func Test_sumOfSquaresOfDigits(t *testing.T) {
assert.Equal(t, 49, sumOfSquaresOfDigits("7"))
assert.Equal(t, 82, sumOfSquaresOfDigits("19"))
assert.Equal(t, 68, sumOfSquaresOfDigits("82"))
assert.Equal(t, 100, sumOfSquaresOfDigits("68"))
assert.Equal(t, 1, sumOfSquaresOfDigits("100"))
}
func TestCreateExpense_Success(t *testing.T) {
tx := dbtest.BeginTx()
defer tx.Rollback()
expense, err := service.CreateExpense(logger.Discard, tx, service.CreateExpenseParams{
Description: "Peter Lustig",
Amount: 42,
})
assert.MustBeNil(t, err)
assert.Equal(t, "Peter Lustig", expense.Description)
assert.Equal(t, 42, expense.Amount)
cnt, err := db.CountExpenses(tx)
assert.MustBeNil(t, err)
assert.Equal(t, 1, cnt)
}
// http://de.scribd.com/doc/142257204/Function-Kata-Fro%CC%88hliche-Zahlen
func TestIsHappyNumber(t *testing.T) {
assert.Equal(t, false, IsHappyNumber(-7))
assert.Equal(t, false, IsHappyNumber(0))
assert.Equal(t, false, IsHappyNumber(21))
assert.Equal(t, false, IsHappyNumber(2))
assert.Equal(t, true, IsHappyNumber(7))
assert.Equal(t, true, IsHappyNumber(964))
assert.Equal(t, false, IsHappyNumber(999))
}
func TestQueryFromOpts(t *testing.T) {
query, args := FormatOpts(
"SELECT name FROM expenses",
OrderBy("name ASC"),
Where("ignore = '?' AND name = ? AND age > ? AND created_at < ?", "harald", 12, "2015"),
Limit(12),
)
assert.Equal(t, "SELECT name FROM expenses WHERE ignore = '?' AND name = $1 AND age > $2 AND created_at < $3 ORDER BY name ASC LIMIT 12", query)
assert.DeepEqual(t, []interface{}{"harald", 12, "2015"}, args)
}
func TestListExpenses(t *testing.T) {
tx := dbtest.BeginTx()
defer tx.Rollback()
_, err := fabricate.Expense(tx).Description("Important Expense").Exec()
assert.MustBeNil(t, err)
expenses, err := service.ListExpenses(logger.Discard, tx)
assert.MustBeNil(t, err)
assert.MustBeEqual(t, 1, len(expenses))
assert.Equal(t, "Important Expense", expenses[0].Description)
}
func TestStripLines(t *testing.T) {
unstripped := `first
second
further in
third`
stripped := `first
second
further in
third`
assert.Equal(t, stripped, stripLines(unstripped))
}
func TestAPIExpenses(t *testing.T) {
txManager := dbtest.NewTxManager()
defer txManager.Rollback()
router := web.NewRouter(logger.Discard, txManager)
s := testclient.New(router)
{
status, body, err := s.PostForm("/api/v1/expenses", "description=asd&amount=12")
assert.MustBeNil(t, err)
defer body.Close()
assert.Equal(t, 201, status)
AssertJSONSchema(t,
schema.Map{
"amount": 12,
"description": "asd",
},
body,
)
}
{
status, body, err := s.Get("/api/v1/expenses")
assert.MustBeNil(t, err)
defer body.Close()
assert.Equal(t, 200, status)
AssertJSONSchema(t,
schema.Array(
schema.Map{
"amount": 12,
"description": "asd",
}),
body,
)
}
}
func TestCreateExpense_Validation(t *testing.T) {
tx := dbtest.BeginTx()
defer tx.Rollback()
_, err := service.CreateExpense(logger.Discard, tx, service.CreateExpenseParams{
Description: "",
Amount: 0,
})
assert.MustBeEqual(t, "ValidationError: Description: must be present, Amount: must be greater than 0", err.Error())
cnt, err := db.CountExpenses(tx)
assert.MustBeNil(t, err)
assert.Equal(t, 0, cnt)
}
// http://de.scribd.com/doc/142096464/Function-Kata-ROT
func TestROT13(t *testing.T) {
assert.Equal(t, "URYYB, JBEYQ", ROT13("Hello, World"))
assert.Equal(t, "NR", ROT13("ä"))
}
// http://de.scribd.com/doc/140817312/Function-Kata-FizzBuzz
func TestFizzBuzz_Length(t *testing.T) {
result := FizzBuzz()
assert.Equal(t, 100, len(result))
}
// http://de.scribd.com/doc/140927641/Function-Kata-From-Roman-Numerals
func TestFromRomanNumerals_Addition(t *testing.T) {
assert.Equal(t, 1, FromRomanNumerals("I"))
assert.Equal(t, 2, FromRomanNumerals("II"))
assert.Equal(t, 5, FromRomanNumerals("V"))
assert.Equal(t, 2013, FromRomanNumerals("MMXIII"))
}
func TestFromRomanNumerals_Subtraction(t *testing.T) {
assert.Equal(t, 4, FromRomanNumerals("IV"))
assert.Equal(t, 9, FromRomanNumerals("IX"))
assert.Equal(t, 42, FromRomanNumerals("XLII"))
assert.Equal(t, 99, FromRomanNumerals("XCIX"))
}
