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-# assertions
---
- import "github.com/smartystreets/assertions"
-
-Package assertions contains the implementations for all assertions which are
-referenced in goconvey's `convey` package
-(github.com/smartystreets/goconvey/convey) and gunit
-(github.com/smartystreets/gunit) for use with the So(...) method. They can also
-be used in traditional Go test functions and even in applications.
-
-https://smartystreets.com
-
-Many of the assertions lean heavily on work done by Aaron Jacobs in his
-excellent oglematchers library. (https://github.com/jacobsa/oglematchers) The
-ShouldResemble assertion leans heavily on work done by Daniel Jacques in his
-very helpful go-render library. (https://github.com/luci/go-render)
-
-## Usage
-
-#### func GoConveyMode
-
-```go
-func GoConveyMode(yes bool)
-```
-GoConveyMode provides control over JSON serialization of failures. When using
-the assertions in this package from the convey package JSON results are very
-helpful and can be rendered in a DIFF view. In that case, this function will be
-called with a true value to enable the JSON serialization. By default, the
-assertions in this package will not serializer a JSON result, making standalone
-usage more convenient.
-
-#### func ShouldAlmostEqual
-
-```go
-func ShouldAlmostEqual(actual interface{}, expected ...interface{}) string
-```
-ShouldAlmostEqual makes sure that two parameters are close enough to being
-equal. The acceptable delta may be specified with a third argument, or a very
-small default delta will be used.
-
-#### func ShouldBeBetween
-
-```go
-func ShouldBeBetween(actual interface{}, expected ...interface{}) string
-```
-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 ShouldBeBetweenOrEqual
-
-```go
-func ShouldBeBetweenOrEqual(actual interface{}, expected ...interface{}) string
-```
-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 ShouldBeBlank
-
-```go
-func ShouldBeBlank(actual interface{}, expected ...interface{}) string
-```
-ShouldBeBlank receives exactly 1 string parameter and ensures that it is equal
-to "".
-
-#### func ShouldBeChronological
-
-```go
-func ShouldBeChronological(actual interface{}, expected ...interface{}) string
-```
-ShouldBeChronological receives a []time.Time slice and asserts that the are in
-chronological order starting with the first time.Time as the earliest.
-
-#### func ShouldBeEmpty
-
-```go
-func ShouldBeEmpty(actual interface{}, expected ...interface{}) string
-```
-ShouldBeEmpty receives a single parameter (actual) and determines whether or not
-calling len(actual) would return `0`. It obeys the rules specified by the len
-function for determining length: http://golang.org/pkg/builtin/#len
-
-#### func ShouldBeError
-
-```go
-func ShouldBeError(actual interface{}, expected ...interface{}) string
-```
-ShouldBeError asserts that the first argument implements the error interface. It
-also compares the first argument against the second argument if provided (which
-must be an error message string or another error value).
-
-#### func ShouldBeFalse
-
-```go
-func ShouldBeFalse(actual interface{}, expected ...interface{}) string
-```
-ShouldBeFalse receives a single parameter and ensures that it is false.
-
-#### func ShouldBeGreaterThan
-
-```go
-func ShouldBeGreaterThan(actual interface{}, expected ...interface{}) string
-```
-ShouldBeGreaterThan receives exactly two parameters and ensures that the first
-is greater than the second.
-
-#### func ShouldBeGreaterThanOrEqualTo
-
-```go
-func ShouldBeGreaterThanOrEqualTo(actual interface{}, expected ...interface{}) string
-```
-ShouldBeGreaterThanOrEqualTo receives exactly two parameters and ensures that
-the first is greater than or equal to the second.
-
-#### func ShouldBeIn
-
-```go
-func ShouldBeIn(actual interface{}, expected ...interface{}) string
-```
-ShouldBeIn receives at least 2 parameters. The first is a proposed member of the
-collection that is passed in either as the second parameter, or of the
-collection that is comprised of all the remaining parameters. This assertion
-ensures that the proposed member is in the collection (using ShouldEqual).
