357 lines
13 KiB
C
357 lines
13 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* Assertion and expectation serialization API.
|
|
*
|
|
* Copyright (C) 2019, Google LLC.
|
|
* Author: Brendan Higgins <brendanhiggins@google.com>
|
|
*/
|
|
|
|
#ifndef _KUNIT_ASSERT_H
|
|
#define _KUNIT_ASSERT_H
|
|
|
|
#include <kunit/string-stream.h>
|
|
#include <linux/err.h>
|
|
|
|
struct kunit;
|
|
|
|
/**
|
|
* enum kunit_assert_type - Type of expectation/assertion.
|
|
* @KUNIT_ASSERTION: Used to denote that a kunit_assert represents an assertion.
|
|
* @KUNIT_EXPECTATION: Denotes that a kunit_assert represents an expectation.
|
|
*
|
|
* Used in conjunction with a &struct kunit_assert to denote whether it
|
|
* represents an expectation or an assertion.
|
|
*/
|
|
enum kunit_assert_type {
|
|
KUNIT_ASSERTION,
|
|
KUNIT_EXPECTATION,
|
|
};
|
|
|
|
/**
|
|
* struct kunit_assert - Data for printing a failed assertion or expectation.
|
|
* @test: the test case this expectation/assertion is associated with.
|
|
* @type: the type (either an expectation or an assertion) of this kunit_assert.
|
|
* @line: the source code line number that the expectation/assertion is at.
|
|
* @file: the file path of the source file that the expectation/assertion is in.
|
|
* @message: an optional message to provide additional context.
|
|
* @format: a function which formats the data in this kunit_assert to a string.
|
|
*
|
|
* Represents a failed expectation/assertion. Contains all the data necessary to
|
|
* format a string to a user reporting the failure.
|
|
*/
|
|
struct kunit_assert {
|
|
struct kunit *test;
|
|
enum kunit_assert_type type;
|
|
int line;
|
|
const char *file;
|
|
struct va_format message;
|
|
void (*format)(const struct kunit_assert *assert,
|
|
struct string_stream *stream);
|
|
};
|
|
|
|
/**
|
|
* KUNIT_INIT_VA_FMT_NULL - Default initializer for struct va_format.
|
|
*
|
|
* Used inside a struct initialization block to initialize struct va_format to
|
|
* default values where fmt and va are null.
|
|
*/
|
|
#define KUNIT_INIT_VA_FMT_NULL { .fmt = NULL, .va = NULL }
|
|
|
|
/**
|
|
* KUNIT_INIT_ASSERT_STRUCT() - Initializer for a &struct kunit_assert.
|
|
* @kunit: The test case that this expectation/assertion is associated with.
|
|
* @assert_type: The type (assertion or expectation) of this kunit_assert.
|
|
* @fmt: The formatting function which builds a string out of this kunit_assert.
|
|
*
|
|
* The base initializer for a &struct kunit_assert.
|
|
*/
|
|
#define KUNIT_INIT_ASSERT_STRUCT(kunit, assert_type, fmt) { \
|
|
.test = kunit, \
|
|
.type = assert_type, \
|
|
.file = __FILE__, \
|
|
.line = __LINE__, \
|
|
.message = KUNIT_INIT_VA_FMT_NULL, \
|
|
.format = fmt \
|
|
}
|
|
|
|
void kunit_base_assert_format(const struct kunit_assert *assert,
|
|
struct string_stream *stream);
|
|
|
|
void kunit_assert_print_msg(const struct kunit_assert *assert,
|
|
struct string_stream *stream);
|
|
|
|
/**
|
|
* struct kunit_fail_assert - Represents a plain fail expectation/assertion.
|
|
* @assert: The parent of this type.
|
|
*
|
|
* Represents a simple KUNIT_FAIL/KUNIT_ASSERT_FAILURE that always fails.
|
|
*/
|
|
struct kunit_fail_assert {
|
|
struct kunit_assert assert;
|
|
};
|
|
|
|
void kunit_fail_assert_format(const struct kunit_assert *assert,
|
|
struct string_stream *stream);
|
|
|
|
/**
|
|
* KUNIT_INIT_FAIL_ASSERT_STRUCT() - Initializer for &struct kunit_fail_assert.
