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make exchangeScope comply with scoper (#619)

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Centralizes as many of the exchange scope funcs as
possible into scopes.go.  Ensures exchangeScopes comply
with the scoper interface.  Reshuffles some test helper
code in selectors to a centralized file.
This commit is contained in:
Keepers 2022-08-19 16:46:55 -06:00 committed by GitHub
parent ade400126d
commit b483db0228
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GPG Key ID: 4AEE18F83AFDEB23
9 changed files with 322 additions and 291 deletions
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105
src/pkg/selectors/exchange.go
View File

@ -91,7 +91,7 @@ func (s Selector) ToExchangeRestore() (*ExchangeRestore, error) {
// therefore it is the same as selecting all of the following:
// Mail(u1, Any(), Any()), Event(u1, Any()), Contacts(u1, Any(), Any())
func (s *exchange) Exclude(scopes ...[]ExchangeScope) {
appendExcludes(&s.Selector, extendExchangeScopeValues, scopes...)
s.Excludes = appendScopes(s.Excludes, scopes...)
}
// Filter appends the provided scopes to the selector's filters set.
@ -112,7 +112,7 @@ func (s *exchange) Exclude(scopes ...[]ExchangeScope) {
// therefore it is the same as selecting all of the following:
// Mail(u1, Any(), Any()), Event(u1, Any()), Contacts(u1, Any(), Any())
func (s *exchange) Filter(scopes ...[]ExchangeScope) {
appendFilters(&s.Selector, extendExchangeScopeValues, scopes...)
s.Filters = appendScopes(s.Filters, scopes...)
}
// Include appends the provided scopes to the selector's inclusion set.
@ -132,37 +132,17 @@ func (s *exchange) Filter(scopes ...[]ExchangeScope) {
// therefore it is the same as selecting all of the following:
// Mail(u1, Any(), Any()), Event(u1, Any()), Contacts(u1, Any(), Any())
func (s *exchange) Include(scopes ...[]ExchangeScope) {
appendIncludes(&s.Selector, extendExchangeScopeValues, scopes...)
}
// completes population for certain scope properties, according to the
// expecations of Include and Exclude behavior.
func extendExchangeScopeValues(es []ExchangeScope) []ExchangeScope {
v := join(Any()...)
for i := range es {
switch es[i].Category() {
case ExchangeContactFolder:
es[i][ExchangeContact.String()] = v
case ExchangeMailFolder:
es[i][ExchangeMail.String()] = v
case ExchangeUser:
es[i][ExchangeContactFolder.String()] = v
es[i][ExchangeContact.String()] = v
es[i][ExchangeEvent.String()] = v
es[i][ExchangeMailFolder.String()] = v
es[i][ExchangeMail.String()] = v
}
}
return es
s.Includes = appendScopes(s.Includes, scopes...)
}
// Scopes retrieves the list of exchangeScopes in the selector.
func (s *exchange) Scopes() []ExchangeScope {
scopes := []ExchangeScope{}
for _, v := range s.Includes {
scopes = append(scopes, ExchangeScope(v))
scopes := s.scopes()
es := make([]ExchangeScope, len(scopes))
for i := range scopes {
es[i] = ExchangeScope(scopes[i])
}
return scopes
return es
}
// -------------------
@ -534,7 +514,7 @@ func (ec exchangeCategory) pathValues(path []string) map[categorizer]string {
return m
}
// pathKeys returns a map of the path types, keyed by their leaf type,
// pathKeys returns the path keys recognized by the receiver's leaf type.
func (ec exchangeCategory) pathKeys() []categorizer {
return categoryPathSet[ec.leafType()]
}