-
-#### func ShouldBeLessThan
-
-```go
-func ShouldBeLessThan(actual interface{}, expected ...interface{}) string
-```
-ShouldBeLessThan receives exactly two parameters and ensures that the first is
-less than the second.
-
-#### func ShouldBeLessThanOrEqualTo
-
-```go
-func ShouldBeLessThanOrEqualTo(actual interface{}, expected ...interface{}) string
-```
-ShouldBeLessThan receives exactly two parameters and ensures that the first is
-less than or equal to the second.
-
-#### func ShouldBeNil
-
-```go
-func ShouldBeNil(actual interface{}, expected ...interface{}) string
-```
-ShouldBeNil receives a single parameter and ensures that it is nil.
-
-#### func ShouldBeTrue
-
-```go
-func ShouldBeTrue(actual interface{}, expected ...interface{}) string
-```
-ShouldBeTrue receives a single parameter and ensures that it is true.
-
-#### func ShouldBeZeroValue
-
-```go
-func ShouldBeZeroValue(actual interface{}, expected ...interface{}) string
-```
-ShouldBeZeroValue receives a single parameter and ensures that it is the Go
-equivalent of the default value, or "zero" value.
-
-#### func ShouldContain
-
-```go
-func ShouldContain(actual interface{}, expected ...interface{}) string
-```
-ShouldContain receives exactly two parameters. The first is a slice and the
-second is a proposed member. Membership is determined using ShouldEqual.
-
-#### func ShouldContainKey
-
-```go
-func ShouldContainKey(actual interface{}, expected ...interface{}) string
-```
-ShouldContainKey receives exactly two parameters. The first is a map and the
-second is a proposed key. Keys are compared with a simple '=='.
-
-#### func ShouldContainSubstring
-
-```go
-func ShouldContainSubstring(actual interface{}, expected ...interface{}) string
-```
-ShouldContainSubstring receives exactly 2 string parameters and ensures that the
-first contains the second as a substring.
-
-#### func ShouldEndWith
-
-```go
-func ShouldEndWith(actual interface{}, expected ...interface{}) string
-```
-ShouldEndWith receives exactly 2 string parameters and ensures that the first
-ends with the second.
-
-#### func ShouldEqual
-
-```go
-func ShouldEqual(actual interface{}, expected ...interface{}) string
-```
-ShouldEqual receives exactly two parameters and does an equality check using the
-following semantics: 1. If the expected and actual values implement an Equal
-method in the form `func (this T) Equal(that T) bool` then call the method. If
-true, they are equal. 2. The expected and actual values are judged equal or not
-by oglematchers.Equals.
-
-#### func ShouldEqualJSON
-
-```go
-func ShouldEqualJSON(actual interface{}, expected ...interface{}) string
-```
-ShouldEqualJSON receives exactly two parameters and does an equality check by
-marshalling to JSON
-
-#### func ShouldEqualTrimSpace
-
-```go
-func ShouldEqualTrimSpace(actual interface{}, expected ...interface{}) string
-```
-ShouldEqualTrimSpace receives exactly 2 string parameters and ensures that the
-first is equal to the second after removing all leading and trailing whitespace
-using strings.TrimSpace(first).
-
-#### func ShouldEqualWithout
-
-```go
-func ShouldEqualWithout(actual interface{}, expected ...interface{}) string
-```
-ShouldEqualWithout receives exactly 3 string parameters and ensures that the
-first is equal to the second after removing all instances of the third from the
-first using strings.Replace(first, third, "", -1).
-
-#### func ShouldHappenAfter
-
-```go
-func ShouldHappenAfter(actual interface{}, expected ...interface{}) string
-```
-ShouldHappenAfter receives exactly 2 time.Time arguments and asserts that the
-first happens after the second.
