2021-09-18 01:03:09 +01:00
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package database_test
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import (
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2021-09-23 21:14:35 +01:00
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"bytes"
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"encoding/gob"
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2021-09-18 01:03:09 +01:00
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"fmt"
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"os"
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"path/filepath"
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"reflect"
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"testing"
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2021-09-25 13:13:41 +01:00
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"forge.dananglin.me.uk/code/dananglin/canal/internal/board"
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"forge.dananglin.me.uk/code/dananglin/canal/internal/database"
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2021-09-18 01:03:09 +01:00
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bolt "go.etcd.io/bbolt"
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)
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func TestOpenDataBaseXDGDataDir(t *testing.T) {
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t.Parallel()
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projectDir, err := projectRoot()
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if err != nil {
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t.Fatalf(err.Error())
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}
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testXdgDataHome := filepath.Join(projectDir, "test", "databases", "xdg_data_dir")
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defer os.RemoveAll(testXdgDataHome)
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if err := os.Setenv("XDG_DATA_HOME", testXdgDataHome); err != nil {
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t.Fatalf("An error occurred whilst setting the XDG_DATA_HOME environment variable, %s", err)
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}
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defer func() {
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_ = os.Unsetenv("XDG_DATA_HOME")
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}()
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db, err := database.OpenDatabase("")
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if err != nil {
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t.Fatalf("An error occurred whilst opening the test database, %s.", err)
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}
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_ = db.Close()
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2021-09-25 13:13:41 +01:00
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wantDB := filepath.Join(testXdgDataHome, "canal", "canal.db")
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2021-09-18 01:03:09 +01:00
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// ensure that the database file exists
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_, err = os.Stat(wantDB)
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if err != nil {
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t.Fatalf("Unable to get file information of the test database, %s", err)
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}
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}
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func TestWriteAndReadStatusList(t *testing.T) {
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t.Parallel()
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var db *bolt.DB
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var err error
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projectDir, err := projectRoot()
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if err != nil {
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t.Fatalf(err.Error())
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}
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testDB := filepath.Join(projectDir, "test", "databases", "Database_TestWriteAndReadStatusList.db")
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os.Remove(testDB)
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if db, err = database.OpenDatabase(testDB); err != nil {
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t.Fatalf("An error occurred whilst opening the test database %s, %s.", testDB, err)
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}
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defer func() {
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_ = db.Close()
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}()
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testWriteStatusList(t, db)
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testReadStatusList(t, db)
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}
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func testWriteStatusList(t *testing.T, db *bolt.DB) {
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t.Helper()
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newStatusList := []board.Status{
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{
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ID: -1,
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Name: "Backlog",
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CardIds: []int{1, 14, 9, 10},
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Order: 1,
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},
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{
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ID: -1,
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Name: "Next",
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CardIds: []int{2, 5, 12},
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Order: 2,
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},
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{
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ID: -1,
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Name: "In progress",
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CardIds: []int{3, 14},
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Order: 3,
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},
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{
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ID: -1,
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Name: "Finished!",
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CardIds: []int{4, 6, 7, 8, 11, 13},
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Order: 4,
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},
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}
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2021-09-23 21:14:35 +01:00
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boltItems := make([]database.BoltItem, len(newStatusList))
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for i := range newStatusList {
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boltItems[i] = &newStatusList[i]
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}
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if err := database.WriteMany(db, database.StatusBucket, boltItems); err != nil {
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t.Fatalf("An error occurred whilst writing the initial status list to the database, %s", err)
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}
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}
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func testReadStatusList(t *testing.T, db *bolt.DB) {
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t.Helper()
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data, err := database.ReadAll(db, database.StatusBucket)
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if err != nil {
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t.Fatalf("An error occurred whilst reading the modified status list from the database, %s", err)
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}
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2021-09-23 21:14:35 +01:00
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got := make([]board.Status, len(data))
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for i, d := range data {
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buf := bytes.NewBuffer(d)
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decoder := gob.NewDecoder(buf)
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var s board.Status
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if err := decoder.Decode(&s); err != nil {
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t.Fatalf("An error occurred whilst decoding data, %s", err)
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}
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got[i] = s
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}
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want := []board.Status{
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{
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ID: 1,
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Name: "Backlog",
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CardIds: []int{1, 14, 9, 10},
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Order: 1,
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},
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{
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ID: 2,
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Name: "Next",
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CardIds: []int{2, 5, 12},
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Order: 2,
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},
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{
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ID: 3,
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Name: "In progress",
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CardIds: []int{3, 14},
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Order: 3,
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},
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{
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ID: 4,
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Name: "Finished!",
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CardIds: []int{4, 6, 7, 8, 11, 13},
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Order: 4,
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},
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}
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if !reflect.DeepEqual(got, want) {
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t.Errorf("Unexpected status list read from the database: got %+v, want %+v", got, want)
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} else {
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t.Logf("Expected status list read from the database: got %+v", got)
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}
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}
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func TestReadAndWriteCard(t *testing.T) {
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t.Parallel()
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var db *bolt.DB
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var err error
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projectDir, err := projectRoot()
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if err != nil {
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t.Fatalf(err.Error())
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}
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testDB := filepath.Join(projectDir, "test", "databases", "Database_TestReadWriteCard.db")
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os.Remove(testDB)
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if db, err = database.OpenDatabase(testDB); err != nil {
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t.Fatalf("An error occurred whilst opening the test database %s, %s.", testDB, err)
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}
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defer func() {
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_ = db.Close()
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}()
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cardID := testWriteCard(t, db)
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testReadCard(t, db, cardID)
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}
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func testWriteCard(t *testing.T, db *bolt.DB) int {
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t.Helper()
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2021-09-23 21:14:35 +01:00
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newCard := board.Card{
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ID: -1,
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Title: "A test task.",
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Content: "This task should be completed.",
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}
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2021-09-23 21:14:35 +01:00
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cardID, err := database.Write(db, database.CardBucket, &newCard)
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if err != nil {
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t.Fatalf("An error occurred whilst writing the card to the database, %s", err)
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}
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return cardID
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}
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func testReadCard(t *testing.T, db *bolt.DB, cardID int) {
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t.Helper()
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data, err := database.Read(db, database.CardBucket, cardID)
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if err != nil {
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t.Fatalf("An error occurred whilst loading the modified from the database, %s", err)
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}
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2021-09-23 21:14:35 +01:00
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var got board.Card
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buf := bytes.NewBuffer(data)
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decoder := gob.NewDecoder(buf)
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if err := decoder.Decode(&got); err != nil {
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t.Fatalf("Unable to decode data, %s", err)
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}
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want := board.Card{
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2021-09-18 01:03:09 +01:00
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ID: 1,
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Title: "A test task.",
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Content: "This task should be completed.",
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}
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if !reflect.DeepEqual(got, want) {
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t.Errorf("Unexpected card read from the database: got %+v, want %+v", got, want)
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} else {
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t.Logf("Expected card read from the database: got %+v", got)
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}
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}
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func projectRoot() (string, error) {
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cwd, err := os.Getwd()
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if err != nil {
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return "", fmt.Errorf("unable to get the current working directory, %w", err)
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}
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return filepath.Join(cwd, "..", ".."), nil
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}
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