|
|
* @test: The test case that this expectation/assertion is associated with.
|
|
* @type: The type (assertion or expectation) of this kunit_assert.
|
|
*
|
|
* Initializes a &struct kunit_fail_assert. Intended to be used in
|
|
* KUNIT_EXPECT_* and KUNIT_ASSERT_* macros.
|
|
*/
|
|
#define KUNIT_INIT_FAIL_ASSERT_STRUCT(test, type) { \
|
|
.assert = KUNIT_INIT_ASSERT_STRUCT(test, \
|
|
type, \
|
|
kunit_fail_assert_format) \
|
|
}
|
|
|
|
/**
|
|
* struct kunit_unary_assert - Represents a KUNIT_{EXPECT|ASSERT}_{TRUE|FALSE}
|
|
* @assert: The parent of this type.
|
|
* @condition: A string representation of a conditional expression.
|
|
* @expected_true: True if of type KUNIT_{EXPECT|ASSERT}_TRUE, false otherwise.
|
|
*
|
|
* Represents a simple expectation or assertion that simply asserts something is
|
|
* true or false. In other words, represents the expectations:
|
|
* KUNIT_{EXPECT|ASSERT}_{TRUE|FALSE}
|
|
*/
|
|
struct kunit_unary_assert {
|
|
struct kunit_assert assert;
|
|
const char *condition;
|
|
bool expected_true;
|
|
};
|
|
|
|
void kunit_unary_assert_format(const struct kunit_assert *assert,
|
|
struct string_stream *stream);
|
|
|
|
/**
|
|
* KUNIT_INIT_UNARY_ASSERT_STRUCT() - Initializes &struct kunit_unary_assert.
|
|
* @test: The test case that this expectation/assertion is associated with.
|
|
* @type: The type (assertion or expectation) of this kunit_assert.
|
|
* @cond: A string representation of the expression asserted true or false.
|
|
* @expect_true: True if of type KUNIT_{EXPECT|ASSERT}_TRUE, false otherwise.
|
|
*
|
|
* Initializes a &struct kunit_unary_assert. Intended to be used in
|
|
* KUNIT_EXPECT_* and KUNIT_ASSERT_* macros.
|
|
*/
|
|
#define KUNIT_INIT_UNARY_ASSERT_STRUCT(test, type, cond, expect_true) { \
|
|
.assert = KUNIT_INIT_ASSERT_STRUCT(test, \
|
|
type, \
|
|
kunit_unary_assert_format), \
|
|
.condition = cond, \
|
|
.expected_true = expect_true \
|
|
}
|
|
|
|
/**
|
|
* struct kunit_ptr_not_err_assert - An expectation/assertion that a pointer is
|
|
* not NULL and not a -errno.
|
|
* @assert: The parent of this type.
|
|
* @text: A string representation of the expression passed to the expectation.
|
|
* @value: The actual evaluated pointer value of the expression.
|
|
*
|
|
* Represents an expectation/assertion that a pointer is not null and is does
|
|
* not contain a -errno. (See IS_ERR_OR_NULL().)
|
|
*/
|
|
struct kunit_ptr_not_err_assert {
|
|
struct kunit_assert assert;
|
|
const char *text;
|
|
const void *value;
|
|
};
|
|
|
|
void kunit_ptr_not_err_assert_format(const struct kunit_assert *assert,
|
|
struct string_stream *stream);
|
|
|
|
/**
|
|
* KUNIT_INIT_PTR_NOT_ERR_ASSERT_STRUCT() - Initializes a
|
|
* &struct kunit_ptr_not_err_assert.
|
|
* @test: The test case that this expectation/assertion is associated with.
|
|
* @type: The type (assertion or expectation) of this kunit_assert.
|
|
* @txt: A string representation of the expression passed to the expectation.
|
|
* @val: The actual evaluated pointer value of the expression.
|
|
*
|
|
* Initializes a &struct kunit_ptr_not_err_assert. Intended to be used in
|
|
* KUNIT_EXPECT_* and KUNIT_ASSERT_* macros.