-
-#### func ShouldHappenBefore
-
-```go
-func ShouldHappenBefore(actual interface{}, expected ...interface{}) string
-```
-ShouldHappenBefore receives exactly 2 time.Time arguments and asserts that the
-first happens before the second.
-
-#### func ShouldHappenBetween
-
-```go
-func ShouldHappenBetween(actual interface{}, expected ...interface{}) string
-```
-ShouldHappenBetween receives exactly 3 time.Time arguments and asserts that the
-first happens between (not on) the second and third.
-
-#### func ShouldHappenOnOrAfter
-
-```go
-func ShouldHappenOnOrAfter(actual interface{}, expected ...interface{}) string
-```
-ShouldHappenOnOrAfter receives exactly 2 time.Time arguments and asserts that
-the first happens on or after the second.
-
-#### func ShouldHappenOnOrBefore
-
-```go
-func ShouldHappenOnOrBefore(actual interface{}, expected ...interface{}) string
-```
-ShouldHappenOnOrBefore receives exactly 2 time.Time arguments and asserts that
-the first happens on or before the second.
-
-#### func ShouldHappenOnOrBetween
-
-```go
-func ShouldHappenOnOrBetween(actual interface{}, expected ...interface{}) string
-```
-ShouldHappenOnOrBetween receives exactly 3 time.Time arguments and asserts that
-the first happens between or on the second and third.
-
-#### func ShouldHappenWithin
-
-```go
-func ShouldHappenWithin(actual interface{}, expected ...interface{}) string
-```
-ShouldHappenWithin receives a time.Time, a time.Duration, and a time.Time (3
-arguments) and asserts that the first time.Time happens within or on the
-duration specified relative to the other time.Time.
-
-#### func ShouldHaveLength
-
-```go
-func ShouldHaveLength(actual interface{}, expected ...interface{}) string
-```
-ShouldHaveLength receives 2 parameters. The first is a collection to check the
-length of, the second being the expected length. It obeys the rules specified by
-the len function for determining length: http://golang.org/pkg/builtin/#len
-
-#### func ShouldHaveSameTypeAs
-
-```go
-func ShouldHaveSameTypeAs(actual interface{}, expected ...interface{}) string
-```
-ShouldHaveSameTypeAs receives exactly two parameters and compares their
-underlying types for equality.
-
-#### func ShouldImplement
-
-```go
-func ShouldImplement(actual interface{}, expectedList ...interface{}) string
-```
-ShouldImplement receives exactly two parameters and ensures that the first
-implements the interface type of the second.
-
-#### func ShouldNotAlmostEqual
-
-```go
-func ShouldNotAlmostEqual(actual interface{}, expected ...interface{}) string
-```
-ShouldNotAlmostEqual is the inverse of ShouldAlmostEqual
-
-#### func ShouldNotBeBetween
-
-```go
-func ShouldNotBeBetween(actual interface{}, expected ...interface{}) string
-```
-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 ShouldNotBeBetweenOrEqual
-
-```go
-func ShouldNotBeBetweenOrEqual(actual interface{}, expected ...interface{}) string
-```
-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 ShouldNotBeBlank
-
-```go
-func ShouldNotBeBlank(actual interface{}, expected ...interface{}) string
-```
-ShouldNotBeBlank receives exactly 1 string parameter and ensures that it is
-equal to "".
-
-#### func ShouldNotBeEmpty
-
-```go
-func ShouldNotBeEmpty(actual interface{}, expected ...interface{}) string
-```
-ShouldNotBeEmpty receives a single parameter (actual) and determines whether or
-not calling len(actual) would return a value greater than zero. It obeys the
-rules specified by the `len` function for determining length:
-http://golang.org/pkg/builtin/#len
-
-#### func ShouldNotBeIn
-
-```go
-func ShouldNotBeIn(actual interface{}, expected ...interface{}) string
-```
-ShouldNotBeIn receives at least 2 parameters. The first is a proposed member of
-the collection that is passed in either as the second parameter, or of the
-collection that is comprised of all the remaining parameters. This assertion
-ensures that the proposed member is NOT in the collection (using ShouldEqual).
