git subrepo clone (merge) https://github.com/kubernetes-incubator/metrics-server.git metrics-server
subrepo:
subdir: "metrics-server"
merged: "92d8412"
upstream:
origin: "https://github.com/kubernetes-incubator/metrics-server.git"
branch: "master"
commit: "92d8412"
git-subrepo:
version: "0.4.0"
origin: "???"
commit: "???"
diff --git a/metrics-server/vendor/github.com/onsi/gomega/matchers.go b/metrics-server/vendor/github.com/onsi/gomega/matchers.go
new file mode 100644
index 0000000..761ec33
--- /dev/null
+++ b/metrics-server/vendor/github.com/onsi/gomega/matchers.go
@@ -0,0 +1,427 @@
+package gomega
+
+import (
+ "time"
+
+ "github.com/onsi/gomega/matchers"
+ "github.com/onsi/gomega/types"
+)
+
+//Equal uses reflect.DeepEqual to compare actual with expected. Equal is strict about
+//types when performing comparisons.
+//It is an error for both actual and expected to be nil. Use BeNil() instead.
+func Equal(expected interface{}) types.GomegaMatcher {
+ return &matchers.EqualMatcher{
+ Expected: expected,
+ }
+}
+
+//BeEquivalentTo is more lax than Equal, allowing equality between different types.
+//This is done by converting actual to have the type of expected before
+//attempting equality with reflect.DeepEqual.
+//It is an error for actual and expected to be nil. Use BeNil() instead.
+func BeEquivalentTo(expected interface{}) types.GomegaMatcher {
+ return &matchers.BeEquivalentToMatcher{
+ Expected: expected,
+ }
+}
+
+//BeIdenticalTo uses the == operator to compare actual with expected.
+//BeIdenticalTo is strict about types when performing comparisons.
+//It is an error for both actual and expected to be nil. Use BeNil() instead.
+func BeIdenticalTo(expected interface{}) types.GomegaMatcher {
+ return &matchers.BeIdenticalToMatcher{
+ Expected: expected,
+ }
+}
+
+//BeNil succeeds if actual is nil
+func BeNil() types.GomegaMatcher {
+ return &matchers.BeNilMatcher{}
+}
+
+//BeTrue succeeds if actual is true
+func BeTrue() types.GomegaMatcher {
+ return &matchers.BeTrueMatcher{}
+}
+
+//BeFalse succeeds if actual is false
+func BeFalse() types.GomegaMatcher {
+ return &matchers.BeFalseMatcher{}
+}
+
+//HaveOccurred succeeds if actual is a non-nil error
+//The typical Go error checking pattern looks like:
+// err := SomethingThatMightFail()
+// Expect(err).ShouldNot(HaveOccurred())
+func HaveOccurred() types.GomegaMatcher {
+ return &matchers.HaveOccurredMatcher{}
+}
+
+//Succeed passes if actual is a nil error
+//Succeed is intended to be used with functions that return a single error value. Instead of
+// err := SomethingThatMightFail()
+// Expect(err).ShouldNot(HaveOccurred())
+//
+//You can write:
+// Expect(SomethingThatMightFail()).Should(Succeed())
+//
+//It is a mistake to use Succeed with a function that has multiple return values. Gomega's Ω and Expect
+//functions automatically trigger failure if any return values after the first return value are non-zero/non-nil.
+//This means that Ω(MultiReturnFunc()).ShouldNot(Succeed()) can never pass.
+func Succeed() types.GomegaMatcher {
+ return &matchers.SucceedMatcher{}
+}
+
+//MatchError succeeds if actual is a non-nil error that matches the passed in string/error.
+//
+//These are valid use-cases:
+// Expect(err).Should(MatchError("an error")) //asserts that err.Error() == "an error"
+// Expect(err).Should(MatchError(SomeError)) //asserts that err == SomeError (via reflect.DeepEqual)
+//
+//It is an error for err to be nil or an object that does not implement the Error interface
+func MatchError(expected interface{}) types.GomegaMatcher {
+ return &matchers.MatchErrorMatcher{
+ Expected: expected,
+ }
+}
+
+//BeClosed succeeds if actual is a closed channel.
