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|
package ensure_test
import (
"errors"
"regexp"
"testing"
"github.com/facebookgo/ensure"
)
func TestNilErr(t *testing.T) {
var c capture
e := errors.New("foo")
ensure.Err(&c, e, nil)
c.Equal(t, "ensure_test.go:14: unexpected error: foo")
}
func TestMatchingError(t *testing.T) {
var c capture
e := errors.New("foo")
ensure.Err(&c, e, regexp.MustCompile("bar"))
c.Equal(t, "ensure_test.go:21: expected error: \"bar\" but got \"foo\"")
}
type typ struct {
Answer int
}
func TestExtras(t *testing.T) {
var c capture
e := errors.New("foo")
ensure.Err(
&c,
e,
nil,
map[string]int{"answer": 42},
"baz",
43,
44.45,
typ{Answer: 46},
)
c.Equal(t, `ensure_test.go:41: unexpected error: foo
(map[string]int) (len=1) {
(string) (len=6) "answer": (int) 42
}
(string) (len=3) "baz"
(int) 43
(float64) 44.45
(ensure_test.typ) {
Answer: (int) 46
}`)
}
func TestDeepEqualStruct(t *testing.T) {
var c capture
actual := typ{Answer: 41}
expected := typ{Answer: 42}
ensure.DeepEqual(&c, actual, expected)
c.Equal(t, `ensure_test.go:58: expected these to be equal:
ACTUAL:
(ensure_test.typ) {
Answer: (int) 41
}
EXPECTED:
(ensure_test.typ) {
Answer: (int) 42
}`)
}
func TestDeepEqualString(t *testing.T) {
var c capture
ensure.DeepEqual(&c, "foo", "bar")
c.Equal(t, `ensure_test.go:73: expected these to be equal:
ACTUAL:
(string) (len=3) "foo"
EXPECTED:
(string) (len=3) "bar"`)
}
func TestNotDeepEqualStruct(t *testing.T) {
var c capture
v := typ{Answer: 42}
ensure.NotDeepEqual(&c, v, v)
c.Equal(t, `ensure_test.go:85: expected two different values, but got the same:
(ensure_test.typ) {
Answer: (int) 42
}`)
}
func TestSubsetStruct(t *testing.T) {
var c capture
ensure.Subset(&c, typ{}, typ{Answer: 42})
c.Equal(t, `ensure_test.go:94: expected subset not found:
ACTUAL:
(ensure_test.typ) {
Answer: (int) 0
}
EXPECTED SUBSET
(ensure_test.typ) {
Answer: (int) 42
}`)
}
func TestUnexpectedNilErr(t *testing.T) {
var c capture
ensure.Err(&c, nil, regexp.MustCompile("bar"))
c.Equal(t, "ensure_test.go:109: expected error: \"bar\" but got a nil error")
}
func TestNilString(t *testing.T) {
var c capture
ensure.Nil(&c, "foo")
c.Equal(t, "ensure_test.go:115: expected nil value but got: (string) (len=3) \"foo\"")
}
func TestNilInt(t *testing.T) {
var c capture
ensure.Nil(&c, 1)
c.Equal(t, "ensure_test.go:121: expected nil value but got: (int) 1")
}
func TestNilStruct(t *testing.T) {
var c capture
ensure.Nil(&c, typ{})
c.Equal(t, `ensure_test.go:127: expected nil value but got:
(ensure_test.typ) {
Answer: (int) 0
}`)
}
func TestNonNil(t *testing.T) {
var c capture
ensure.NotNil(&c, nil)
c.Equal(t, `ensure_test.go:136: expected a value but got nil`)
}
func TestStringContains(t *testing.T) {
var c capture
ensure.StringContains(&c, "foo", "bar")
c.Equal(t, "ensure_test.go:142: expected substring \"bar\" was not found in \"foo\"")
}
func TestStringDoesNotContain(t *testing.T) {
var c capture
ensure.StringDoesNotContain(&c, "foo", "o")
c.Equal(t, "ensure_test.go:148: substring \"o\" was not supposed to be found in \"foo\"")
if log {
t.Log("foo")
}
}
func TestExpectedNilErr(t *testing.T) {
var c capture
ensure.Err(&c, nil, nil)
c.Equal(t, "")
}
func TestNilErrUsingNil(t *testing.T) {
var c capture
e := errors.New("foo")
ensure.Nil(&c, e)
c.Equal(t, "ensure_test.go:164: unexpected error: foo")
}
func TestTrue(t *testing.T) {
var c capture
ensure.True(&c, false)
c.Equal(t, `ensure_test.go:170: expected true but got false`)
}
func TestSameElementsIntAndInterface(t *testing.T) {
ensure.SameElements(t, []int{1, 2}, []interface{}{2, 1})
}
func TestSameElementsLengthDifference(t *testing.T) {
var c capture
ensure.SameElements(&c, []int{1, 2}, []interface{}{1})
c.Equal(t, `ensure_test.go:180: expected same elements but found slices of different lengths:
ACTUAL:
([]int) (len=2 cap=2) {
(int) 1,
(int) 2
}
EXPECTED
([]interface {}) (len=1 cap=1) {
(int) 1
}`)
}
func TestSameElementsRepeated(t *testing.T) {
var c capture
ensure.SameElements(&c, []int{1, 2}, []interface{}{1, 1})
c.Equal(t, `ensure_test.go:195: missing expected element:
ACTUAL:
([]int) (len=2 cap=2) {
(int) 1,
(int) 2
}
EXPECTED:
([]interface {}) (len=2 cap=2) {
(int) 1,
(int) 1
}
MISSING ELEMENT
(int) 1`)
}
func TestFalse(t *testing.T) {
var c capture
ensure.False(t, false)
ensure.False(&c, true)
c.Equal(t, `ensure_test.go:214: expected false but got true`)
}
func TestPanicDeepEqualNil(t *testing.T) {
defer ensure.PanicDeepEqual(t, "can't pass nil to ensure.PanicDeepEqual")
ensure.PanicDeepEqual(t, nil)
}
func TestPanicDeepEqualSuccess(t *testing.T) {
defer ensure.PanicDeepEqual(t, 1)
panic(1)
}
func TestPanicDeepEqualFailure(t *testing.T) {
var c capture
func() {
defer ensure.PanicDeepEqual(&c, 1)
panic(2)
}()
c.Matches(t, `TestPanicDeepEqualFailure((.func1)?)
expected these to be equal:
ACTUAL:
\(int\) 2
EXPECTED:
\(int\) 1`)
}
func TestMultiLineStringContains(t *testing.T) {
var c capture
ensure.StringContains(&c, "foo\nbaz", "bar")
c.Equal(t, `ensure_test.go:245: expected substring was not found:
EXPECTED SUBSTRING:
bar
ACTUAL:
foo
baz`)
}
|
