> -	const char *cmdline = "NTSC@60";
> -
> -	KUNIT_EXPECT_FALSE(test, drm_mode_parse_command_line_for_connector(cmdline,
> -									   &no_connector, &mode));
> -}
> -
> -static void drm_cmdline_test_name_refresh_wrong_mode(struct kunit *test)
> -{
> -	struct drm_cmdline_mode mode = { };
> -	const char *cmdline = "NTSC@60m";
> -
> -	KUNIT_EXPECT_FALSE(test, drm_mode_parse_command_line_for_connector(cmdline,
> -									   &no_connector, &mode));
> -}
> -
> -static void drm_cmdline_test_name_refresh_invalid_mode(struct kunit *test)
> -{
> -	struct drm_cmdline_mode mode = { };
> -	const char *cmdline = "NTSC@60f";
> -
> -	KUNIT_EXPECT_FALSE(test, drm_mode_parse_command_line_for_connector(cmdline,
> -									   &no_connector, &mode));
> -}
> -
>  static void drm_cmdline_test_name_option(struct kunit *test)
>  {
>  	struct drm_cmdline_mode mode = { };
> @@ -762,33 +627,6 @@ static void drm_cmdline_test_rotate_270(struct kunit *test)
>  	KUNIT_EXPECT_EQ(test, mode.force, DRM_FORCE_UNSPECIFIED);
>  }
>  
> -static void drm_cmdline_test_rotate_multiple(struct kunit *test)
> -{
> -	struct drm_cmdline_mode mode = { };
> -	const char *cmdline = "720x480,rotate=0,rotate=90";
> -
> -	KUNIT_EXPECT_FALSE(test, drm_mode_parse_command_line_for_connector(cmdline,
> -									   &no_connector, &mode));
> -}
> -
> -static void drm_cmdline_test_rotate_invalid_val(struct kunit *test)
> -{
> -	struct drm_cmdline_mode mode = { };
> -	const char *cmdline = "720x480,rotate=42";
> -
> -	KUNIT_EXPECT_FALSE(test, drm_mode_parse_command_line_for_connector(cmdline,
> -									   &no_connector, &mode));
> -}
> -
> -static void drm_cmdline_test_rotate_truncated(struct kunit *test)
> -{
> -	struct drm_cmdline_mode mode = { };
> -	const char *cmdline = "720x480,rotate=";
> -
> -	KUNIT_EXPECT_FALSE(test, drm_mode_parse_command_line_for_connector(cmdline,
> -									   &no_connector, &mode));
> -}
> -
>  static void drm_cmdline_test_hmirror(struct kunit *test)
>  {
>  	struct drm_cmdline_mode mode = { };
> @@ -885,15 +723,6 @@ static void drm_cmdline_test_multiple_options(struct kunit *test)
>  	KUNIT_EXPECT_EQ(test, mode.force, DRM_FORCE_UNSPECIFIED);
>  }
>  
> -static void drm_cmdline_test_invalid_option(struct kunit *test)
> -{
> -	struct drm_cmdline_mode mode = { };
> -	const char *cmdline = "720x480,test=42";
> -
> -	KUNIT_EXPECT_FALSE(test, drm_mode_parse_command_line_for_connector(cmdline,
> -									   &no_connector, &mode));
> -}
> -
>  static void drm_cmdline_test_bpp_extra_and_option(struct kunit *test)
>  {
>  	struct drm_cmdline_mode mode = { };
> @@ -1006,64 +835,148 @@ static void drm_cmdline_test_panel_orientation(struct kunit *test)