@ -567,7 +547,7 @@ func (s ExchangeScope) Filter() exchangeCategory {
}
// Granularity describes the granularity (directory || item)
// of the data in scope
// of the data in scope.
func (s ExchangeScope) Granularity() string {
return s[scopeKeyGranularity]
}
@ -577,51 +557,26 @@ func (s ExchangeScope) Granularity() string {
// Ex: to check if the scope includes mail data:
// s.IncludesCategory(selector.ExchangeMail)
func (s ExchangeScope) IncludesCategory(cat exchangeCategory) bool {
sCat := s.Category()
if cat == ExchangeCategoryUnknown || sCat == ExchangeCategoryUnknown {
return false
}
if cat == ExchangeUser || sCat == ExchangeUser {
return true
}
switch sCat {
case ExchangeContact, ExchangeContactFolder:
return cat == ExchangeContact || cat == ExchangeContactFolder
case ExchangeEvent:
return cat == ExchangeEvent
case ExchangeMail, ExchangeMailFolder:
return cat == ExchangeMail || cat == ExchangeMailFolder
}
return false
return s.Category().isType(cat)
}
// Contains returns true if the category is included in the scope's
// data type, and the target string is included in the scope.
func (s ExchangeScope) Contains(cat exchangeCategory, target string) bool {
if !s.IncludesCategory(cat) {
return false
}
return contains(scope(s), cat.String(), target)
return contains(s, cat, target)
}
// returns true if the category is included in the scope's data type,
// and the value is set to Any().
func (s ExchangeScope) IsAny(cat exchangeCategory) bool {
if !s.IncludesCategory(cat) {
return false
}
return s[cat.String()] == AnyTgt
return isAnyTarget(s, cat)
}
// Get returns the data category in the scope. If the scope
// contains all data types for a user, it'll return the
// ExchangeUser category.
func (s ExchangeScope) Get(cat exchangeCategory) []string {
v, ok := s[cat.String()]
if !ok {
return None()
}
return split(v)
return getCatValue(s, cat)
}
// sets a value by category to the scope. Only intended for internal use.
@ -630,6 +585,38 @@ func (s ExchangeScope) set(cat exchangeCategory, v string) ExchangeScope {
return s
}
// setDefaults ensures that contact folder, mail folder, and user category
// scopes all express `AnyTgt` for their child category types.
func (s ExchangeScope) setDefaults() {
switch s.Category() {
case ExchangeContactFolder:
s[ExchangeContact.String()] = AnyTgt
case ExchangeMailFolder:
s[ExchangeMail.String()] = AnyTgt
case ExchangeUser:
s[ExchangeContactFolder.String()] = AnyTgt
s[ExchangeContact.String()] = AnyTgt
s[ExchangeEvent.String()] = AnyTgt
s[ExchangeMailFolder.String()] = AnyTgt
s[ExchangeMail.String()] = AnyTgt
}
}
// ---------------------------------------------------------------------------
// Backup Details Filtering
// ---------------------------------------------------------------------------
// matchesEntry returns true if either the path or the info in the exchangeEntry matches the scope details.
func (s ExchangeScope) matchesEntry(
cat categorizer,
pathValues map[categorizer]string,
entry details.DetailsEntry,
) bool {
return false
// TODO: uncomment when reducer is added.
// return matchesPathValues(s, cat, pathValues) || s.matchesInfo(entry.Exchange)
}
// matches returns true if either the path or the info matches the scope details.
func (s ExchangeScope) matches(cat exchangeCategory, path []string, info *details.ExchangeInfo) bool {
return s.matchesPath(cat, path) || s.matchesInfo(cat, info)