|
|
*/
|
|
#define KUNIT_INIT_PTR_NOT_ERR_STRUCT(test, type, txt, val) { \
|
|
.assert = KUNIT_INIT_ASSERT_STRUCT(test, \
|
|
type, \
|
|
kunit_ptr_not_err_assert_format), \
|
|
.text = txt, \
|
|
.value = val \
|
|
}
|
|
|
|
/**
|
|
* struct kunit_binary_assert - An expectation/assertion that compares two
|
|
* non-pointer values (for example, KUNIT_EXPECT_EQ(test, 1 + 1, 2)).
|
|
* @assert: The parent of this type.
|
|
* @operation: A string representation of the comparison operator (e.g. "==").
|
|
* @left_text: A string representation of the expression in the left slot.
|
|
* @left_value: The actual evaluated value of the expression in the left slot.
|
|
* @right_text: A string representation of the expression in the right slot.
|
|
* @right_value: The actual evaluated value of the expression in the right slot.
|
|
*
|
|
* Represents an expectation/assertion that compares two non-pointer values. For
|
|
* example, to expect that 1 + 1 == 2, you can use the expectation
|
|
* KUNIT_EXPECT_EQ(test, 1 + 1, 2);
|
|
*/
|
|
struct kunit_binary_assert {
|
|
struct kunit_assert assert;
|
|
const char *operation;
|
|
const char *left_text;
|
|
long long left_value;
|
|
const char *right_text;
|
|
long long right_value;
|
|
};
|
|
|
|
void kunit_binary_assert_format(const struct kunit_assert *assert,
|
|
struct string_stream *stream);
|
|
|
|
/**
|
|
* KUNIT_INIT_BINARY_ASSERT_STRUCT() - Initializes a
|
|
* &struct kunit_binary_assert.
|
|
* @test: The test case that this expectation/assertion is associated with.
|
|
* @type: The type (assertion or expectation) of this kunit_assert.
|
|
* @op_str: A string representation of the comparison operator (e.g. "==").
|
|
* @left_str: A string representation of the expression in the left slot.
|
|
* @left_val: The actual evaluated value of the expression in the left slot.
|
|
* @right_str: A string representation of the expression in the right slot.
|
|
* @right_val: The actual evaluated value of the expression in the right slot.
|
|
*
|
|
* Initializes a &struct kunit_binary_assert. Intended to be used in
|
|
* KUNIT_EXPECT_* and KUNIT_ASSERT_* macros.
|
|
*/
|
|
#define KUNIT_INIT_BINARY_ASSERT_STRUCT(test, \
|
|
type, \
|
|
op_str, \
|
|
left_str, \
|
|
left_val, \
|
|
right_str, \
|
|
right_val) { \
|
|
.assert = KUNIT_INIT_ASSERT_STRUCT(test, \
|
|
type, \
|
|
kunit_binary_assert_format), \
|
|
.operation = op_str, \
|
|
.left_text = left_str, \
|
|
.left_value = left_val, \
|
|
.right_text = right_str, \
|
|
.right_value = right_val \
|
|
}
|
|
|
|
/**
|
|
* struct kunit_binary_ptr_assert - An expectation/assertion that compares two
|
|
* pointer values (for example, KUNIT_EXPECT_PTR_EQ(test, foo, bar)).
|
|
* @assert: The parent of this type.
|
|
* @operation: A string representation of the comparison operator (e.g. "==").
|
|
* @left_text: A string representation of the expression in the left slot.
|
|
* @left_value: The actual evaluated value of the expression in the left slot.
|
|
* @right_text: A string representation of the expression in the right slot.
|
|
* @right_value: The actual evaluated value of the expression in the right slot.
|
|
*
|
|
* Represents an expectation/assertion that compares two pointer values. For
|
|
* example, to expect that foo and bar point to the same thing, you can use the
|
|
* expectation KUNIT_EXPECT_PTR_EQ(test, foo, bar);
|
|
*/
|
|
struct kunit_binary_ptr_assert {
|
|
struct kunit_assert assert;
|
|
const char *operation;
|
|
const char *left_text;
|
|
const void *left_value;
|
|
const char *right_text;
|
|
const void *right_value;
|
|
};
|
|
|
|
void kunit_binary_ptr_assert_format(const struct kunit_assert *assert,
|
|
struct string_stream *stream);
|
|
|
|
/**
|
|
* KUNIT_INIT_BINARY_PTR_ASSERT_STRUCT() - Initializes a
|
|
* &struct kunit_binary_ptr_assert.