-
-#### func ShouldNotBeNil
-
-```go
-func ShouldNotBeNil(actual interface{}, expected ...interface{}) string
-```
-ShouldNotBeNil receives a single parameter and ensures that it is not nil.
-
-#### func ShouldNotBeZeroValue
-
-```go
-func ShouldNotBeZeroValue(actual interface{}, expected ...interface{}) string
-```
-ShouldBeZeroValue receives a single parameter and ensures that it is NOT the Go
-equivalent of the default value, or "zero" value.
-
-#### func ShouldNotContain
-
-```go
-func ShouldNotContain(actual interface{}, expected ...interface{}) string
-```
-ShouldNotContain receives exactly two parameters. The first is a slice and the
-second is a proposed member. Membership is determinied using ShouldEqual.
-
-#### func ShouldNotContainKey
-
-```go
-func ShouldNotContainKey(actual interface{}, expected ...interface{}) string
-```
-ShouldNotContainKey receives exactly two parameters. The first is a map and the
-second is a proposed absent key. Keys are compared with a simple '=='.
-
-#### func ShouldNotContainSubstring
-
-```go
-func ShouldNotContainSubstring(actual interface{}, expected ...interface{}) string
-```
-ShouldNotContainSubstring receives exactly 2 string parameters and ensures that
-the first does NOT contain the second as a substring.
-
-#### func ShouldNotEndWith
-
-```go
-func ShouldNotEndWith(actual interface{}, expected ...interface{}) string
-```
-ShouldEndWith receives exactly 2 string parameters and ensures that the first
-does not end with the second.
-
-#### func ShouldNotEqual
-
-```go
-func ShouldNotEqual(actual interface{}, expected ...interface{}) string
-```
-ShouldNotEqual receives exactly two parameters and does an inequality check. See
-ShouldEqual for details on how equality is determined.
-
-#### func ShouldNotHappenOnOrBetween
-
-```go
-func ShouldNotHappenOnOrBetween(actual interface{}, expected ...interface{}) string
-```
-ShouldNotHappenOnOrBetween receives exactly 3 time.Time arguments and asserts
-that the first does NOT happen between or on the second or third.
-
-#### func ShouldNotHappenWithin
-
-```go
-func ShouldNotHappenWithin(actual interface{}, expected ...interface{}) string
-```
-ShouldNotHappenWithin receives a time.Time, a time.Duration, and a time.Time (3
-arguments) and asserts that the first time.Time does NOT happen within or on the
-duration specified relative to the other time.Time.
-
-#### func ShouldNotHaveSameTypeAs
-
-```go
-func ShouldNotHaveSameTypeAs(actual interface{}, expected ...interface{}) string
-```
-ShouldNotHaveSameTypeAs receives exactly two parameters and compares their
-underlying types for inequality.
-
-#### func ShouldNotImplement
-
-```go
-func ShouldNotImplement(actual interface{}, expectedList ...interface{}) string
-```
-ShouldNotImplement receives exactly two parameters and ensures that the first
-does NOT implement the interface type of the second.
-
-#### func ShouldNotPanic
-
-```go
-func ShouldNotPanic(actual interface{}, expected ...interface{}) (message string)
-```
-ShouldNotPanic receives a void, niladic function and expects to execute the
-function without any panic.
-
-#### func ShouldNotPanicWith
-
-```go
-func ShouldNotPanicWith(actual interface{}, expected ...interface{}) (message string)
-```
-ShouldNotPanicWith receives a void, niladic function and expects to recover a
-panic whose content differs from the second argument.
