package helpers import ( "github.com/stretchr/testify/assert" "reflect" "strings" "testing" ) func TestGuessType(t *testing.T) { for i, this := range []struct { in string expect string }{ {"md", "markdown"}, {"markdown", "markdown"}, {"mdown", "markdown"}, {"rst", "rst"}, {"html", "html"}, {"htm", "html"}, {"excel", "unknown"}, } { result := GuessType(this.in) if result != this.expect { t.Errorf("[%d] GuessType guessed wrong, expected %s, got %s", i, this.expect, result) } } } func TestBytesToReader(t *testing.T) { asBytes := ReaderToBytes(strings.NewReader("Hello World!")) asReader := BytesToReader(asBytes) assert.Equal(t, []byte("Hello World!"), asBytes) assert.Equal(t, asBytes, ReaderToBytes(asReader)) } func TestStringToReader(t *testing.T) { asString := ReaderToString(strings.NewReader("Hello World!")) assert.Equal(t, "Hello World!", asString) asReader := StringToReader(asString) assert.Equal(t, asString, ReaderToString(asReader)) } func TestFindAvailablePort(t *testing.T) { addr, err := FindAvailablePort() assert.Nil(t, err) assert.NotNil(t, addr) assert.True(t, addr.Port > 0) } func TestInStringArrayCaseSensitive(t *testing.T) { type test struct { input string expected bool } array := []string{ "Albert", "Joe", "Francis", } data := []test{ {"Albert", true}, {"ALBERT", false}, } for _, in := range data { output := InStringArray(array, in.input) if output != in.expected { t.Errorf("TestInStringArrayCase failed. Expected %t. Got %t.", in.expected, output) } } } func TestSliceToLowerStable(t *testing.T) { input := []string{ "New York", "BARCELONA", "COffEE", "FLOWer", "CanDY", } output := SliceToLower(input) for i, e := range output { if e != strings.ToLower(input[i]) { t.Errorf("Expected %s. Found %s.", strings.ToLower(input[i]), e) } } } func TestSliceToLowerNil(t *testing.T) { var input []string output := SliceToLower(input) if output != nil { t.Errorf("Expected nil to be returned. Had %s.", output) } } func TestSliceToLowerNonDestructive(t *testing.T) { input := []string{ "New York", "BARCELONA", "COffEE", "FLOWer", "CanDY", } // This assignment actually copies the content // of input into a new object. // Otherwise, the test would not make sense... input_copy := input SliceToLower(input) for i, e := range input { if e != input_copy[i] { t.Errorf("TestSliceToLowerNonDestructive failed. Expected element #%d of input slice to be %s. Found %s.", i, input_copy[i], input[i]) } } } // Just make sure there is no error for empty-like strings func TestMd5StringEmpty(t *testing.T) { inputs := []string{"", " ", " "} for _, in := range inputs { Md5String(in) } } func TestDoArithmetic(t *testing.T) { for i, this := range []struct { a interface{} b interface{} op rune expect interface{} }{ {3, 2, '+', int64(5)}, {3, 2, '-', int64(1)}, {3, 2, '*', int64(6)}, {3, 2, '/', int64(1)}, {3.0, 2, '+', float64(5)}, {3.0, 2, '-', float64(1)}, {3.0, 2, '*', float64(6)}, {3.0, 2, '/', float64(1.5)}, {3, 2.0, '+', float64(5)}, {3, 2.0, '-', float64(1)}, {3, 2.0, '*', float64(6)}, {3, 2.0, '/', float64(1.5)}, {3.0, 2.0, '+', float64(5)}, {3.0, 2.0, '-', float64(1)}, {3.0, 2.0, '*', float64(6)}, {3.0, 2.0, '/', float64(1.5)}, {uint(3), uint(2), '+', uint64(5)}, {uint(3), uint(2), '-', uint64(1)}, {uint(3), uint(2), '*', uint64(6)}, {uint(3), uint(2), '/', uint64(1)}, {uint(3), 2, '+', uint64(5)}, {uint(3), 2, '-', uint64(1)}, {uint(3), 2, '*', uint64(6)}, {uint(3), 2, '/', uint64(1)}, {3, uint(2), '+', uint64(5)}, {3, uint(2), '-', uint64(1)}, {3, uint(2), '*', uint64(6)}, {3, uint(2), '/', uint64(1)}, {uint(3), -2, '+', int64(1)}, {uint(3), -2, '-', int64(5)}, {uint(3), -2, '*', int64(-6)}, {uint(3), -2, '/', int64(-1)}, {-3, uint(2), '+', int64(-1)}, {-3, uint(2), '-', int64(-5)}, {-3, uint(2), '*', int64(-6)}, {-3, uint(2), '/', int64(-1)}, {uint(3), 2.0, '+', float64(5)}, {uint(3), 2.0, '-', float64(1)}, {uint(3), 2.0, '*', float64(6)}, {uint(3), 2.0, '/', float64(1.5)}, {3.0, uint(2), '+', float64(5)}, {3.0, uint(2), '-', float64(1)}, {3.0, uint(2), '*', float64(6)}, {3.0, uint(2), '/', float64(1.5)}, {0, 0, '+', 0}, {0, 0, '-', 0}, {0, 0, '*', 0}, {"foo", "bar", '+', "foobar"}, {3, 0, '/', false}, {3.0, 0, '/', false}, {3, 0.0, '/', false}, {uint(3), uint(0), '/', false}, {3, uint(0), '/', false}, {-3, uint(0), '/', false}, {uint(3), 0, '/', false}, {3.0, uint(0), '/', false}, {uint(3), 0.0, '/', false}, {3, "foo", '+', false}, {3.0, "foo", '+', false}, {uint(3), "foo", '+', false}, {"foo", 3, '+', false}, {"foo", "bar", '-', false}, {3, 2, '%', false}, } { result, err := DoArithmetic(this.a, this.b, this.op) if b, ok := this.expect.(bool); ok && !b { if err == nil { t.Errorf("[%d] doArithmetic didn't return an expected error") } } else { if err != nil { t.Errorf("[%d] failed: %s", i, err) continue } if !reflect.DeepEqual(result, this.expect) { t.Errorf("[%d] doArithmetic got %v but expected %v", i, result, this.expect) } } } }