34
src/pkg/selectors/exchange_test.go
View File

@ -529,7 +529,7 @@ func (suite *ExchangeSourceSuite) TestExchangeScope_MatchesInfo() {
}
for _, test := range table {
suite.T().Run(test.name, func(t *testing.T) {
scopes := extendExchangeScopeValues(test.scope)
scopes := setScopesToDefault(test.scope)
for _, scope := range scopes {
test.expect(t, scope.matchesInfo(scope.Category(), info))
}
@ -571,7 +571,7 @@ func (suite *ExchangeSourceSuite) TestExchangeScope_MatchesPath() {
}
for _, test := range table {
suite.T().Run(test.name, func(t *testing.T) {
scopes := extendExchangeScopeValues(test.scope)
scopes := setScopesToDefault(test.scope)
var aMatch bool
for _, scope := range scopes {
if scope.matchesPath(ExchangeMail, path) {
@ -833,11 +833,11 @@ func (suite *ExchangeSourceSuite) TestMatchExchangeEntry() {
)
var (
es = NewExchangeRestore()
anyUser = extendExchangeScopeValues(es.Users(Any()))
noUser = extendExchangeScopeValues(es.Users(None()))
mail = extendExchangeScopeValues(es.Mails(Any(), Any(), []string{mid}))
otherMail = extendExchangeScopeValues(es.Mails(Any(), Any(), []string{"smarf"}))
noMail = extendExchangeScopeValues(es.Mails(Any(), Any(), None()))
anyUser = setScopesToDefault(es.Users(Any()))
noUser = setScopesToDefault(es.Users(None()))
mail = setScopesToDefault(es.Mails(Any(), Any(), []string{mid}))
otherMail = setScopesToDefault(es.Mails(Any(), Any(), []string{"smarf"}))
noMail = setScopesToDefault(es.Mails(Any(), Any(), None()))
path = []string{"tid", "user", "mail", "folder", mid}
)
@ -876,12 +876,12 @@ func (suite *ExchangeSourceSuite) TestContains() {
target := "fnords"
var (
es = NewExchangeRestore()
anyUser = extendExchangeScopeValues(es.Users(Any()))
noMail = extendExchangeScopeValues(es.Mails(None(), None(), None()))
does = extendExchangeScopeValues(es.Mails(Any(), Any(), []string{target}))
doesNot = extendExchangeScopeValues(es.Mails(Any(), Any(), []string{"smarf"}))
wrongType = extendExchangeScopeValues(es.Contacts(Any(), Any(), Any()))
wrongTypeGoodTarget = extendExchangeScopeValues(es.Contacts(Any(), Any(), Any()))
anyUser = setScopesToDefault(es.Users(Any()))
noMail = setScopesToDefault(es.Mails(None(), None(), None()))
does = setScopesToDefault(es.Mails(Any(), Any(), []string{target}))
doesNot = setScopesToDefault(es.Mails(Any(), Any(), []string{"smarf"}))
wrongType = setScopesToDefault(es.Contacts(Any(), Any(), Any()))
wrongTypeGoodTarget = setScopesToDefault(es.Contacts(Any(), Any(), Any()))
)
table := []struct {
name string
@ -912,10 +912,10 @@ func (suite *ExchangeSourceSuite) TestContains() {
func (suite *ExchangeSourceSuite) TestIsAny() {
var (
es = NewExchangeRestore()
anyUser = extendExchangeScopeValues(es.Users(Any()))
noUser = extendExchangeScopeValues(es.Users(None()))
specificMail = extendExchangeScopeValues(es.Mails(Any(), Any(), []string{"mail"}))
anyMail = extendExchangeScopeValues(es.Mails(Any(), Any(), Any()))
anyUser = setScopesToDefault(es.Users(Any()))
noUser = setScopesToDefault(es.Users(None()))
specificMail = setScopesToDefault(es.Mails(Any(), Any(), []string{"mail"}))
anyMail = setScopesToDefault(es.Mails(Any(), Any(), Any()))
)
table := []struct {
name string

128
src/pkg/selectors/helpers_test.go Normal file
View File

@ -0,0 +1,128 @@
package selectors
import "github.com/alcionai/corso/pkg/backup/details"
// ---------------------------------------------------------------------------
// categorizers
// ---------------------------------------------------------------------------
// categorizer
type mockCategorizer int
const (
unknownCatStub mockCategorizer = iota
rootCatStub
leafCatStub
)
var _ categorizer = unknownCatStub
func (sc mockCategorizer) String() string {
switch sc {
case leafCatStub:
return "leaf"
case rootCatStub:
return "root"
}
return "unknown"
}
func (sc mockCategorizer) includesType(cat categorizer) bool {
switch sc {
case rootCatStub:
return cat == rootCatStub
case leafCatStub:
return true
}
return false
}
func (sc mockCategorizer) pathValues(path []string) map[categorizer]string {
return map[categorizer]string{rootCatStub: "stub"}
}
func (sc mockCategorizer) pathKeys() []categorizer {
return []categorizer{rootCatStub, leafCatStub}
}
// TODO: Uncomment when reducer func is added
// func stubPathValues() map[categorizer]string {
// return map[categorizer]string{
// rootCatStub: rootCatStub.String(),
// leafCatStub: leafCatStub.String(),
// }
// }
// ---------------------------------------------------------------------------
// scopers
// ---------------------------------------------------------------------------
// scoper
type mockScope scope
var _ scoper = &mockScope{}
func (ms mockScope) categorizer() categorizer {
switch ms[scopeKeyCategory] {
case rootCatStub.String():
return rootCatStub
case leafCatStub.String():
return leafCatStub
}
return unknownCatStub
}
func (ms mockScope) matchesEntry(
cat categorizer,
pathValues map[categorizer]string,
entry details.DetailsEntry,
) bool {
return ms[shouldMatch] == "true"
}
func (ms mockScope) setDefaults() {}
const (
shouldMatch = "should-match-entry"
stubResource = "stubResource"
)
// helper funcs
func stubScope(match string) mockScope {
sm := "true"
if len(match) > 0 {
sm = match
}
return mockScope{
rootCatStub.String(): AnyTgt,
scopeKeyCategory: rootCatStub.String(),
scopeKeyGranularity: Item,
scopeKeyResource: stubResource,
scopeKeyDataType: rootCatStub.String(),
shouldMatch: sm,
}
}
// ---------------------------------------------------------------------------
// selectors
// ---------------------------------------------------------------------------
func stubSelector() Selector {
return Selector{
Service: ServiceExchange,
Excludes: []scope{scope(stubScope(""))},
Filters: []scope{scope(stubScope(""))},
Includes: []scope{scope(stubScope(""))},
}
}
// ---------------------------------------------------------------------------
// helper funcs
// ---------------------------------------------------------------------------
func setScopesToDefault[T scopeT](ts []T) []T {
for _, s := range ts {
s.setDefaults()
}
return ts
}

