go-nul/nullable_gostring_test.go

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2023-09-23 22:55:56 +00:00
package nul_test
import (
"testing"
"fmt"
"sourcecode.social/reiver/go-nul"
)
func TestNullable_GoString(t *testing.T) {
tests := []struct{
Value any
Expected string
}{
{
Value: "",
Expected: `nul.Something[string]("")`,
},
{
Value: "once twice thrice fource",
Expected: `nul.Something[string]("once twice thrice fource")`,
},
{
Value: "apple banana cherry",
Expected: `nul.Something[string]("apple banana cherry")`,
},
{
Value: uint8 (0x0),
Expected: `nul.Something[uint8](0x0)`,
},
{
Value: uint8 (0x1),
Expected: `nul.Something[uint8](0x1)`,
},
{
Value: uint8 (0x2),
Expected: `nul.Something[uint8](0x2)`,
},
{
Value: uint8 (0xfe),
Expected: `nul.Something[uint8](0xfe)`,
},
{
Value: uint8 (0xff),
Expected: `nul.Something[uint8](0xff)`,
},
{
Value: uint16 (0x0),
Expected: `nul.Something[uint16](0x0)`,
},
{
Value: uint16 (0x1),
Expected: `nul.Something[uint16](0x1)`,
},
{
Value: uint16 (0x2),
Expected: `nul.Something[uint16](0x2)`,
},
{
Value: uint16 (0xfe),
Expected: `nul.Something[uint16](0xfe)`,
},
{
Value: uint16 (0xff),
Expected: `nul.Something[uint16](0xff)`,
},
{
Value: uint16 (0x100),
Expected: `nul.Something[uint16](0x100)`,
},
{
Value: uint16 (0x101),
Expected: `nul.Something[uint16](0x101)`,
},
{
Value: uint16 (0x102),
Expected: `nul.Something[uint16](0x102)`,
},
{
Value: uint16 (0xfffe),
Expected: `nul.Something[uint16](0xfffe)`,
},
{
Value: uint16 (0xffff),
Expected: `nul.Something[uint16](0xffff)`,
},
{
Value: struct { A string; B int }{A:"joeblow",B:7},
Expected: `nul.Something[struct { A string; B int }](struct { A string; B int }{A:"joeblow", B:7})`,
},
}
for testNumber, test := range tests {
op := nul.Something(test.Value)
gostring := op.GoString()
{
expected := test.Expected
actual := gostring
if expected != actual {
t.Errorf("For test #%d, the actual go-string is not what was expected.", testNumber)
t.Logf("EXPECTED: %q", expected)
t.Logf("ACTUAL: %q", actual)
t.Logf("VALUE-TYPE: %T", test.Value)
t.Logf("VALUE: %#v", test.Value)
//////////////////////// CONTINUE
continue
}
}
}
}
func TestNullable_GoString_nothing(t *testing.T) {
tests := []struct{
Nullable fmt.GoStringer
Expected string
}{
{
Nullable: nul.Nothing[string](),
Expected: `nul.Nothing[string]()`,
},
{
Nullable: nul.Nothing[int8](),
Expected: `nul.Nothing[int8]()`,
},
{
Nullable: nul.Nothing[int16](),
Expected: `nul.Nothing[int16]()`,
},
{
Nullable: nul.Nothing[int32](),
Expected: `nul.Nothing[int32]()`,
},
{
Nullable: nul.Nothing[int64](),
Expected: `nul.Nothing[int64]()`,
},
{
Nullable: nul.Nothing[uint8](),
Expected: `nul.Nothing[uint8]()`,
},
{
Nullable: nul.Nothing[uint16](),
Expected: `nul.Nothing[uint16]()`,
},
{
Nullable: nul.Nothing[uint32](),
Expected: `nul.Nothing[uint32]()`,
},
{
Nullable: nul.Nothing[uint64](),
Expected: `nul.Nothing[uint64]()`,
},
}
for testNumber, test := range tests {
expected := test.Expected
actual := test.Nullable.GoString()
if expected != actual {
t.Errorf("For test #%d, the actual go-string value is not what was expected.", testNumber)
t.Logf("EXPECTED GO-STRING: %q", expected)
t.Logf("ACTUAL GO-STRING: %q", actual)
t.Logf("TYPE: %T", test.Nullable)
/////////////// CONTINUE
continue
}
}
}
func TestNullable_GoString_null(t *testing.T) {
tests := []struct{
Nullable fmt.GoStringer
Expected string
}{
{
Nullable: nul.Null[string](),
Expected: `nul.Null[string]()`,
},
{
Nullable: nul.Null[int8](),
Expected: `nul.Null[int8]()`,
},
{
Nullable: nul.Null[int16](),
Expected: `nul.Null[int16]()`,
},
{
Nullable: nul.Null[int32](),
Expected: `nul.Null[int32]()`,
},
{
Nullable: nul.Null[int64](),
Expected: `nul.Null[int64]()`,
},
{
Nullable: nul.Null[uint8](),
Expected: `nul.Null[uint8]()`,
},
{
Nullable: nul.Null[uint16](),
Expected: `nul.Null[uint16]()`,
},
{
Nullable: nul.Null[uint32](),
Expected: `nul.Null[uint32]()`,
},
{
Nullable: nul.Null[uint64](),
Expected: `nul.Null[uint64]()`,
},
}
for testNumber, test := range tests {
expected := test.Expected
actual := test.Nullable.GoString()
if expected != actual {
t.Errorf("For test #%d, the actual go-string value is not what was expected.", testNumber)
t.Logf("EXPECTED GO-STRING: %q", expected)
t.Logf("ACTUAL GO-STRING: %q", actual)
t.Logf("TYPE: %T", test.Nullable)
/////////////// CONTINUE
continue
}
}
}