-
-#### func ShouldNotPointTo
-
-```go
-func ShouldNotPointTo(actual interface{}, expected ...interface{}) string
-```
-ShouldNotPointTo receives exactly two parameters and checks to see that they
-point to different addresess.
-
-#### func ShouldNotResemble
-
-```go
-func ShouldNotResemble(actual interface{}, expected ...interface{}) string
-```
-ShouldNotResemble receives exactly two parameters and does an inverse deep equal
-check (see reflect.DeepEqual)
-
-#### func ShouldNotStartWith
-
-```go
-func ShouldNotStartWith(actual interface{}, expected ...interface{}) string
-```
-ShouldNotStartWith receives exactly 2 string parameters and ensures that the
-first does not start with the second.
-
-#### func ShouldPanic
-
-```go
-func ShouldPanic(actual interface{}, expected ...interface{}) (message string)
-```
-ShouldPanic receives a void, niladic function and expects to recover a panic.
-
-#### func ShouldPanicWith
-
-```go
-func ShouldPanicWith(actual interface{}, expected ...interface{}) (message string)
-```
-ShouldPanicWith receives a void, niladic function and expects to recover a panic
-with the second argument as the content.
-
-#### func ShouldPointTo
-
-```go
-func ShouldPointTo(actual interface{}, expected ...interface{}) string
-```
-ShouldPointTo receives exactly two parameters and checks to see that they point
-to the same address.
-
-#### func ShouldResemble
-
-```go
-func ShouldResemble(actual interface{}, expected ...interface{}) string
-```
-ShouldResemble receives exactly two parameters and does a deep equal check (see
-reflect.DeepEqual)
-
-#### func ShouldStartWith
-
-```go
-func ShouldStartWith(actual interface{}, expected ...interface{}) string
-```
-ShouldStartWith receives exactly 2 string parameters and ensures that the first
-starts with the second.
-
-#### func So
-
-```go
-func So(actual interface{}, assert assertion, expected ...interface{}) (bool, string)
-```
-So is a convenience function (as opposed to an inconvenience function?) for
-running assertions on arbitrary arguments in any context, be it for testing or
-even application logging. It allows you to perform assertion-like behavior (and
-get nicely formatted messages detailing discrepancies) but without the program
-blowing up or panicking. All that is required is to import this package and call
-`So` with one of the assertions exported by this package as the second
-parameter. The first return parameter is a boolean indicating if the assertion
-was true. The second return parameter is the well-formatted message showing why
-an assertion was incorrect, or blank if the assertion was correct.
-
-Example:
-
- if ok, message := So(x, ShouldBeGreaterThan, y); !ok {
- log.Println(message)
- }
-
-For an alternative implementation of So (that provides more flexible return
-options) see the `So` function in the package at
-github.com/smartystreets/assertions/assert.
-
-#### type Assertion
-
-```go
-type Assertion struct {
-}
-```
-
-
-#### func New
-
-```go
-func New(t testingT) *Assertion
-```
-New swallows the *testing.T struct and prints failed assertions using t.Error.
-Example: assertions.New(t).So(1, should.Equal, 1)
-
-#### func (*Assertion) Failed
-
-```go
-func (this *Assertion) Failed() bool
-```
-Failed reports whether any calls to So (on this Assertion instance) have failed.
-
-#### func (*Assertion) So
-
-```go
-func (this *Assertion) So(actual interface{}, assert assertion, expected ...interface{}) bool
-```
-So calls the standalone So function and additionally, calls t.Error in failure
-scenarios.
-
-#### type FailureView
-
-```go
-type FailureView struct {
- Message string `json:"Message"`
- Expected string `json:"Expected"`
- Actual string `json:"Actual"`
-}
-```
-
-This struct is also declared in
-github.com/smartystreets/goconvey/convey/reporting. The json struct tags should
-be equal in both declarations.
-
-#### type Serializer
-
-```go
-type Serializer interface {
- // contains filtered or unexported methods
-}
-```