>  	KUNIT_EXPECT_EQ(test, mode.force, DRM_FORCE_UNSPECIFIED);
>  }
>  
> +struct drm_cmdline_invalid_test {
> +	const char *name;
> +	const char *cmdline;
> +};
> +
> +static void drm_cmdline_test_invalid(struct kunit *test)
> +{
> +	const struct drm_cmdline_invalid_test *params = test->param_value;
> +	struct drm_cmdline_mode mode = { };
> +
> +	KUNIT_EXPECT_FALSE(test, drm_mode_parse_command_line_for_connector(params->cmdline,
> +									   &no_connector,
> +									   &mode));
> +}
> +
> +static const struct drm_cmdline_invalid_test drm_cmdline_invalid_tests[] = {
> +	{
> +		.name = "margin_only",
> +		.cmdline = "m",
> +	},
> +	{
> +		.name = "interlace_only",
> +		.cmdline = "i",
> +	},
> +	{
> +		.name = "res_missing_x",
> +		.cmdline = "x480",
> +	},
> +	{
> +		.name = "res_missing_y",
> +		.cmdline = "1024x",
> +	},
> +	{
> +		.name = "res_bad_y",
> +		.cmdline = "1024xtest",
> +	},
> +	{
> +		.name = "res_missing_y_bpp",
> +		.cmdline = "1024x-24",
> +	},
> +	{
> +		.name = "res_bad_bpp",
> +		.cmdline = "720x480-test",
> +	},
> +	{
> +		.name = "res_bad_refresh",
> +		.cmdline = "720x480@refresh",
> +	},
> +	{
> +		.name = "res_bpp_refresh_force_on_off",
> +		.cmdline = "720x480-24@60de",
> +	},
> +	{
> +		.name = "res_invalid_mode",
> +		.cmdline = "720x480f",
> +	},
> +	{
> +		.name = "res_bpp_wrong_place_mode",
> +		.cmdline = "720x480e-24",
> +	},
> +	{
> +		.name = "name_bpp_refresh",
> +		.cmdline = "NTSC-24@60",
> +	},
> +	{
> +		.name = "name_refresh",
> +		.cmdline = "NTSC@60",
> +	},
> +	{
> +		.name = "name_refresh_wrong_mode",
> +		.cmdline = "NTSC@60m",
> +	},
> +	{
> +		.name = "name_refresh_invalid_mode",
> +		.cmdline = "NTSC@60f",
> +	},
> +	{
> +		.name = "rotate_multiple",
> +		.cmdline = "720x480,rotate=0,rotate=90",
> +	},
> +	{
> +		.name = "rotate_invalid_val",
> +		.cmdline = "720x480,rotate=42",
> +	},
> +	{
> +		.name = "rotate_truncated",
> +		.cmdline = "720x480,rotate=",
> +	},
> +	{
> +		.name = "invalid_option",
> +		.cmdline = "720x480,test=42",
> +	},
> +};
> +
> +static void drm_cmdline_invalid_desc(const struct drm_cmdline_invalid_test *t,
> +				     char *desc)
> +{
> +	sprintf(desc, "%s", t->name);
> +}
> +
> +KUNIT_ARRAY_PARAM(drm_cmdline_invalid, drm_cmdline_invalid_tests, drm_cmdline_invalid_desc);
> +
>  static struct kunit_case drm_cmdline_parser_tests[] = {
>  	KUNIT_CASE(drm_cmdline_test_force_d_only),
>  	KUNIT_CASE(drm_cmdline_test_force_D_only_dvi),
>  	KUNIT_CASE(drm_cmdline_test_force_D_only_hdmi),
>  	KUNIT_CASE(drm_cmdline_test_force_D_only_not_digital),
>  	KUNIT_CASE(drm_cmdline_test_force_e_only),
> -	KUNIT_CASE(drm_cmdline_test_margin_only),
> -	KUNIT_CASE(drm_cmdline_test_interlace_only),
>  	KUNIT_CASE(drm_cmdline_test_res),