+//It is an error to pass a non-channel to BeClosed, it is also an error to pass nil
+//
+//In order to check whether or not the channel is closed, Gomega must try to read from the channel
+//(even in the `ShouldNot(BeClosed())` case). You should keep this in mind if you wish to make subsequent assertions about
+//values coming down the channel.
+//
+//Also, if you are testing that a *buffered* channel is closed you must first read all values out of the channel before
+//asserting that it is closed (it is not possible to detect that a buffered-channel has been closed until all its buffered values are read).
+//
+//Finally, as a corollary: it is an error to check whether or not a send-only channel is closed.
+func BeClosed() types.GomegaMatcher {
+ return &matchers.BeClosedMatcher{}
+}
+
+//Receive succeeds if there is a value to be received on actual.
+//Actual must be a channel (and cannot be a send-only channel) -- anything else is an error.
+//
+//Receive returns immediately and never blocks:
+//
+//- If there is nothing on the channel `c` then Expect(c).Should(Receive()) will fail and Ω(c).ShouldNot(Receive()) will pass.
+//
+//- If the channel `c` is closed then Expect(c).Should(Receive()) will fail and Ω(c).ShouldNot(Receive()) will pass.
+//
+//- If there is something on the channel `c` ready to be read, then Expect(c).Should(Receive()) will pass and Ω(c).ShouldNot(Receive()) will fail.
+//
+//If you have a go-routine running in the background that will write to channel `c` you can:
+// Eventually(c).Should(Receive())
+//
+//This will timeout if nothing gets sent to `c` (you can modify the timeout interval as you normally do with `Eventually`)
+//
+//A similar use-case is to assert that no go-routine writes to a channel (for a period of time). You can do this with `Consistently`:
+// Consistently(c).ShouldNot(Receive())
+//
+//You can pass `Receive` a matcher. If you do so, it will match the received object against the matcher. For example:
+// Expect(c).Should(Receive(Equal("foo")))
+//
+//When given a matcher, `Receive` will always fail if there is nothing to be received on the channel.
+//
+//Passing Receive a matcher is especially useful when paired with Eventually:
+//
+// Eventually(c).Should(Receive(ContainSubstring("bar")))
+//
+//will repeatedly attempt to pull values out of `c` until a value matching "bar" is received.
+//
+//Finally, if you want to have a reference to the value *sent* to the channel you can pass the `Receive` matcher a pointer to a variable of the appropriate type:
+// var myThing thing
+// Eventually(thingChan).Should(Receive(&myThing))
+// Expect(myThing.Sprocket).Should(Equal("foo"))
+// Expect(myThing.IsValid()).Should(BeTrue())
+func Receive(args ...interface{}) types.GomegaMatcher {
+ var arg interface{}
+ if len(args) > 0 {
+ arg = args[0]
+ }
+
+ return &matchers.ReceiveMatcher{
+ Arg: arg,
+ }
+}
+
+//BeSent succeeds if a value can be sent to actual.
+//Actual must be a channel (and cannot be a receive-only channel) that can sent the type of the value passed into BeSent -- anything else is an error.
+//In addition, actual must not be closed.
+//
+//BeSent never blocks:
+//
+//- If the channel `c` is not ready to receive then Expect(c).Should(BeSent("foo")) will fail immediately
+//- If the channel `c` is eventually ready to receive then Eventually(c).Should(BeSent("foo")) will succeed.. presuming the channel becomes ready to receive before Eventually's timeout
+//- If the channel `c` is closed then Expect(c).Should(BeSent("foo")) and Ω(c).ShouldNot(BeSent("foo")) will both fail immediately
+//
+//Of course, the value is actually sent to the channel. The point of `BeSent` is less to make an assertion about the availability of the channel (which is typically an implementation detail that your test should not be concerned with).
+//Rather, the point of `BeSent` is to make it possible to easily and expressively write tests that can timeout on blocked channel sends.