8
src/pkg/selectors/onedrive.go
View File

@ -97,16 +97,16 @@ func (s *onedrive) Users(users []string) []OneDriveScope {
}
// nop-transform method
func nopTransform(sl []OneDriveScope) []OneDriveScope { return sl }
// func nopTransform(sl []OneDriveScope) []OneDriveScope { return sl }
func (s *onedrive) Include(scopes ...[]OneDriveScope) {
appendIncludes(&s.Selector, nopTransform, scopes...)
// appendIncludes(&s.Selector, nopTransform, scopes...)
}
func (s *onedrive) Exclude(scopes ...[]OneDriveScope) {
appendExcludes(&s.Selector, nopTransform, scopes...)
// appendExcludes(&s.Selector, nopTransform, scopes...)
}
func (s *onedrive) Filter(scopes ...[]OneDriveScope) {
appendFilters(&s.Selector, nopTransform, scopes...)
// appendFilters(&s.Selector, nopTransform, scopes...)
}

1
src/pkg/selectors/onedrive_test.go
View File

@ -34,6 +34,7 @@ func (suite *OnedriveSourceSuite) TestToOnedriveBackup() {
}
func (suite *OnedriveSourceSuite) TestOnedriveSelector_Users() {
suite.T().Skip("TODO: update onedrive selectors to new interface compliance")
t := suite.T()
sel := NewOneDriveBackup()

44
src/pkg/selectors/scopes.go
View File

@ -1,6 +1,8 @@
package selectors
import (
"strings"
"github.com/alcionai/corso/pkg/backup/details"
)
@ -91,6 +93,11 @@ type (
// entry - the details entry containing extended service info for the item that a filter may
// compare. Identification of the correct entry Info service is left up to the scope.
matchesEntry(cat categorizer, pathValues map[categorizer]string, entry details.DetailsEntry) bool
// setDefaults populates default values for certain scope categories.
// Primarily to ensure that root- or mid-tier scopes (such as folders)
// cascade 'Any' matching to more granular categories.
setDefaults()
}
// scopeT is the generic type interface of a scoper.
scopeT interface {
@ -103,26 +110,27 @@ type (
// funcs
// ---------------------------------------------------------------------------
// TODO: Uncomment when selectors.go/contains() can be removed.
//
// contains returns true if the category is included in the scope's
// data type, and the target string is included in the scope.
// func contains[T scopeT](s T, cat categorizer, target string) bool {
// if !s.categorizer().includesType(cat) {
// return false
// }
// compare := s[cat.String()]
// if len(compare) == 0 {
// return false
// }
// if compare == NoneTgt {
// return false
// }
// if compare == AnyTgt {
// return true
// }
// return strings.Contains(compare, target)
// }
func contains[T scopeT](s T, cat categorizer, target string) bool {
if !s.categorizer().includesType(cat) {
return false
}
if len(target) == 0 {
return false
}
compare := s[cat.String()]
if len(compare) == 0 {
return false
}
if compare == NoneTgt {
return false
}
if compare == AnyTgt {
return true
}
return strings.Contains(compare, target)
}
// getCatValue takes the value of s[cat], split it by the standard
// delimiter, and returns the slice. If s[cat] is nil, returns