> -	KUNIT_CASE(drm_cmdline_test_res_missing_x),
> -	KUNIT_CASE(drm_cmdline_test_res_missing_y),
> -	KUNIT_CASE(drm_cmdline_test_res_bad_y),
> -	KUNIT_CASE(drm_cmdline_test_res_missing_y_bpp),
>  	KUNIT_CASE(drm_cmdline_test_res_vesa),
>  	KUNIT_CASE(drm_cmdline_test_res_vesa_rblank),
>  	KUNIT_CASE(drm_cmdline_test_res_rblank),
>  	KUNIT_CASE(drm_cmdline_test_res_bpp),
> -	KUNIT_CASE(drm_cmdline_test_res_bad_bpp),
>  	KUNIT_CASE(drm_cmdline_test_res_refresh),
> -	KUNIT_CASE(drm_cmdline_test_res_bad_refresh),
>  	KUNIT_CASE(drm_cmdline_test_res_bpp_refresh),
>  	KUNIT_CASE(drm_cmdline_test_res_bpp_refresh_interlaced),
>  	KUNIT_CASE(drm_cmdline_test_res_bpp_refresh_margins),
>  	KUNIT_CASE(drm_cmdline_test_res_bpp_refresh_force_off),
> -	KUNIT_CASE(drm_cmdline_test_res_bpp_refresh_force_on_off),
>  	KUNIT_CASE(drm_cmdline_test_res_bpp_refresh_force_on),
>  	KUNIT_CASE(drm_cmdline_test_res_bpp_refresh_force_on_analog),
>  	KUNIT_CASE(drm_cmdline_test_res_bpp_refresh_force_on_digital),
>  	KUNIT_CASE(drm_cmdline_test_res_bpp_refresh_interlaced_margins_force_on),
>  	KUNIT_CASE(drm_cmdline_test_res_margins_force_on),
>  	KUNIT_CASE(drm_cmdline_test_res_vesa_margins),
> -	KUNIT_CASE(drm_cmdline_test_res_invalid_mode),
> -	KUNIT_CASE(drm_cmdline_test_res_bpp_wrong_place_mode),
>  	KUNIT_CASE(drm_cmdline_test_name),
>  	KUNIT_CASE(drm_cmdline_test_name_bpp),
> -	KUNIT_CASE(drm_cmdline_test_name_refresh),
> -	KUNIT_CASE(drm_cmdline_test_name_bpp_refresh),
> -	KUNIT_CASE(drm_cmdline_test_name_refresh_wrong_mode),
> -	KUNIT_CASE(drm_cmdline_test_name_refresh_invalid_mode),
>  	KUNIT_CASE(drm_cmdline_test_name_option),
>  	KUNIT_CASE(drm_cmdline_test_name_bpp_option),
>  	KUNIT_CASE(drm_cmdline_test_rotate_0),
>  	KUNIT_CASE(drm_cmdline_test_rotate_90),
>  	KUNIT_CASE(drm_cmdline_test_rotate_180),
>  	KUNIT_CASE(drm_cmdline_test_rotate_270),
> -	KUNIT_CASE(drm_cmdline_test_rotate_multiple),
> -	KUNIT_CASE(drm_cmdline_test_rotate_invalid_val),
> -	KUNIT_CASE(drm_cmdline_test_rotate_truncated),
>  	KUNIT_CASE(drm_cmdline_test_hmirror),
>  	KUNIT_CASE(drm_cmdline_test_vmirror),
>  	KUNIT_CASE(drm_cmdline_test_margin_options),
>  	KUNIT_CASE(drm_cmdline_test_multiple_options),
> -	KUNIT_CASE(drm_cmdline_test_invalid_option),
>  	KUNIT_CASE(drm_cmdline_test_bpp_extra_and_option),
>  	KUNIT_CASE(drm_cmdline_test_extra_and_option),
>  	KUNIT_CASE(drm_cmdline_test_freestanding_options),
>  	KUNIT_CASE(drm_cmdline_test_freestanding_force_e_and_options),
>  	KUNIT_CASE(drm_cmdline_test_panel_orientation),
> +	KUNIT_CASE_PARAM(drm_cmdline_test_invalid, drm_cmdline_invalid_gen_params),
>  	{}
>  };
>  



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