+func BeSent(arg interface{}) types.GomegaMatcher {
+ return &matchers.BeSentMatcher{
+ Arg: arg,
+ }
+}
+
+//MatchRegexp succeeds if actual is a string or stringer that matches the
+//passed-in regexp. Optional arguments can be provided to construct a regexp
+//via fmt.Sprintf().
+func MatchRegexp(regexp string, args ...interface{}) types.GomegaMatcher {
+ return &matchers.MatchRegexpMatcher{
+ Regexp: regexp,
+ Args: args,
+ }
+}
+
+//ContainSubstring succeeds if actual is a string or stringer that contains the
+//passed-in substring. Optional arguments can be provided to construct the substring
+//via fmt.Sprintf().
+func ContainSubstring(substr string, args ...interface{}) types.GomegaMatcher {
+ return &matchers.ContainSubstringMatcher{
+ Substr: substr,
+ Args: args,
+ }
+}
+
+//HavePrefix succeeds if actual is a string or stringer that contains the
+//passed-in string as a prefix. Optional arguments can be provided to construct
+//via fmt.Sprintf().
+func HavePrefix(prefix string, args ...interface{}) types.GomegaMatcher {
+ return &matchers.HavePrefixMatcher{
+ Prefix: prefix,
+ Args: args,
+ }
+}
+
+//HaveSuffix succeeds if actual is a string or stringer that contains the
+//passed-in string as a suffix. Optional arguments can be provided to construct
+//via fmt.Sprintf().
+func HaveSuffix(suffix string, args ...interface{}) types.GomegaMatcher {
+ return &matchers.HaveSuffixMatcher{
+ Suffix: suffix,
+ Args: args,
+ }
+}
+
+//MatchJSON succeeds if actual is a string or stringer of JSON that matches
+//the expected JSON. The JSONs are decoded and the resulting objects are compared via
+//reflect.DeepEqual so things like key-ordering and whitespace shouldn't matter.
+func MatchJSON(json interface{}) types.GomegaMatcher {
+ return &matchers.MatchJSONMatcher{
+ JSONToMatch: json,
+ }
+}
+
+//MatchXML succeeds if actual is a string or stringer of XML that matches
+//the expected XML. The XMLs are decoded and the resulting objects are compared via
+//reflect.DeepEqual so things like whitespaces shouldn't matter.
+func MatchXML(xml interface{}) types.GomegaMatcher {
+ return &matchers.MatchXMLMatcher{
+ XMLToMatch: xml,
+ }
+}
+
+//MatchYAML succeeds if actual is a string or stringer of YAML that matches
+//the expected YAML. The YAML's are decoded and the resulting objects are compared via
+//reflect.DeepEqual so things like key-ordering and whitespace shouldn't matter.
+func MatchYAML(yaml interface{}) types.GomegaMatcher {
+ return &matchers.MatchYAMLMatcher{
+ YAMLToMatch: yaml,
+ }
+}
+
+//BeEmpty succeeds if actual is empty. Actual must be of type string, array, map, chan, or slice.
+func BeEmpty() types.GomegaMatcher {
+ return &matchers.BeEmptyMatcher{}
+}
+
+//HaveLen succeeds if actual has the passed-in length. Actual must be of type string, array, map, chan, or slice.
+func HaveLen(count int) types.GomegaMatcher {
+ return &matchers.HaveLenMatcher{
+ Count: count,
+ }
+}
+
+//HaveCap succeeds if actual has the passed-in capacity. Actual must be of type array, chan, or slice.
+func HaveCap(count int) types.GomegaMatcher {
+ return &matchers.HaveCapMatcher{
+ Count: count,
+ }
+}
+
+//BeZero succeeds if actual is the zero value for its type or if actual is nil.
+func BeZero() types.GomegaMatcher {
+ return &matchers.BeZeroMatcher{}
+}
+
+//ContainElement succeeds if actual contains the passed in element.
+//By default ContainElement() uses Equal() to perform the match, however a
+//matcher can be passed in instead:
+// Expect([]string{"Foo", "FooBar"}).Should(ContainElement(ContainSubstring("Bar")))
+//
+//Actual must be an array, slice or map.
+//For maps, ContainElement searches through the map's values.
