ml
147 lines
4.8 KiB
Go
147 lines
4.8 KiB
Go
package resource_test
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import (
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"testing"
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"github.com/stretchr/testify/require"
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"github.com/inkyblackness/hacked/ss1/resource"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/suite"
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)
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type StoreSuite struct {
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suite.Suite
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store resource.Store
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resourceCounter int
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}
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func TestStoreSuite(t *testing.T) {
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suite.Run(t, new(StoreSuite))
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}
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func (suite *StoreSuite) SetupTest() {
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suite.store = resource.Store{}
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}
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func (suite *StoreSuite) TestNewInstanceIsEmpty() {
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suite.whenInstanceIsCreated()
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suite.thenIDsShouldBeEmpty()
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}
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func (suite *StoreSuite) TestResourceReturnsErrorForUnknownResource() {
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suite.whenInstanceIsCreated()
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suite.thenViewShouldReturnErrorFor(resource.ID(10))
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}
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func (suite *StoreSuite) TestDelWillHaveStoreIgnorePreviousEntry() {
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suite.givenAnInstance()
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suite.givenStoredResource(resource.ID(1), suite.aResource())
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suite.givenStoredResource(resource.ID(2), suite.aResource())
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suite.whenResourceIsDeleted(resource.ID(2))
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suite.thenIDsShouldBe([]resource.ID{resource.ID(1)})
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suite.thenViewShouldReturnErrorFor(resource.ID(2))
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}
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func (suite *StoreSuite) TestDelWillHaveStoreReportFewerIDs() {
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suite.givenAnInstance()
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suite.givenStoredResource(resource.ID(1), suite.aResource())
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suite.givenStoredResource(resource.ID(2), suite.aResource())
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suite.givenStoredResource(resource.ID(3), suite.aResource())
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suite.givenStoredResource(resource.ID(4), suite.aResource())
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suite.whenResourceIsDeleted(resource.ID(2))
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suite.thenIDsShouldBe([]resource.ID{resource.ID(1), resource.ID(3), resource.ID(4)})
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}
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func (suite *StoreSuite) TestPutOverridesPreviousResources() {
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suite.givenAnInstance()
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suite.givenStoredResource(resource.ID(2), suite.aResource())
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suite.givenStoredResource(resource.ID(1), suite.aResource())
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newRes := suite.aResource()
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suite.whenResourceIsPut(resource.ID(2), newRes)
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suite.thenIDsShouldBe([]resource.ID{resource.ID(2), resource.ID(1)})
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suite.thenReturnedViewShouldBe(resource.ID(2), newRes)
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}
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func (suite *StoreSuite) TestDelWillHaveStoreIgnoreResourceEvenIfPutMultipleTimes() {
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suite.givenAnInstance()
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suite.givenStoredResource(resource.ID(1), suite.aResource())
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suite.givenStoredResource(resource.ID(2), suite.aResource())
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suite.givenStoredResource(resource.ID(2), suite.aResource())
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suite.whenResourceIsDeleted(resource.ID(2))
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suite.thenIDsShouldBe([]resource.ID{resource.ID(1)})
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suite.thenViewShouldReturnErrorFor(resource.ID(2))
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}
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func (suite *StoreSuite) TestPutAddsNewResourcesAtEnd() {
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suite.givenAnInstance()
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suite.givenStoredResource(resource.ID(2), suite.aResource())
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suite.givenStoredResource(resource.ID(1), suite.aResource())
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newRes := suite.aResource()
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suite.whenResourceIsPut(resource.ID(3), newRes)
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suite.thenIDsShouldBe([]resource.ID{resource.ID(2), resource.ID(1), resource.ID(3)})
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suite.thenReturnedViewShouldBe(resource.ID(3), newRes)
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}
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func (suite *StoreSuite) TestPutRestoresIDAtOldPosition() {
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suite.givenAnInstance()
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suite.givenStoredResource(resource.ID(2), suite.aResource())
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suite.givenStoredResource(resource.ID(1), suite.aResource())
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suite.givenResourceWasDeleted(resource.ID(2))
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newRes := suite.aResource()
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suite.whenResourceIsPut(resource.ID(2), newRes)
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suite.thenIDsShouldBe([]resource.ID{resource.ID(2), resource.ID(1)})
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}
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func (suite *StoreSuite) givenAnInstance() {
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suite.whenInstanceIsCreated()
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}
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func (suite *StoreSuite) givenStoredResource(id resource.ID, res *resource.Resource) {
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err := suite.store.Put(id, res)
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require.Nil(suite.T(), err, "No error expected storing resource")
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}
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func (suite *StoreSuite) givenResourceWasDeleted(id resource.ID) {
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suite.whenResourceIsDeleted(id)
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}
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func (suite *StoreSuite) whenInstanceIsCreated() {
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suite.store = resource.Store{}
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}
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func (suite *StoreSuite) whenResourceIsDeleted(id resource.ID) {
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suite.store.Del(id)
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}
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func (suite *StoreSuite) whenResourceIsPut(id resource.ID, res *resource.Resource) {
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err := suite.store.Put(id, res)
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require.Nil(suite.T(), err, "No error expected putting resource")
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}
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func (suite *StoreSuite) thenIDsShouldBeEmpty() {
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assert.Equal(suite.T(), 0, len(suite.store.IDs()))
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}
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func (suite *StoreSuite) thenIDsShouldBe(expected []resource.ID) {
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assert.Equal(suite.T(), expected, suite.store.IDs())
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}
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func (suite *StoreSuite) thenReturnedViewShouldBe(id resource.ID, expected *resource.Resource) {
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res, err := suite.store.View(id)
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assert.Nil(suite.T(), err, "No error expected for ID %v", id)
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assert.Equal(suite.T(), expected, res, "Different res returned for ID %v", id)
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}
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func (suite *StoreSuite) thenViewShouldReturnErrorFor(id resource.ID) {
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_, err := suite.store.View(id)
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assert.Error(suite.T(), err, "Error expected for ID %v ", id) // nolint: vet
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}
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func (suite *StoreSuite) aResource() *resource.Resource {
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suite.resourceCounter++
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return &resource.Resource{Blocks: resource.BlocksFrom([][]byte{{byte(suite.resourceCounter)}})}
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}
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