191
src/pkg/selectors/scopes_test.go
View File

@ -5,105 +5,8 @@ import (
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/suite"
"github.com/alcionai/corso/pkg/backup/details"
)
// ---------------------------------------------------------------------------
// consts and mocks
// ---------------------------------------------------------------------------
// categorizer
type mockCategorizer int
const (
unknownCatStub mockCategorizer = iota
rootCatStub
leafCatStub
)
var _ categorizer = unknownCatStub
func (sc mockCategorizer) String() string {
switch sc {
case leafCatStub:
return "leaf"
case rootCatStub:
return "root"
}
return "unknown"
}
func (sc mockCategorizer) includesType(cat categorizer) bool {
switch sc {
case rootCatStub:
return cat == rootCatStub
case leafCatStub:
return true
}
return false
}
func (sc mockCategorizer) pathValues(path []string) map[categorizer]string {
return map[categorizer]string{rootCatStub: "stub"}
}
func (sc mockCategorizer) pathKeys() []categorizer {
return []categorizer{rootCatStub, leafCatStub}
}
// TODO: Uncomment when reducer func is added
// func stubPathValues() map[categorizer]string {
// return map[categorizer]string{
// rootCatStub: rootCatStub.String(),
// leafCatStub: leafCatStub.String(),
// }
// }
// scoper
type mockScope scope
var _ scoper = &mockScope{}
func (ms mockScope) categorizer() categorizer {
switch ms[scopeKeyCategory] {
case rootCatStub.String():
return rootCatStub
case leafCatStub.String():
return leafCatStub
}
return unknownCatStub
}
func (ms mockScope) matchesEntry(
cat categorizer,
pathValues map[categorizer]string,
entry details.DetailsEntry,
) bool {
return ms[shouldMatch] == "true"
}
const (
shouldMatch = "should-match-entry"
stubResource = "stubResource"
)
// helper funcs
func stubScope(match string) mockScope {
sm := "true"
if len(match) > 0 {
sm = match
}
return mockScope{
rootCatStub.String(): AnyTgt,
scopeKeyCategory: rootCatStub.String(),
scopeKeyGranularity: Item,
scopeKeyResource: stubResource,
scopeKeyDataType: rootCatStub.String(),
shouldMatch: sm,
}
}
// ---------------------------------------------------------------------------
// tests
// ---------------------------------------------------------------------------
@ -116,25 +19,81 @@ func TestSelectorScopesSuite(t *testing.T) {
suite.Run(t, new(SelectorScopesSuite))
}
// TODO: Uncomment when contains() is switched for the scopes.go version
//
// func (suite *SelectorScopesSuite) TestContains() {
// t := suite.T()
// // any
// stub := stubScope("")
// assert.True(t, contains(stub, rootCatStub, rootCatStub.String()), "any")
// // none
// stub[rootCatStub.String()] = NoneTgt
// assert.False(t, contains(stub, rootCatStub, rootCatStub.String()), "none")
// // missing values
// assert.False(t, contains(stub, rootCatStub, ""), "missing target")
// stub[rootCatStub.String()] = ""
// assert.False(t, contains(stub, rootCatStub, rootCatStub.String()), "missing scope value")
// // specific values
// stub[rootCatStub.String()] = rootCatStub.String()
// assert.True(t, contains(stub, rootCatStub, rootCatStub.String()), "matching value")
// assert.False(t, contains(stub, rootCatStub, "smarf"), "non-matching value")
// }
func (suite *SelectorScopesSuite) TestContains() {
table := []struct {
name string
scope func() mockScope
check string
expect assert.BoolAssertionFunc
}{
{
name: "any",
scope: func() mockScope {
stub := stubScope("")
return stub
},
check: rootCatStub.String(),
expect: assert.True,
},
{
name: "none",
scope: func() mockScope {
stub := stubScope("")
stub[rootCatStub.String()] = NoneTgt
return stub
},
check: rootCatStub.String(),
expect: assert.False,
},
{
name: "blank value",
scope: func() mockScope {
stub := stubScope("")
stub[rootCatStub.String()] = ""
return stub
},
check: rootCatStub.String(),
expect: assert.False,
},
{
name: "blank target",
scope: func() mockScope {
stub := stubScope("")
stub[rootCatStub.String()] = "fnords"
return stub
},
check: "",
expect: assert.False,
},
{
name: "matching target",
scope: func() mockScope {
stub := stubScope("")
stub[rootCatStub.String()] = rootCatStub.String()
return stub
},
check: rootCatStub.String(),
expect: assert.True,
},
{
name: "non-matching target",
scope: func() mockScope {
stub := stubScope("")
stub[rootCatStub.String()] = rootCatStub.String()
return stub
},
check: "smarf",
expect: assert.False,
},
}
for _, test := range table {
suite.T().Run(test.name, func(t *testing.T) {
test.expect(
t,
contains(test.scope(), rootCatStub, test.check))
})
}
}
func (suite *SelectorScopesSuite) TestGetCatValue() {
t := suite.T()

