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package main
import (
"fmt"
"os"
"strings"
"testing"
)
func TestMigrationNumber(t *testing.T) {
n := len(migrations)
entries, err := os.ReadDir(migrationDir)
if err != nil {
t.Fatalf("Failed to determine number of migration files: %v", err)
}
expectation := len(entries)
if n != expectation {
t.Fatalf("Expected %d migration files but got %d.", expectation, n)
}
}
func TestMigrationContent(t *testing.T) {
for i, migration := range migrations {
path := migrationPath(i)
expectation := fmt.Sprintf("PRAGMA user_version = %d;", i+1)
if !strings.HasPrefix(migration, expectation) {
t.Fatalf("Expected '%s' at start of '%s'.", expectation, path)
}
}
}
func TestMigrations(t *testing.T) {
db, _ := emptyDB(t)
userVersion, err := UserVersion(db)
if err != nil {
t.Fatalf("Failed to get initial user_version: %v", err)
}
if userVersion != 0 {
t.Fatalf("Expected user_version 0 but got %d.", userVersion)
}
for i := range migrations {
path := migrationPath(i)
err := Migrate(db, i)
if err != nil {
t.Fatalf("Failed to execute migration %s: %v", path, err)
}
userVersion, err = UserVersion(db)
if err != nil {
t.Fatalf("Failed to get user_version after migration: %v", err)
}
expected := i + 1
if userVersion != expected {
t.Fatalf(
"Expected user_version %d after running %s but got %d.",
expected,
path,
userVersion,
)
}
}
}
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