|
|
* @test: The test case that this expectation/assertion is associated with.
|
|
* @type: The type (assertion or expectation) of this kunit_assert.
|
|
* @op_str: A string representation of the comparison operator (e.g. "==").
|
|
* @left_str: A string representation of the expression in the left slot.
|
|
* @left_val: The actual evaluated value of the expression in the left slot.
|
|
* @right_str: A string representation of the expression in the right slot.
|
|
* @right_val: The actual evaluated value of the expression in the right slot.
|
|
*
|
|
* Initializes a &struct kunit_binary_ptr_assert. Intended to be used in
|
|
* KUNIT_EXPECT_* and KUNIT_ASSERT_* macros.
|
|
*/
|
|
#define KUNIT_INIT_BINARY_PTR_ASSERT_STRUCT(test, \
|
|
type, \
|
|
op_str, \
|
|
left_str, \
|
|
left_val, \
|
|
right_str, \
|
|
right_val) { \
|
|
.assert = KUNIT_INIT_ASSERT_STRUCT(test, \
|
|
type, \
|
|
kunit_binary_ptr_assert_format), \
|
|
.operation = op_str, \
|
|
.left_text = left_str, \
|
|
.left_value = left_val, \
|
|
.right_text = right_str, \
|
|
.right_value = right_val \
|
|
}
|
|
|
|
/**
|
|
* struct kunit_binary_str_assert - An expectation/assertion that compares two
|
|
* string values (for example, KUNIT_EXPECT_STREQ(test, foo, "bar")).
|
|
* @assert: The parent of this type.
|
|
* @operation: A string representation of the comparison operator (e.g. "==").
|
|
* @left_text: A string representation of the expression in the left slot.
|
|
* @left_value: The actual evaluated value of the expression in the left slot.
|
|
* @right_text: A string representation of the expression in the right slot.
|
|
* @right_value: The actual evaluated value of the expression in the right slot.
|
|
*
|
|
* Represents an expectation/assertion that compares two string values. For
|
|
* example, to expect that the string in foo is equal to "bar", you can use the
|
|
* expectation KUNIT_EXPECT_STREQ(test, foo, "bar");
|
|
*/
|
|
struct kunit_binary_str_assert {
|
|
struct kunit_assert assert;
|
|
const char *operation;
|
|
const char *left_text;
|
|
const char *left_value;
|
|
const char *right_text;
|
|
const char *right_value;
|
|
};
|
|
|
|
void kunit_binary_str_assert_format(const struct kunit_assert *assert,
|
|
struct string_stream *stream);
|
|
|
|
/**
|
|
* KUNIT_INIT_BINARY_STR_ASSERT_STRUCT() - Initializes a
|
|
* &struct kunit_binary_str_assert.
|
|
* @test: The test case that this expectation/assertion is associated with.
|
|
* @type: The type (assertion or expectation) of this kunit_assert.
|
|
* @op_str: A string representation of the comparison operator (e.g. "==").
|
|
* @left_str: A string representation of the expression in the left slot.
|
|
* @left_val: The actual evaluated value of the expression in the left slot.
|
|
* @right_str: A string representation of the expression in the right slot.
|
|
* @right_val: The actual evaluated value of the expression in the right slot.
|
|
*
|
|
* Initializes a &struct kunit_binary_str_assert. Intended to be used in
|
|
* KUNIT_EXPECT_* and KUNIT_ASSERT_* macros.
|
|
*/
|
|
#define KUNIT_INIT_BINARY_STR_ASSERT_STRUCT(test, \
|
|
type, \
|
|
op_str, \
|
|
left_str, \
|
|
left_val, \
|
|
right_str, \
|
|
right_val) { \
|
|
.assert = KUNIT_INIT_ASSERT_STRUCT(test, \
|
|
type, \
|
|
kunit_binary_str_assert_format), \
|
|
.operation = op_str, \
|
|
.left_text = left_str, \
|
|
.left_value = left_val, \
|
|
.right_text = right_str, \
|
|
.right_value = right_val \
|
|
}
|
|
|
|
#endif /* _KUNIT_ASSERT_H */
|