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Diffstat (limited to 'common/collections/slice_test.go')
-rw-r--r-- | common/collections/slice_test.go | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/common/collections/slice_test.go b/common/collections/slice_test.go new file mode 100644 index 000000000..5788b9161 --- /dev/null +++ b/common/collections/slice_test.go @@ -0,0 +1,139 @@ +// Copyright 2019 The Hugo Authors. All rights reserved. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package collections + +import ( + "errors" + "testing" + + qt "github.com/frankban/quicktest" +) + +var ( + _ Slicer = (*tstSlicer)(nil) + _ Slicer = (*tstSlicerIn1)(nil) + _ Slicer = (*tstSlicerIn2)(nil) + _ testSlicerInterface = (*tstSlicerIn1)(nil) + _ testSlicerInterface = (*tstSlicerIn1)(nil) +) + +type testSlicerInterface interface { + Name() string +} + +type testSlicerInterfaces []testSlicerInterface + +type tstSlicerIn1 struct { + TheName string +} + +type tstSlicerIn2 struct { + TheName string +} + +type tstSlicer struct { + TheName string +} + +func (p *tstSlicerIn1) Slice(in any) (any, error) { + items := in.([]any) + result := make(testSlicerInterfaces, len(items)) + for i, v := range items { + switch vv := v.(type) { + case testSlicerInterface: + result[i] = vv + default: + return nil, errors.New("invalid type") + } + } + return result, nil +} + +func (p *tstSlicerIn2) Slice(in any) (any, error) { + items := in.([]any) + result := make(testSlicerInterfaces, len(items)) + for i, v := range items { + switch vv := v.(type) { + case testSlicerInterface: + result[i] = vv + default: + return nil, errors.New("invalid type") + } + } + return result, nil +} + +func (p *tstSlicerIn1) Name() string { + return p.TheName +} + +func (p *tstSlicerIn2) Name() string { + return p.TheName +} + +func (p *tstSlicer) Slice(in any) (any, error) { + items := in.([]any) + result := make(tstSlicers, len(items)) + for i, v := range items { + switch vv := v.(type) { + case *tstSlicer: + result[i] = vv + default: + return nil, errors.New("invalid type") + } + } + return result, nil +} + +type tstSlicers []*tstSlicer + +func TestSlice(t *testing.T) { + t.Parallel() + c := qt.New(t) + + for i, test := range []struct { + args []any + expected any + }{ + {[]any{"a", "b"}, []string{"a", "b"}}, + {[]any{&tstSlicer{"a"}, &tstSlicer{"b"}}, tstSlicers{&tstSlicer{"a"}, &tstSlicer{"b"}}}, + {[]any{&tstSlicer{"a"}, "b"}, []any{&tstSlicer{"a"}, "b"}}, + {[]any{}, []any{}}, + {[]any{nil}, []any{nil}}, + {[]any{5, "b"}, []any{5, "b"}}, + {[]any{&tstSlicerIn1{"a"}, &tstSlicerIn2{"b"}}, testSlicerInterfaces{&tstSlicerIn1{"a"}, &tstSlicerIn2{"b"}}}, + {[]any{&tstSlicerIn1{"a"}, &tstSlicer{"b"}}, []any{&tstSlicerIn1{"a"}, &tstSlicer{"b"}}}, + } { + errMsg := qt.Commentf("[%d] %v", i, test.args) + + result := Slice(test.args...) + + c.Assert(test.expected, qt.DeepEquals, result, errMsg) + } +} + +func TestSortedStringSlice(t *testing.T) { + t.Parallel() + c := qt.New(t) + + var s SortedStringSlice = []string{"a", "b", "b", "b", "c", "d"} + + c.Assert(s.Contains("a"), qt.IsTrue) + c.Assert(s.Contains("b"), qt.IsTrue) + c.Assert(s.Contains("z"), qt.IsFalse) + c.Assert(s.Count("b"), qt.Equals, 3) + c.Assert(s.Count("z"), qt.Equals, 0) + c.Assert(s.Count("a"), qt.Equals, 1) + +} |