+func ContainElement(element interface{}) types.GomegaMatcher {
+ return &matchers.ContainElementMatcher{
+ Element: element,
+ }
+}
+
+//ConsistOf succeeds if actual contains precisely the elements passed into the matcher. The ordering of the elements does not matter.
+//By default ConsistOf() uses Equal() to match the elements, however custom matchers can be passed in instead. Here are some examples:
+//
+// Expect([]string{"Foo", "FooBar"}).Should(ConsistOf("FooBar", "Foo"))
+// Expect([]string{"Foo", "FooBar"}).Should(ConsistOf(ContainSubstring("Bar"), "Foo"))
+// Expect([]string{"Foo", "FooBar"}).Should(ConsistOf(ContainSubstring("Foo"), ContainSubstring("Foo")))
+//
+//Actual must be an array, slice or map. For maps, ConsistOf matches against the map's values.
+//
+//You typically pass variadic arguments to ConsistOf (as in the examples above). However, if you need to pass in a slice you can provided that it
+//is the only element passed in to ConsistOf:
+//
+// Expect([]string{"Foo", "FooBar"}).Should(ConsistOf([]string{"FooBar", "Foo"}))
+//
+//Note that Go's type system does not allow you to write this as ConsistOf([]string{"FooBar", "Foo"}...) as []string and []interface{} are different types - hence the need for this special rule.
+func ConsistOf(elements ...interface{}) types.GomegaMatcher {
+ return &matchers.ConsistOfMatcher{
+ Elements: elements,
+ }
+}
+
+//HaveKey succeeds if actual is a map with the passed in key.
+//By default HaveKey uses Equal() to perform the match, however a
+//matcher can be passed in instead:
+// Expect(map[string]string{"Foo": "Bar", "BazFoo": "Duck"}).Should(HaveKey(MatchRegexp(`.+Foo$`)))
+func HaveKey(key interface{}) types.GomegaMatcher {
+ return &matchers.HaveKeyMatcher{
+ Key: key,
+ }
+}
+
+//HaveKeyWithValue succeeds if actual is a map with the passed in key and value.
+//By default HaveKeyWithValue uses Equal() to perform the match, however a
+//matcher can be passed in instead:
+// Expect(map[string]string{"Foo": "Bar", "BazFoo": "Duck"}).Should(HaveKeyWithValue("Foo", "Bar"))
+// Expect(map[string]string{"Foo": "Bar", "BazFoo": "Duck"}).Should(HaveKeyWithValue(MatchRegexp(`.+Foo$`), "Bar"))
+func HaveKeyWithValue(key interface{}, value interface{}) types.GomegaMatcher {
+ return &matchers.HaveKeyWithValueMatcher{
+ Key: key,
+ Value: value,
+ }
+}
+
+//BeNumerically performs numerical assertions in a type-agnostic way.
+//Actual and expected should be numbers, though the specific type of
+//number is irrelevant (float32, float64, uint8, etc...).
+//
+//There are six, self-explanatory, supported comparators:
+// Expect(1.0).Should(BeNumerically("==", 1))
+// Expect(1.0).Should(BeNumerically("~", 0.999, 0.01))
+// Expect(1.0).Should(BeNumerically(">", 0.9))
+// Expect(1.0).Should(BeNumerically(">=", 1.0))
+// Expect(1.0).Should(BeNumerically("<", 3))
+// Expect(1.0).Should(BeNumerically("<=", 1.0))
+func BeNumerically(comparator string, compareTo ...interface{}) types.GomegaMatcher {
+ return &matchers.BeNumericallyMatcher{
+ Comparator: comparator,
+ CompareTo: compareTo,
+ }
+}
+
+//BeTemporally compares time.Time's like BeNumerically
+//Actual and expected must be time.Time. The comparators are the same as for BeNumerically
+// Expect(time.Now()).Should(BeTemporally(">", time.Time{}))
+// Expect(time.Now()).Should(BeTemporally("~", time.Now(), time.Second))
+func BeTemporally(comparator string, compareTo time.Time, threshold ...time.Duration) types.GomegaMatcher {
+ return &matchers.BeTemporallyMatcher{
+ Comparator: comparator,
+ CompareTo: compareTo,
+ Threshold: threshold,
+ }
+}
+
+//BeAssignableToTypeOf succeeds if actual is assignable to the type of expected.
