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135 lines
2.8 KiB
135 lines
2.8 KiB
package chart
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import (
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"bytes"
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"fmt"
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"testing"
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"text/template"
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)
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func TestReadValues(t *testing.T) {
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doc := `# Test TOML parse
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poet = "Coleridge"
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title = "Rime of the Ancient Mariner"
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stanza = ["at", "length", "did", "cross", "an", "Albatross"]
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[mariner]
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with = "crossbow"
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shot = "ALBATROSS"
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[water.water]
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where = "everywhere"
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nor = "any drop to drink"
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`
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data, err := ReadValues([]byte(doc))
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if err != nil {
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t.Fatalf("Error parsing bytes: %s", err)
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}
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matchValues(t, data)
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}
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func TestReadValuesFile(t *testing.T) {
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data, err := ReadValuesFile("./testdata/coleridge.toml")
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if err != nil {
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t.Fatalf("Error reading TOML file: %s", err)
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}
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matchValues(t, data)
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}
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func ExampleValues() {
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doc := `title="Moby Dick"
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[chapter.one]
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title = "Loomings"
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[chapter.two]
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title = "The Carpet-Bag"
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[chapter.three]
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title = "The Spouter Inn"
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`
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d, err := ReadValues([]byte(doc))
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if err != nil {
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panic(err)
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}
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ch1, err := d.Table("chapter.one")
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if err != nil {
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panic("could not find chapter one")
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}
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fmt.Print(ch1["title"])
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// Output:
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// Loomings
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}
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func TestTable(t *testing.T) {
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doc := `title="Moby Dick"
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[chapter.one]
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title = "Loomings"
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[chapter.two]
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title = "The Carpet-Bag"
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[chapter.three]
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title = "The Spouter Inn"
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`
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d, err := ReadValues([]byte(doc))
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if err != nil {
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t.Fatalf("Failed to parse the White Whale: %s", err)
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}
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if _, err := d.Table("title"); err == nil {
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t.Fatalf("Title is not a table.")
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}
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if _, err := d.Table("chapter"); err != nil {
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t.Fatalf("Failed to get the chapter table: %s\n%v", err, d)
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}
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if v, err := d.Table("chapter.one"); err != nil {
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t.Errorf("Failed to get chapter.one: %s", err)
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} else if v["title"] != "Loomings" {
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t.Errorf("Unexpected title: %s", v["title"])
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}
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if _, err := d.Table("chapter.three"); err != nil {
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t.Errorf("Chapter three is missing: %s\n%v", err, d)
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}
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if _, err := d.Table("chapter.OneHundredThirtySix"); err == nil {
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t.Errorf("I think you mean 'Epilogue'")
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}
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}
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func matchValues(t *testing.T, data map[string]interface{}) {
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if data["poet"] != "Coleridge" {
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t.Errorf("Unexpected poet: %s", data["poet"])
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}
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if o, err := ttpl("{{len .stanza}}", data); err != nil {
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t.Errorf("len stanza: %s", err)
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} else if o != "6" {
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t.Errorf("Expected 6, got %s", o)
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}
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if o, err := ttpl("{{.mariner.shot}}", data); err != nil {
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t.Errorf(".mariner.shot: %s", err)
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} else if o != "ALBATROSS" {
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t.Errorf("Expected that mariner shot ALBATROSS")
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}
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if o, err := ttpl("{{.water.water.where}}", data); err != nil {
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t.Errorf(".water.water.where: %s", err)
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} else if o != "everywhere" {
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t.Errorf("Expected water water everywhere")
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}
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}
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func ttpl(tpl string, v map[string]interface{}) (string, error) {
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var b bytes.Buffer
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tt := template.Must(template.New("t").Parse(tpl))
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if err := tt.Execute(&b, v); err != nil {
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return "", err
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}
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return b.String(), nil
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}
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