Split up the super large test cases of_unittest_find_node_by_name and of_unittest_dynamic into properly sized and defined test cases.
Signed-off-by: Brendan Higgins brendanhiggins@google.com --- drivers/of/base-test.c | 315 ++++++++++++++++++++++++++++++++++------- 1 file changed, 260 insertions(+), 55 deletions(-)
diff --git a/drivers/of/base-test.c b/drivers/of/base-test.c index 5731787a3fca8..46c3dd9ce6628 100644 --- a/drivers/of/base-test.c +++ b/drivers/of/base-test.c @@ -8,10 +8,10 @@
#include "test-common.h"
-static void of_unittest_find_node_by_name(struct kunit *test) +static void of_test_find_node_by_name_basic(struct kunit *test) { struct device_node *np; - const char *options, *name; + const char *name;
np = of_find_node_by_path("/testcase-data"); name = kasprintf(GFP_KERNEL, "%pOF", np); @@ -20,11 +20,21 @@ static void of_unittest_find_node_by_name(struct kunit *test) "find /testcase-data failed\n"); of_node_put(np); kfree(name); +}
+static void of_test_find_node_by_name_trailing_slash(struct kunit *test) +{ /* Test if trailing '/' works */ KUNIT_EXPECT_EQ_MSG(test, of_find_node_by_path("/testcase-data/"), NULL, "trailing '/' on /testcase-data/ should fail\n");
+} + +static void of_test_find_node_by_name_multiple_components(struct kunit *test) +{ + struct device_node *np; + const char *name; + np = of_find_node_by_path("/testcase-data/phandle-tests/consumer-a"); KUNIT_ASSERT_NOT_ERR_OR_NULL(test, np); name = kasprintf(GFP_KERNEL, "%pOF", np); @@ -33,6 +43,12 @@ static void of_unittest_find_node_by_name(struct kunit *test) "find /testcase-data/phandle-tests/consumer-a failed\n"); of_node_put(np); kfree(name); +} + +static void of_test_find_node_by_name_with_alias(struct kunit *test) +{ + struct device_node *np; + const char *name;
np = of_find_node_by_path("testcase-alias"); KUNIT_ASSERT_NOT_ERR_OR_NULL(test, np); @@ -41,10 +57,23 @@ static void of_unittest_find_node_by_name(struct kunit *test) "find testcase-alias failed\n"); of_node_put(np); kfree(name); +}
+static void of_test_find_node_by_name_with_alias_and_slash(struct kunit *test) +{ /* Test if trailing '/' works on aliases */ KUNIT_EXPECT_EQ_MSG(test, of_find_node_by_path("testcase-alias/"), NULL, - "trailing '/' on testcase-alias/ should fail\n"); + "trailing '/' on testcase-alias/ should fail\n"); +} + +/* + * TODO(brendanhiggins@google.com): This looks like a duplicate of + * of_test_find_node_by_name_multiple_components + */ +static void of_test_find_node_by_name_multiple_components_2(struct kunit *test) +{ + struct device_node *np; + const char *name;
np = of_find_node_by_path("testcase-alias/phandle-tests/consumer-a"); KUNIT_ASSERT_NOT_ERR_OR_NULL(test, np); @@ -54,29 +83,60 @@ static void of_unittest_find_node_by_name(struct kunit *test) "find testcase-alias/phandle-tests/consumer-a failed\n"); of_node_put(np); kfree(name); +} + +static void of_test_find_node_by_name_missing_path(struct kunit *test) +{ + struct device_node *np;
KUNIT_EXPECT_EQ_MSG(test, - of_find_node_by_path("/testcase-data/missing-path"), + np = of_find_node_by_path( + "/testcase-data/missing-path"), NULL, - "non-existent path returned node %pOF\n", np); + "non-existent path returned node %pOF\n", np); of_node_put(np); +}
- KUNIT_EXPECT_EQ_MSG(test, of_find_node_by_path("missing-alias"), NULL, - "non-existent alias returned node %pOF\n", np); +static void of_test_find_node_by_name_missing_alias(struct kunit *test) +{ + struct device_node *np; + + KUNIT_EXPECT_EQ_MSG(test, + np = of_find_node_by_path("missing-alias"), NULL, + "non-existent alias returned node %pOF\n", np); of_node_put(np); +} + +static void of_test_find_node_by_name_missing_alias_with_relative_path( + struct kunit *test) +{ + struct device_node *np;
