50 lines
1.2 KiB
Go
50 lines
1.2 KiB
Go
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package validate
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import (
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"errors"
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"testing"
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)
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func TestErrorIs(t *testing.T) {
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type TestCase struct {
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Err error
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Target error
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Is bool
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}
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testCases := []TestCase{
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// Is any validation error
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{Err: Err, Target: Err, Is: true},
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{Err: ErrDisallowedChars, Target: Err, Is: true},
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{Err: ErrMustBeGreater, Target: Err, Is: true},
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// Is specific validation error
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{Err: ErrDisallowedChars, Target: ErrDisallowedChars, Is: true},
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{Err: ErrMustBeGreater, Target: ErrMustBeGreater, Is: true},
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// Is not specific validation error
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{Err: Err, Target: ErrDisallowedChars},
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{Err: Err, Target: ErrMustBeGreater},
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{Err: ErrMustBeGreater, Target: ErrDisallowedChars},
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{Err: ErrDisallowedChars, Target: ErrMustBeGreater},
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// Is not any other error
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{Err: ErrDisallowedChars, Target: errors.New("contains disallowed characters")},
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{Err: ErrMustBeGreater, Target: errors.New("must be greater than %v")},
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}
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for i, tc := range testCases {
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t.Logf("(%d) Testing %v against %v", i, tc.Err, tc.Target)
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if errors.Is(tc.Err, tc.Target) {
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if !tc.Is {
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t.Errorf("%v should not equal %v", tc.Err, tc.Target)
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}
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} else {
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if tc.Is {
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t.Errorf("%v should equal %v", tc.Err, tc.Target)
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}
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}
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}
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}
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