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package assertions
import (
"fmt"
"github.com/smartystreets/assertions/internal/oglematchers"
)
// ShouldBeGreaterThan receives exactly two parameters and ensures that the first is greater than the second.
func ShouldBeGreaterThan(actual interface{}, expected ...interface{}) string {
if fail := need(1, expected); fail != success {
return fail
}
if matchError := oglematchers.GreaterThan(expected[0]).Matches(actual); matchError != nil {
return fmt.Sprintf(shouldHaveBeenGreater, actual, expected[0])
}
return success
}
// ShouldBeGreaterThanOrEqualTo receives exactly two parameters and ensures that the first is greater than or equal to the second.
func ShouldBeGreaterThanOrEqualTo(actual interface{}, expected ...interface{}) string {
if fail := need(1, expected); fail != success {
return fail
} else if matchError := oglematchers.GreaterOrEqual(expected[0]).Matches(actual); matchError != nil {
return fmt.Sprintf(shouldHaveBeenGreaterOrEqual, actual, expected[0])
}
return success
}
// ShouldBeLessThan receives exactly two parameters and ensures that the first is less than the second.
func ShouldBeLessThan(actual interface{}, expected ...interface{}) string {
if fail := need(1, expected); fail != success {
return fail
} else if matchError := oglematchers.LessThan(expected[0]).Matches(actual); matchError != nil {
return fmt.Sprintf(shouldHaveBeenLess, actual, expected[0])
}
return success
}
// ShouldBeLessThan receives exactly two parameters and ensures that the first is less than or equal to the second.
func ShouldBeLessThanOrEqualTo(actual interface{}, expected ...interface{}) string {
if fail := need(1, expected); fail != success {
return fail
} else if matchError := oglematchers.LessOrEqual(expected[0]).Matches(actual); matchError != nil {
return fmt.Sprintf(shouldHaveBeenLessOrEqual, actual, expected[0])
}
return success
}
// ShouldBeBetween receives exactly three parameters: an actual value, a lower bound, and an upper bound.
// It ensures that the actual value is between both bounds (but not equal to either of them).
func ShouldBeBetween(actual interface{}, expected ...interface{}) string {
if fail := need(2, expected); fail != success {
return fail
}
lower, upper, fail := deriveBounds(expected)
if fail != success {
return fail
} else if !isBetween(actual, lower, upper) {
return fmt.Sprintf(shouldHaveBeenBetween, actual, lower, upper)
}
return success
}
// ShouldNotBeBetween receives exactly three parameters: an actual value, a lower bound, and an upper bound.
// It ensures that the actual value is NOT between both bounds.
func ShouldNotBeBetween(actual interface{}, expected ...interface{}) string {
if fail := need(2, expected); fail != success {
return fail
}
lower, upper, fail := deriveBounds(expected)
if fail != success {
return fail
} else if isBetween(actual, lower, upper) {
return fmt.Sprintf(shouldNotHaveBeenBetween, actual, lower, upper)
}
return success
}
func deriveBounds(values []interface{}) (lower interface{}, upper interface{}, fail string) {
lower = values[0]
upper = values[1]
if ShouldNotEqual(lower, upper) != success {
return nil, nil, fmt.Sprintf(shouldHaveDifferentUpperAndLower, lower)
} else if ShouldBeLessThan(lower, upper) != success {
lower, upper = upper, lower
}
return lower, upper, success
}
func isBetween(value, lower, upper interface{}) bool {
if ShouldBeGreaterThan(value, lower) != success {
return false
} else if ShouldBeLessThan(value, upper) != success {
return false
}
return true
}
// ShouldBeBetweenOrEqual receives exactly three parameters: an actual value, a lower bound, and an upper bound.
// It ensures that the actual value is between both bounds or equal to one of them.
func ShouldBeBetweenOrEqual(actual interface{}, expected ...interface{}) string {
if fail := need(2, expected); fail != success {
return fail
}
lower, upper, fail := deriveBounds(expected)
if fail != success {
return fail
} else if !isBetweenOrEqual(actual, lower, upper) {
return fmt.Sprintf(shouldHaveBeenBetweenOrEqual, actual, lower, upper)
}
return success
}
// ShouldNotBeBetweenOrEqual receives exactly three parameters: an actual value, a lower bound, and an upper bound.
// It ensures that the actual value is nopt between the bounds nor equal to either of them.
func ShouldNotBeBetweenOrEqual(actual interface{}, expected ...interface{}) string {
if fail := need(2, expected); fail != success {
return fail
}
lower, upper, fail := deriveBounds(expected)
if fail != success {
return fail
} else if isBetweenOrEqual(actual, lower, upper) {
return fmt.Sprintf(shouldNotHaveBeenBetweenOrEqual, actual, lower, upper)
}
return success
}
func isBetweenOrEqual(value, lower, upper interface{}) bool {
if ShouldBeGreaterThanOrEqualTo(value, lower) != success {
return false
} else if ShouldBeLessThanOrEqualTo(value, upper) != success {
return false
}
return true
}
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