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// Copyright 2017 Huan Du. All rights reserved.
// Licensed under the MIT license that can be found in the LICENSE file.
// Package assert provides developer a way to assert expression and output useful contextual information automatically when a case fails.
// With this package, we can focus on writing test code without worrying about how to print lots of verbose debug information for debug.
//
// See project page for more samples.
// https://github.com/huandu/go-assert
package assert
import (
"testing"
"github.com/huandu/go-assert/internal/assertion"
)
// Assert tests expr and call `t.Fatalf` to terminate test case if expr is false-equivalent value.
// `false`, 0, nil and empty string are false-equivalent values.
//
// Sample code.
//
// import "github.com/huandu/go-assert"
//
// func TestSomething(t *testing.T) {
// a, b := 1, 2
// assert.Assert(t, a > b)
// }
//
// Output:
//
// Assertion failed:
// a > b
// Referenced variables are assigned in following statements:
// a, b := 1, 2
func Assert(t *testing.T, expr interface{}) {
assertion.Assert(t, expr, &assertion.Trigger{
FuncName: "Assert",
Skip: 1,
Args: []int{1},
})
}
// Equal uses `reflect.DeepEqual` to test v1 and v2 equality.
//
// Sample code.
//
// import "github.com/huandu/go-assert"
//
// func TestSomething(t *testing.T) {
// assert.Equal(t, []int{1,2}, []int{1})
// }
//
// Output:
//
// Assertion failed:
// assert.Equal(t, []int{1, 2}, []int{1})
// The value of following expression should equal.
// [1] []int{1, 2}
// [2] []int{1}
// Values:
// [1] -> ([]int)[1 2]
// [2] -> ([]int)[1]
func Equal(t *testing.T, v1, v2 interface{}) {
assertion.AssertEqual(t, v1, v2, &assertion.Trigger{
FuncName: "Equal",
Skip: 1,
Args: []int{1, 2},
})
}
// NotEqual uses `reflect.DeepEqual` to test v1 and v2 equality.
//
// Sample code.
//
// import "github.com/huandu/go-assert"
//
// func TestSomething(t *testing.T) {
// assert.NotEqual(t, []int{1}, []int{1})
// }
//
// Output:
//
// Assertion failed:
// assert.NotEqual(t, []int{1}, []int{1})
// The value of following expression should not equal.
// [1] []int{1}
// [2] []int{1}
func NotEqual(t *testing.T, v1, v2 interface{}) {
assertion.AssertNotEqual(t, v1, v2, &assertion.Trigger{
FuncName: "NotEqual",
Skip: 1,
Args: []int{1, 2},
})
}
// AssertEqual uses `reflect.DeepEqual` to test v1 and v2 equality.
//
// Note: as golint dislike the name of this function,
// it will be removed in the future. Use Equal instead.
//
// Sample code.
//
// import "github.com/huandu/go-assert"
//
// func TestSomething(t *testing.T) {
// assert.AssertEqual(t, []int{1,2}, []int{1})
// }
//
// Output:
//
// Assertion failed:
// assert.AssertEqual(t, []int{1, 2}, []int{1})
// The value of following expression should equal.
// [1] []int{1, 2}
// [2] []int{1}
// Values:
// [1] -> ([]int)[1 2]
// [2] -> ([]int)[1]
func AssertEqual(t *testing.T, v1, v2 interface{}) {
assertion.AssertEqual(t, v1, v2, &assertion.Trigger{
FuncName: "AssertEqual",
Skip: 1,
Args: []int{1, 2},
})
}
// AssertNotEqual uses `reflect.DeepEqual` to test v1 and v2 equality.
//
// Note: as golint dislike the name of this function,
// it will be removed in the future. Use NotEqual instead.
//
// Sample code.
//
// import "github.com/huandu/go-assert"
//
// func TestSomething(t *testing.T) {
// assert.AssertNotEqual(t, []int{1}, []int{1})
// }
//
// Output:
//
// Assertion failed:
// assert.AssertNotEqual(t, []int{1}, []int{1})
// The value of following expression should not equal.
// [1] []int{1}
// [2] []int{1}
func AssertNotEqual(t *testing.T, v1, v2 interface{}) {
assertion.AssertNotEqual(t, v1, v2, &assertion.Trigger{
FuncName: "AssertNotEqual",
Skip: 1,
Args: []int{1, 2},
})
}
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