KUNIT_EXPECT_EQ_MSG(test, - of_find_node_by_path("testcase-alias/missing-path"), + np = of_find_node_by_path( + "testcase-alias/missing-path"), NULL, - "non-existent alias with relative path returned node %pOF\n", - np); + "non-existent alias with relative path returned node %pOF\n", + np); of_node_put(np); +} + +static void of_test_find_node_by_name_with_option(struct kunit *test) +{ + struct device_node *np; + const char *options;
np = of_find_node_opts_by_path("/testcase-data:testoption", &options); KUNIT_ASSERT_NOT_ERR_OR_NULL(test, np); KUNIT_EXPECT_STREQ_MSG(test, "testoption", options, "option path test failed\n"); of_node_put(np); +} + +static void of_test_find_node_by_name_with_option_and_slash(struct kunit *test) +{ + struct device_node *np; + const char *options;
np = of_find_node_opts_by_path("/testcase-data:test/option", &options); KUNIT_ASSERT_NOT_ERR_OR_NULL(test, np); @@ -91,11 +151,22 @@ static void of_unittest_find_node_by_name(struct kunit *test) KUNIT_EXPECT_STREQ_MSG(test, "test/option", options, "option path test, subcase #2 failed\n"); of_node_put(np); +} + +static void of_test_find_node_by_name_with_null_option(struct kunit *test) +{ + struct device_node *np;
np = of_find_node_opts_by_path("/testcase-data:testoption", NULL); KUNIT_EXPECT_NOT_ERR_OR_NULL_MSG(test, np, "NULL option path test failed\n"); of_node_put(np); +} + +static void of_test_find_node_by_name_with_option_alias(struct kunit *test) +{ + struct device_node *np; + const char *options;
np = of_find_node_opts_by_path("testcase-alias:testaliasoption", &options); @@ -103,6 +174,13 @@ static void of_unittest_find_node_by_name(struct kunit *test) KUNIT_EXPECT_STREQ_MSG(test, "testaliasoption", options, "option alias path test failed\n"); of_node_put(np); +} + +static void of_test_find_node_by_name_with_option_alias_and_slash( + struct kunit *test) +{ + struct device_node *np; + const char *options;
np = of_find_node_opts_by_path("testcase-alias:test/alias/option", &options); @@ -110,11 +188,22 @@ static void of_unittest_find_node_by_name(struct kunit *test) KUNIT_EXPECT_STREQ_MSG(test, "test/alias/option", options, "option alias path test, subcase #1 failed\n"); of_node_put(np); +} + +static void of_test_find_node_by_name_with_null_option_alias(struct kunit *test) +{ + struct device_node *np;
np = of_find_node_opts_by_path("testcase-alias:testaliasoption", NULL); - KUNIT_EXPECT_NOT_ERR_OR_NULL_MSG(test, np, - "NULL option alias path test failed\n"); + KUNIT_EXPECT_NOT_ERR_OR_NULL_MSG( + test, np, "NULL option alias path test failed\n"); of_node_put(np); +} + +static void of_test_find_node_by_name_option_clearing(struct kunit *test) +{ + struct device_node *np; + const char *options;
options = "testoption"; np = of_find_node_opts_by_path("testcase-alias", &options); @@ -122,6 +211,12 @@ static void of_unittest_find_node_by_name(struct kunit *test) KUNIT_EXPECT_EQ_MSG(test, options, NULL, "option clearing test failed\n"); of_node_put(np); +} + +static void of_test_find_node_by_name_option_clearing_root(struct kunit *test) +{ + struct device_node *np; + const char *options;
options = "testoption"; np = of_find_node_opts_by_path("/", &options); @@ -131,64 +226,147 @@ static void of_unittest_find_node_by_name(struct kunit *test) of_node_put(np); }
-static void of_unittest_dynamic(struct kunit *test) +static int of_test_find_node_by_name_init(struct kunit *test) { + /* adding data for unittest */ + KUNIT_ASSERT_EQ(test, 0, unittest_data_add()); + + if (!of_aliases) + of_aliases = of_find_node_by_path("/aliases"); + + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, of_find_node_by_path( + "/testcase-data/phandle-tests/consumer-a")); + + return 0; +} + +static struct kunit_case