71 lines
1.7 KiB
Go
71 lines
1.7 KiB
Go
package plugin
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import (
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"testing"
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"github.com/stretchr/testify/assert"
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)
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// A float parameter must keep its type inside the interpreter even when the
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// value is a whole number. Otherwise arithmetic mixing it with a float constant
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// fails with "invalid operation: mismatched types int and untyped float".
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func TestGoFloatParam(t *testing.T) {
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for _, tc := range []struct {
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value float64
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want int64
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}{
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{11000, 73},
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{15000, 100},
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{0, 0},
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{11000.5, 73},
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} {
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p, err := NewGoPluginFromConfig(t.Context(), map[string]any{
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"in": []map[string]any{{
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"name": "limit",
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"type": "float",
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"config": map[string]any{"source": "const", "value": tc.value},
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}},
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"script": "int(limit*100/15000 + 0.5)",
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})
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assert.NoError(t, err)
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g, err := p.(IntGetter).IntGetter()
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assert.NoError(t, err)
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v, err := g()
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assert.NoError(t, err)
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assert.Equal(t, tc.want, v, tc.value)
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}
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}
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// int parameters keep integer semantics
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func TestGoIntParam(t *testing.T) {
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p, err := NewGoPluginFromConfig(t.Context(), map[string]any{
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"in": []map[string]any{{
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"name": "mode",
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"type": "int",
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"config": map[string]any{"source": "const", "value": 3},
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}},
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"script": "mode & 1",
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})
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assert.NoError(t, err)
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g, err := p.(IntGetter).IntGetter()
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assert.NoError(t, err)
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v, err := g()
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assert.NoError(t, err)
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assert.Equal(t, int64(1), v)
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}
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// the value handed to a setter is a parameter, too
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func TestGoFloatSetter(t *testing.T) {
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p, err := NewGoPluginFromConfig(t.Context(), map[string]any{
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"script": "int(limit*100/15000 + 0.5)",
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})
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assert.NoError(t, err)
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s, err := p.(FloatSetter).FloatSetter("limit")
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assert.NoError(t, err)
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assert.NoError(t, s(11000))
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}
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