+//It will return an error when one of the values is nil.
+// Expect(0).Should(BeAssignableToTypeOf(0)) // Same values
+// Expect(5).Should(BeAssignableToTypeOf(-1)) // different values same type
+// Expect("foo").Should(BeAssignableToTypeOf("bar")) // different values same type
+// Expect(struct{ Foo string }{}).Should(BeAssignableToTypeOf(struct{ Foo string }{}))
+func BeAssignableToTypeOf(expected interface{}) types.GomegaMatcher {
+ return &matchers.AssignableToTypeOfMatcher{
+ Expected: expected,
+ }
+}
+
+//Panic succeeds if actual is a function that, when invoked, panics.
+//Actual must be a function that takes no arguments and returns no results.
+func Panic() types.GomegaMatcher {
+ return &matchers.PanicMatcher{}
+}
+
+//BeAnExistingFile succeeds if a file exists.
+//Actual must be a string representing the abs path to the file being checked.
+func BeAnExistingFile() types.GomegaMatcher {
+ return &matchers.BeAnExistingFileMatcher{}
+}
+
+//BeARegularFile succeeds if a file exists and is a regular file.
+//Actual must be a string representing the abs path to the file being checked.
+func BeARegularFile() types.GomegaMatcher {
+ return &matchers.BeARegularFileMatcher{}
+}
+
+//BeADirectory succeeds if a file exists and is a directory.
+//Actual must be a string representing the abs path to the file being checked.
+func BeADirectory() types.GomegaMatcher {
+ return &matchers.BeADirectoryMatcher{}
+}
+
+//And succeeds only if all of the given matchers succeed.
+//The matchers are tried in order, and will fail-fast if one doesn't succeed.
+// Expect("hi").To(And(HaveLen(2), Equal("hi"))
+//
+//And(), Or(), Not() and WithTransform() allow matchers to be composed into complex expressions.
+func And(ms ...types.GomegaMatcher) types.GomegaMatcher {
+ return &matchers.AndMatcher{Matchers: ms}
+}
+
+//SatisfyAll is an alias for And().
+// Expect("hi").Should(SatisfyAll(HaveLen(2), Equal("hi")))
+func SatisfyAll(matchers ...types.GomegaMatcher) types.GomegaMatcher {
+ return And(matchers...)
+}
+
+//Or succeeds if any of the given matchers succeed.
+//The matchers are tried in order and will return immediately upon the first successful match.
+// Expect("hi").To(Or(HaveLen(3), HaveLen(2))
+//
+//And(), Or(), Not() and WithTransform() allow matchers to be composed into complex expressions.
+func Or(ms ...types.GomegaMatcher) types.GomegaMatcher {
+ return &matchers.OrMatcher{Matchers: ms}
+}
+
+//SatisfyAny is an alias for Or().
+// Expect("hi").SatisfyAny(Or(HaveLen(3), HaveLen(2))
+func SatisfyAny(matchers ...types.GomegaMatcher) types.GomegaMatcher {
+ return Or(matchers...)
+}
+
+//Not negates the given matcher; it succeeds if the given matcher fails.
+// Expect(1).To(Not(Equal(2))
+//
+//And(), Or(), Not() and WithTransform() allow matchers to be composed into complex expressions.
+func Not(matcher types.GomegaMatcher) types.GomegaMatcher {
+ return &matchers.NotMatcher{Matcher: matcher}
+}
+
+//WithTransform applies the `transform` to the actual value and matches it against `matcher`.
+//The given transform must be a function of one parameter that returns one value.
+// var plus1 = func(i int) int { return i + 1 }
+// Expect(1).To(WithTransform(plus1, Equal(2))
+//
+//And(), Or(), Not() and WithTransform() allow matchers to be composed into complex expressions.
+func WithTransform(transform interface{}, matcher types.GomegaMatcher) types.GomegaMatcher {
+ return matchers.NewWithTransformMatcher(transform, matcher)
+}