of_test_find_node_by_name_cases[] = { + KUNIT_CASE(of_test_find_node_by_name_basic), + KUNIT_CASE(of_test_find_node_by_name_trailing_slash), + KUNIT_CASE(of_test_find_node_by_name_multiple_components), + KUNIT_CASE(of_test_find_node_by_name_with_alias), + KUNIT_CASE(of_test_find_node_by_name_with_alias_and_slash), + KUNIT_CASE(of_test_find_node_by_name_multiple_components_2), + KUNIT_CASE(of_test_find_node_by_name_missing_path), + KUNIT_CASE(of_test_find_node_by_name_missing_alias), + KUNIT_CASE(of_test_find_node_by_name_missing_alias_with_relative_path), + KUNIT_CASE(of_test_find_node_by_name_with_option), + KUNIT_CASE(of_test_find_node_by_name_with_option_and_slash), + KUNIT_CASE(of_test_find_node_by_name_with_null_option), + KUNIT_CASE(of_test_find_node_by_name_with_option_alias), + KUNIT_CASE(of_test_find_node_by_name_with_option_alias_and_slash), + KUNIT_CASE(of_test_find_node_by_name_with_null_option_alias), + KUNIT_CASE(of_test_find_node_by_name_option_clearing), + KUNIT_CASE(of_test_find_node_by_name_option_clearing_root), + {}, +}; + +static struct kunit_module of_test_find_node_by_name_module = { + .name = "of-test-find-node-by-name", + .init = of_test_find_node_by_name_init, + .test_cases = of_test_find_node_by_name_cases, +}; +module_test(of_test_find_node_by_name_module); + +struct of_test_dynamic_context { struct device_node *np; - struct property *prop; + struct property *prop0; + struct property *prop1; +};
- np = of_find_node_by_path("/testcase-data"); - KUNIT_ASSERT_NOT_ERR_OR_NULL(test, np); +static void of_test_dynamic_basic(struct kunit *test) +{ + struct of_test_dynamic_context *ctx = test->priv; + struct device_node *np = ctx->np; + struct property *prop0 = ctx->prop0;
- /* Array of 4 properties for the purpose of testing */ - prop = kcalloc(4, sizeof(*prop), GFP_KERNEL); - KUNIT_ASSERT_NOT_ERR_OR_NULL(test, prop); + /* Add a new property - should pass*/ + prop0->name = "new-property"; + prop0->value = "new-property-data"; + prop0->length = strlen(prop0->value) + 1; + KUNIT_EXPECT_EQ_MSG(test, of_add_property(np, prop0), 0, + "Adding a new property failed\n"); + + /* Test that we can remove a property */ + KUNIT_EXPECT_EQ(test, of_remove_property(np, prop0), 0); +} + +static void of_test_dynamic_add_existing_property(struct kunit *test) +{ + struct of_test_dynamic_context *ctx = test->priv; + struct device_node *np = ctx->np; + struct property *prop0 = ctx->prop0, *prop1 = ctx->prop1;
/* Add a new property - should pass*/ - prop->name = "new-property"; - prop->value = "new-property-data"; - prop->length = strlen(prop->value) + 1; - KUNIT_EXPECT_EQ_MSG(test, of_add_property(np, prop), 0, + prop0->name = "new-property"; + prop0->value = "new-property-data"; + prop0->length = strlen(prop0->value) + 1; + KUNIT_EXPECT_EQ_MSG(test, of_add_property(np, prop0), 0, "Adding a new property failed\n");
/* Try to add an existing property - should fail */ - prop++; - prop->name = "new-property"; - prop->value = "new-property-data-should-fail"; - prop->length = strlen(prop->value) + 1; - KUNIT_EXPECT_NE_MSG(test, of_add_property(np, prop), 0, + prop1->name = "new-property"; + prop1->value = "new-property-data-should-fail"; + prop1->length = strlen(prop1->value) + 1; + KUNIT_EXPECT_NE_MSG(test, of_add_property(np, prop1), 0, "Adding an existing property should have failed\n"); +} + +static void of_test_dynamic_modify_existing_property(struct kunit *test) +{ + struct of_test_dynamic_context *ctx = test->priv; + struct device_node *np = ctx->np; + struct property *prop0 = ctx->prop0, *prop1 = ctx->prop1; + + /* Add a new property - should pass*/ + prop0->name = "new-property"; + prop0->value = "new-property-data"; + prop0->length = strlen(prop0->value) + 1; + KUNIT_EXPECT_EQ_MSG(test, of_add_property(np, prop0), 0, + "Adding a new property failed\n");
