From 4f01edb9230f58ff84b0dd892c931ec8ac9aad55 Mon Sep 17 00:00:00 2001
From: Brian Picciano <mediocregopher@gmail.com>
Date: Tue, 13 Sep 2022 12:56:08 +0200
Subject: move src out of srv, clean up default.nix and Makefile

---
 src/post/asset_test.go | 91 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 91 insertions(+)
 create mode 100644 src/post/asset_test.go

(limited to 'src/post/asset_test.go')

diff --git a/src/post/asset_test.go b/src/post/asset_test.go
new file mode 100644
index 0000000..4d62d46
--- /dev/null
+++ b/src/post/asset_test.go
@@ -0,0 +1,91 @@
+package post
+
+import (
+	"bytes"
+	"io"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+type assetTestHarness struct {
+	store AssetStore
+}
+
+func newAssetTestHarness(t *testing.T) *assetTestHarness {
+
+	db := NewInMemSQLDB()
+	t.Cleanup(func() { db.Close() })
+
+	store := NewAssetStore(db)
+
+	return &assetTestHarness{
+		store: store,
+	}
+}
+
+func (h *assetTestHarness) assertGet(t *testing.T, exp, id string) {
+	t.Helper()
+	buf := new(bytes.Buffer)
+	err := h.store.Get(id, buf)
+	assert.NoError(t, err)
+	assert.Equal(t, exp, buf.String())
+}
+
+func (h *assetTestHarness) assertNotFound(t *testing.T, id string) {
+	t.Helper()
+	err := h.store.Get(id, io.Discard)
+	assert.ErrorIs(t, ErrAssetNotFound, err)
+}
+
+func TestAssetStore(t *testing.T) {
+
+	testAssetStore := func(t *testing.T, h *assetTestHarness) {
+		t.Helper()
+
+		h.assertNotFound(t, "foo")
+		h.assertNotFound(t, "bar")
+
+		err := h.store.Set("foo", bytes.NewBufferString("FOO"))
+		assert.NoError(t, err)
+
+		h.assertGet(t, "FOO", "foo")
+		h.assertNotFound(t, "bar")
+
+		err = h.store.Set("foo", bytes.NewBufferString("FOOFOO"))
+		assert.NoError(t, err)
+
+		h.assertGet(t, "FOOFOO", "foo")
+		h.assertNotFound(t, "bar")
+
+		assert.NoError(t, h.store.Delete("foo"))
+		h.assertNotFound(t, "foo")
+		h.assertNotFound(t, "bar")
+
+		assert.NoError(t, h.store.Delete("bar"))
+		h.assertNotFound(t, "foo")
+		h.assertNotFound(t, "bar")
+
+		// test list
+
+		ids, err := h.store.List()
+		assert.NoError(t, err)
+		assert.Empty(t, ids)
+
+		err = h.store.Set("foo", bytes.NewBufferString("FOOFOO"))
+		assert.NoError(t, err)
+		err = h.store.Set("foo", bytes.NewBufferString("FOOFOO"))
+		assert.NoError(t, err)
+		err = h.store.Set("bar", bytes.NewBufferString("FOOFOO"))
+		assert.NoError(t, err)
+
+		ids, err = h.store.List()
+		assert.NoError(t, err)
+		assert.Equal(t, []string{"bar", "foo"}, ids)
+	}
+
+	t.Run("sql", func(t *testing.T) {
+		h := newAssetTestHarness(t)
+		testAssetStore(t, h)
+	})
+}
-- 
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