62 lines
1.4 KiB
Go
62 lines
1.4 KiB
Go
package nomino
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import (
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"errors"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestWithGenerator(t *testing.T) {
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g := func(*Config) (string, error) { return "abc", nil }
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var c Config
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WithGenerator(g)(&c)
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st, err := c.generator(&c)
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assert.NoError(t, err)
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assert.Equal(t, "abc", st)
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}
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func TestMultiGeneratorInOrder(t *testing.T) {
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st1 := "abc"
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st2 := "def"
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er1 := errors.New("oops")
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g1 := func(*Config) (string, error) { return st1, nil }
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g2 := func(*Config) (string, error) { return st2, nil }
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g3 := func(*Config) (string, error) { return "", er1 }
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g := MultiGeneratorInOrder(g1, g2, g3)
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st, err := g(nil)
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assert.NoError(t, err)
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assert.Equal(t, st1, st)
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st, err = g(nil)
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assert.NoError(t, err)
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assert.Equal(t, st2, st)
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st, err = g(nil)
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assert.Zero(t, st)
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assert.ErrorIs(t, err, er1)
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st, err = g(nil)
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assert.NoError(t, err)
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assert.Equal(t, st1, st)
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}
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func TestMultiGeneratorInOrderOne(t *testing.T) {
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st1 := "abc"
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g1 := func(*Config) (string, error) { return st1, nil }
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g := MultiGeneratorInOrder(g1)
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st, err := g(nil)
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assert.NoError(t, err)
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assert.Equal(t, st1, st)
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st, err = g(nil)
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assert.NoError(t, err)
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assert.Equal(t, st1, st)
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}
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func TestMultiGeneratorInOrderMissing(t *testing.T) {
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g := MultiGeneratorInOrder()
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st, err := g(nil)
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assert.Zero(t, st)
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assert.ErrorIs(t, err, ErrMissingGenerators)
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st, err = g(nil)
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assert.Zero(t, st)
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assert.ErrorIs(t, err, ErrMissingGenerators)
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}
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