mirror of
https://github.com/MontFerret/ferret.git
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acf2f13dcb
* sync with MontFerret/ferret * fix --param handling When params is converted to map it uses strings.Split, which slices a string into all substrings separated by :. * remove impossible conditions nil != nil * delete ineffectual assignments * replace '+= 1' with '++' * remove useless comparison with nil * merge variable declarations * remove bool comparison * fix imports * fix imports * delete unused file * use copy instead of loop * delete unused DummyInterface * remove unnecassary break statements * tidy modules
120 lines
2.4 KiB
Go
120 lines
2.4 KiB
Go
package collections_test
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import (
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"context"
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"github.com/MontFerret/ferret/pkg/runtime/collections"
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"github.com/MontFerret/ferret/pkg/runtime/core"
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"github.com/MontFerret/ferret/pkg/runtime/values"
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. "github.com/smartystreets/goconvey/convey"
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"testing"
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)
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func sliceIterator(value []core.Value) collections.Iterator {
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iter, _ := collections.NewDefaultSliceIterator(value)
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return iter
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}
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func TestSliceIterator(t *testing.T) {
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Convey("Should iterate over a slice", t, func() {
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arr := []core.Value{
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values.NewInt(1),
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values.NewInt(2),
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values.NewInt(3),
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values.NewInt(4),
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values.NewInt(5),
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}
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iter := sliceIterator(arr)
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res := make([]core.Value, 0, len(arr))
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ctx := context.Background()
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scope, _ := core.NewRootScope()
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pos := 0
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for {
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nextScope, err := iter.Next(ctx, scope)
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So(err, ShouldBeNil)
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if nextScope == nil {
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break
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}
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key := nextScope.MustGetVariable(collections.DefaultKeyVar)
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item := nextScope.MustGetVariable(collections.DefaultValueVar)
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So(key.Unwrap(), ShouldEqual, pos)
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res = append(res, item)
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pos++
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}
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So(res, ShouldHaveLength, len(arr))
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})
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Convey("Should iterate over a slice in the same order", t, func() {
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arr := []core.Value{
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values.NewInt(1),
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values.NewInt(2),
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values.NewInt(3),
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values.NewInt(4),
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values.NewInt(5),
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}
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iter := sliceIterator(arr)
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ctx := context.Background()
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scope, _ := core.NewRootScope()
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res, err := collections.ToSlice(ctx, scope, iter)
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So(err, ShouldBeNil)
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for idx := range arr {
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expected := arr[idx]
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nextScope := res[idx]
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actual := nextScope.MustGetVariable(collections.DefaultValueVar)
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So(actual, ShouldEqual, expected)
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}
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})
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Convey("Should return an error when exhausted", t, func() {
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arr := []core.Value{
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values.NewInt(1),
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values.NewInt(2),
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values.NewInt(3),
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values.NewInt(4),
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values.NewInt(5),
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}
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iter := sliceIterator(arr)
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ctx := context.Background()
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scope, _ := core.NewRootScope()
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_, err := collections.ToSlice(ctx, scope, iter)
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So(err, ShouldBeNil)
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item, err := iter.Next(ctx, scope)
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So(item, ShouldBeNil)
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So(err, ShouldBeNil)
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})
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Convey("Should NOT iterate over an empty slice", t, func() {
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arr := []core.Value{}
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iter := sliceIterator(arr)
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ctx := context.Background()
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scope, _ := core.NewRootScope()
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item, err := iter.Next(ctx, scope)
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So(item, ShouldBeNil)
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So(err, ShouldBeNil)
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})
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}
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