/* Try to modify an existing property - should pass */ - prop->value = "modify-property-data-should-pass"; - prop->length = strlen(prop->value) + 1; - KUNIT_EXPECT_EQ_MSG(test, of_update_property(np, prop), 0, + prop1->name = "new-property"; + prop1->value = "modify-property-data-should-pass"; + prop1->length = strlen(prop1->value) + 1; + KUNIT_EXPECT_EQ_MSG(test, of_update_property(np, prop1), 0, "Updating an existing property should have passed\n"); +} + +static void of_test_dynamic_modify_non_existent_property(struct kunit *test) +{ + struct of_test_dynamic_context *ctx = test->priv; + struct device_node *np = ctx->np; + struct property *prop0 = ctx->prop0;
/* Try to modify non-existent property - should pass*/ - prop++; - prop->name = "modify-property"; - prop->value = "modify-missing-property-data-should-pass"; - prop->length = strlen(prop->value) + 1; - KUNIT_EXPECT_EQ_MSG(test, of_update_property(np, prop), 0, + prop0->name = "modify-property"; + prop0->value = "modify-missing-property-data-should-pass"; + prop0->length = strlen(prop0->value) + 1; + KUNIT_EXPECT_EQ_MSG(test, of_update_property(np, prop0), 0, "Updating a missing property should have passed\n"); +}
- /* Remove property - should pass */ - KUNIT_EXPECT_EQ_MSG(test, of_remove_property(np, prop), 0, - "Removing a property should have passed\n"); +static void of_test_dynamic_large_property(struct kunit *test) +{ + struct of_test_dynamic_context *ctx = test->priv; + struct device_node *np = ctx->np; + struct property *prop0 = ctx->prop0;
/* Adding very large property - should pass */ - prop++; - prop->name = "large-property-PAGE_SIZEx8"; - prop->length = PAGE_SIZE * 8; - prop->value = kzalloc(prop->length, GFP_KERNEL); - KUNIT_ASSERT_NOT_ERR_OR_NULL(test, prop->value); - KUNIT_EXPECT_EQ_MSG(test, of_add_property(np, prop), 0, + prop0->name = "large-property-PAGE_SIZEx8"; + prop0->length = PAGE_SIZE * 8; + prop0->value = kunit_kzalloc(test, prop0->length, GFP_KERNEL); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, prop0->value); + + KUNIT_EXPECT_EQ_MSG(test, of_add_property(np, prop0), 0, "Adding a large property should have passed\n"); }
-static int of_test_init(struct kunit *test) +static int of_test_dynamic_init(struct kunit *test) { - /* adding data for unittest */ + struct of_test_dynamic_context *ctx; + KUNIT_ASSERT_EQ(test, 0, unittest_data_add());
if (!of_aliases) @@ -197,18 +375,45 @@ static int of_test_init(struct kunit *test) KUNIT_ASSERT_NOT_ERR_OR_NULL(test, of_find_node_by_path( "/testcase-data/phandle-tests/consumer-a"));
+ ctx = kunit_kzalloc(test, sizeof(*ctx), GFP_KERNEL); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ctx); + test->priv = ctx; + + ctx->np = of_find_node_by_path("/testcase-data"); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ctx->np); + + ctx->prop0 = kunit_kzalloc(test, sizeof(*ctx->prop0), GFP_KERNEL); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ctx->prop0); + + ctx->prop1 = kunit_kzalloc(test, sizeof(*ctx->prop1), GFP_KERNEL); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ctx->prop1); + return 0; }
-static struct kunit_case of_test_cases[] = { - KUNIT_CASE(of_unittest_find_node_by_name), - KUNIT_CASE(of_unittest_dynamic), +static void of_test_dynamic_exit(struct kunit *test) +{ + struct of_test_dynamic_context *ctx = test->priv; + struct device_node *np = ctx->np; + + of_remove_property(np, ctx->prop0); + of_remove_property(np, ctx->prop1); + of_node_put(np); +} + +static struct kunit_case of_test_dynamic_cases[] = { + KUNIT_CASE(of_test_dynamic_basic), + KUNIT_CASE(of_test_dynamic_add_existing_property), + KUNIT_CASE(of_test_dynamic_modify_existing_property), + KUNIT_CASE(of_test_dynamic_modify_non_existent_property), + KUNIT_CASE(of_test_dynamic_large_property), {}, };
-static struct kunit_module of_test_module = { - .name = "of-base-test", - .init = of_test_init, - .test_cases = of_test_cases, +static struct kunit_module of_test_dynamic_module = { + .name = "of-dynamic-test", + .init = of_test_dynamic_init, + .exit = of_test_dynamic_exit, + .test_cases = of_test_dynamic_cases, }; -module_test(of_test_module); +module_test(of_test_dynamic_module);