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46 lines
1.1 KiB
46 lines
1.1 KiB
// Copyright 2017 Felix Lange <fjl@twurst.com>.
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// Use of this source code is governed by the MIT license,
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// which can be found in the LICENSE file.
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package main
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import (
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"io/ioutil"
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"path/filepath"
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"testing"
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"github.com/kylelemons/godebug/diff"
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)
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// 'golden' tests. These tests compare the output code with the expected
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// code in internal/tests/*/output.go. The expected can be updated using
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//
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// go generate ./internal/...
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func TestMapConv(t *testing.T) {
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runGoldenTest(t, Config{Dir: "mapconv", Type: "X", FieldOverride: "Xo"})
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}
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func TestSliceConv(t *testing.T) {
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runGoldenTest(t, Config{Dir: "sliceconv", Type: "X", FieldOverride: "Xo"})
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}
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func TestNameClash(t *testing.T) {
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runGoldenTest(t, Config{Dir: "nameclash", Type: "Y", FieldOverride: "Yo"})
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}
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func runGoldenTest(t *testing.T, cfg Config) {
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cfg.Dir = filepath.Join("internal", "tests", cfg.Dir)
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want, err := ioutil.ReadFile(filepath.Join(cfg.Dir, "output.go"))
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if err != nil {
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t.Fatal(err)
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}
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code, err := cfg.process()
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if err != nil {
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t.Fatal(err)
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}
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if d := diff.Diff(string(want), string(code)); d != "" {
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t.Errorf("output mismatch\n\n%s", d)
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}
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}
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