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February 22, 2023 09:23
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Transcription of Ginkgo example with subtests
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| package gingko_subtests_test | |
| import ( | |
| "testing" | |
| "github.com/stretchr/testify/assert" | |
| ) | |
| func TestCheckingBooksOutOfLibrary(t *testing.T) { | |
| t.Run("when the library has the book in question", func(t *t.Testing) { | |
| t.Run("if the book is available, it lends it to the reader", func(t *t.Testing) { | |
| assert.Nil(t, valjean.Checkout(ctx, library, "Les Miserables")) | |
| assert.Contains(t, valjean.Books(), book) | |
| assert.Equal(t, library.UserWithBook(ctx, book), valjean) | |
| }) | |
| t.Run("if the book has already been checked out, it tells the user", func(t *t.Testing) { | |
| err := valjean.Checkout(ctx, library, "Les Miserables") | |
| assert.Error(t, err) | |
| assert.Equal(t, "Les Miserables is currently checked out", err) | |
| }) | |
| t.Run("if the book has already been checked out, lets the user place a hold and get notified later", func(t *t.Testing) { | |
| assert.Nil(t, valjean.Hold(ctx, library, "Les Miserables")) | |
| assert.Contains(t, valjean.Holds(ctx), book) | |
| // when Javert returns the book | |
| assert.Nil(javert.Return(ctx, library, book)) | |
| // it eventually informs Valjean | |
| notification := "Les Miserables is ready for pick up" | |
| assert.Eventually(t, assert.Contains(t, valjean.Notifications, notification)) | |
| assert.Nil(t, valjean.Checkout(ctx, library, "Les Miserables")) | |
| assert.Contains(t, valjean.Books(), book) | |
| assert.Empty(valjean.Holds(ctx)) | |
| }) | |
| }) | |
| t.Run("when the library does not have the book in question", func(t *t.Testing) { | |
| t.Run("it tells the reader the book is unavailable", func(t *t.Testing) { | |
| err := valjean.Checkout(ctx, library, "Les Miserables") | |
| assert.Error(t, err) | |
| assert.Equal(t, "Les Miserables is not in the library catalog", err) | |
| }) | |
| }) | |
| } |
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