70 lines
1.4 KiB
Go
70 lines
1.4 KiB
Go
package jsonfile
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import (
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"encoding/json"
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"os"
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"path/filepath"
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"strings"
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"testing"
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)
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func TestWriteFormatsWithTwoSpaceIndentAndTrailingNewline(t *testing.T) {
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type payload struct {
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Name string `json:"name"`
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Items []int `json:"items"`
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}
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path := filepath.Join(t.TempDir(), "out.json")
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value := payload{
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Name: "alpha",
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Items: []int{1, 2},
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}
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if err := Write(path, value); err != nil {
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t.Fatalf("write failed: %v", err)
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}
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data, err := os.ReadFile(path)
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if err != nil {
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t.Fatalf("read output: %v", err)
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}
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got := string(data)
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want := "{\n \"name\": \"alpha\",\n \"items\": [\n 1,\n 2\n ]\n}\n"
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if got != want {
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t.Fatalf("formatted JSON mismatch\nwant:\n%s\ngot:\n%s", want, got)
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}
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}
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func TestWriteProducesValidJSON(t *testing.T) {
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path := filepath.Join(t.TempDir(), "out.json")
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value := map[string]any{
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"application": "seriatim",
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"segments": []map[string]any{
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{
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"id": 1,
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"speaker": "A",
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"text": "hello",
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},
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},
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}
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if err := Write(path, value); err != nil {
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t.Fatalf("write failed: %v", err)
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}
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data, err := os.ReadFile(path)
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if err != nil {
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t.Fatalf("read output: %v", err)
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}
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if !strings.HasSuffix(string(data), "\n") {
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t.Fatalf("output missing trailing newline: %q", string(data))
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}
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var decoded map[string]any
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if err := json.Unmarshal(data, &decoded); err != nil {
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t.Fatalf("output is not valid JSON: %v", err)
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}
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}
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