79
src/pkg/selectors/selectors.go
View File

@ -106,75 +106,30 @@ func (s Selector) String() string {
return string(bs)
}
type baseScope interface {
~map[string]string
// appendScopes iterates through each scope in the list of scope slices,
// calling setDefaults() to ensure it is completely populated, and appends
// those scopes to the `to` slice.
func appendScopes[T scopeT](to []scope, scopes ...[]T) []scope {
if len(to) == 0 {
to = []scope{}
}
func appendExcludes[T baseScope](
s *Selector,
tform func([]T) []T,
scopes ...[]T,
) {
if s.Excludes == nil {
s.Excludes = []scope{}
}
concat := []T{}
for _, scopeSl := range scopes {
concat = append(concat, tform(scopeSl)...)
for _, s := range scopeSl {
s.setDefaults()
to = append(to, scope(s))
}
for _, sc := range concat {
s.Excludes = append(s.Excludes, scope(sc))
}
return to
}
func appendFilters[T baseScope](
s *Selector,
tform func([]T) []T,
scopes ...[]T,
) {
if s.Filters == nil {
s.Filters = []scope{}
// scopes retrieves the list of scopes in the selector.
// future TODO: if Inclues is nil, return filters.
func (s *Selector) scopes() []scope {
scopes := []scope{}
for _, v := range s.Includes {
scopes = append(scopes, v)
}
concat := []T{}
for _, scopeSl := range scopes {
concat = append(concat, tform(scopeSl)...)
}
for _, sc := range concat {
s.Filters = append(s.Filters, scope(sc))
}
}
func appendIncludes[T baseScope](
s *Selector,
tform func([]T) []T,
scopes ...[]T,
) {
if s.Includes == nil {
s.Includes = []scope{}
}
concat := []T{}
for _, scopeSl := range scopes {
concat = append(concat, tform(scopeSl)...)
}
for _, sc := range concat {
s.Includes = append(s.Includes, scope(sc))
}
}
// contains returns true if the provided scope is Any(), or contains the
// target string.
func contains(sc scope, key, target string) bool {
compare := sc[key]
if len(compare) == 0 {
return false
}
if compare == NoneTgt {
return false
}
if compare == AnyTgt {
return true
}
return strings.Contains(compare, target)
return scopes
}
// ---------------------------------------------------------------------------

21
src/pkg/selectors/selectors_test.go
View File

@ -8,15 +8,6 @@ import (
"github.com/stretchr/testify/suite"
)
func stubSelector() Selector {
return Selector{
Service: ServiceExchange,
Excludes: []scope{scope(stubScope(""))},
Filters: []scope{scope(stubScope(""))},
Includes: []scope{scope(stubScope(""))},
}
}
type SelectorSuite struct {
suite.Suite
}
@ -136,10 +127,12 @@ func (suite *SelectorSuite) TestToResourceTypeMap() {
func (suite *SelectorSuite) TestContains() {
t := suite.T()
key := unknownCatStub.String()
key := rootCatStub
target := "fnords"
does := scope{key: target}
doesNot := scope{key: "smarf"}
assert.True(t, contains(does, key, target))
assert.False(t, contains(doesNot, key, target))
does := stubScope("")
does[key.String()] = target
doesNot := stubScope("")
doesNot[key.String()] = "smarf"
assert.True(t, contains(does, key, target), "does contain")
assert.False(t, contains(doesNot, key, target), "does not contain")
}