125 lines
5.5 KiB
Go
125 lines
5.5 KiB
Go
package fejkdata
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import (
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"strings"
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"testing"
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)
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// sameRenders holds long to render as short does, draw for draw under one seed.
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func sameRenders(t *testing.T, long, short string) {
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t.Helper()
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l, s := compiled(t, long), compiled(t, short)
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fl, fs := engine(1), engine(1)
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for i := 0; i < 20; i++ {
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if a, b := renderOnce(fl.drawState, l), renderOnce(fs.drawState, s); a != b {
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t.Fatalf("%s rendered %q where %s rendered %q", long, a, short, b)
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}
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}
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}
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func TestOneItemChoiceIsItsItem(t *testing.T) {
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for long, short := range map[string]string{
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`["x"]`: `"x"`,
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`[{"format":"{d}","d":["x","y"]}]`: `{"format":"{d}","d":["x","y"]}`,
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`{"format":"{w}","w":["only"]}`: `{"format":"{w}","w":"only"}`,
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`{"format":"{w}","w":[["a","b"]]}`: `{"format":"{w}","w":["a","b"]}`,
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} {
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sameRenders(t, long, short)
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}
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if r, isTemplate := compiled(t, `[{"format":"","d":"x"}]`).(*template); !isTemplate || !r.isRecord {
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t.Error("a one-item choice of a record is no record, want the record it holds")
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}
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}
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func TestAPartThatDoesNothingIsIgnored(t *testing.T) {
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for long, short := range map[string]string{
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`{"format":"a","weight":2}`: `"a"`,
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`{"format":"a","weight":0}`: `"a"`,
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`{"format":"{x}","x":{"format":"a","weight":2}}`: `{"format":"{x}","x":"a"}`,
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`[{"format":"a","weight":2}]`: `"a"`,
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`{"format":"{x}","x":["a","b"],"separator":","}`: `{"format":"{x}","x":["a","b"]}`,
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`{"format":"{n}","repeat":2,"n":{"format":"1","datatype":"integer"}}`: `{"format":"{n}","repeat":2,"n":"1"}`,
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`[{"format":"1","datatype":"integer"},"x"]`: `["1","x"]`,
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`null`: `""`,
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`{"format":"{p}","p":{"format":"{x}","x":[null,"a"]}}`: `{"format":"{p}","p":{"format":"{x}","x":["","a"]}}`,
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`[{"format":"a","weight":0},"b"]`: `"b"`,
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`"{int(5,5)}"`: `"5"`,
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`"{float(1,1,2)}"`: `"1.00"`,
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`"{date(1990-01-01,1990-01-01,'2006-01-02')}"`: `"1990-01-01"`,
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`"{date(1990-01-01,1990-12-31,'x')}"`: `"x"`,
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`"{time('x')}"`: `"x"`,
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} {
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sameRenders(t, long, short)
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}
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for _, src := range []string{`"{date(1990-01-01,1990-12-31,'15:04')}"`, `"{time('2006-01-02 15:04')}"`} {
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if _, err := resolved(t, src); err != nil {
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t.Errorf("compile(%s) = %v, want a layout of either kind rendered", src, err)
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}
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}
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}
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func TestAJSONNumberOrBooleanIsItsText(t *testing.T) {
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f := newGenerator(t, writeData(t, map[string]string{
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"n": `{"format":"{a} {b} {c} {d}","a":5,"b":1.50,"c":12345678901234567890,"d":true}`,
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"l": `[1e3]`,
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}), WithSeed(1))
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if v := fake(t, f, "n"); v != "5 1.50 12345678901234567890 true" {
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t.Errorf("n = %q, want each number and boolean as written", v)
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}
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if v := fake(t, f, "l"); v != "1e3" {
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t.Errorf("l = %q, want 1e3 as written", v)
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}
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for in, want := range map[string]string{"42": "42", " false ": "false", "[7]": "7"} {
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if v, err := f.FakeTemplate(in); err != nil || v != want {
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t.Errorf("FakeTemplate(%q) = %q, %v, want %q", in, v, err, want)
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}
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}
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}
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func TestARepeatedItemCountsAsWritten(t *testing.T) {
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for _, src := range []string{`["a", "a", "b"]`, `[{"format":"{x}","x":"1"},{"format":"{x}","x":"1"}]`, `{"format":"{w}","w":["", "", "x"]}`, `{"format":"","w":[null,null,"a"]}`, `{"format":"{x|x|y}","x":"1","y":"2"}`} {
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if _, err := resolved(t, src); err != nil {
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t.Errorf("compile(%s) = %v, want it loaded", src, err)
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}
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}
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f, n, as := engine(1), compiled(t, `["a", "a", "b"]`), 0
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for i := 0; i < 600; i++ {
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if renderOnce(f.drawState, n) == "a" {
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as++
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}
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}
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if as < 340 || as > 460 {
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t.Errorf(`["a","a","b"] drew a %d times in 600, want about 400`, as)
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}
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}
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func TestADefaultWrittenOutIsTheDefault(t *testing.T) {
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for long, short := range map[string]string{
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`{"format":"Malmö"}`: `"Malmö"`,
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`{"format":"{digits(3)}"}`: `"{digits(3)}"`,
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`[{"format":"a","weight":1},"b"]`: `["a","b"]`,
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`{"format":"{x}","x":["a","b"],"repeat":1}`: `{"format":"{x}","x":["a","b"]}`,
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`{"format":"{x}","x":["a","b"],"repeat":2,"separator":""}`: `{"format":"{x}","x":["a","b"],"repeat":2}`,
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`{"format":"","n":{"format":"{x}","x":["1","2"],"datatype":"string"}}`: `{"format":"","n":{"format":"{x}","x":["1","2"]}}`,
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`{"format":"a","weight":1}`: `"a"`,
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`[{"format":"a","weight":1}]`: `"a"`,
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`{"format":"{x}","x":{"format":"a","weight":1}}`: `{"format":"{x}","x":"a"}`,
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`{"format":"{x}","x":["a","b"],"separator":""}`: `{"format":"{x}","x":["a","b"]}`,
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} {
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sameRenders(t, long, short)
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}
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if r := compiled(t, `{"format":"","n":{"format":"1","datatype":"string"}}`).(*template); !r.isRecord || *r.fields["n"].(*template).datatype != DataTypeString {
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t.Error("a column of datatype string is no string column of a record")
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}
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}
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func TestInlineFolderSigilsAreRejected(t *testing.T) {
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f := shipped(t)
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for _, input := range []string{"{.sv_SE.person.last}", "{..sv_SE.person.last}"} {
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_, err := f.NewTemplate(input)
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if err == nil || !strings.Contains(err.Error(), "write {/sv_SE.person.last}") {
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t.Errorf("NewTemplate(%q) = %v, want an error naming the root spelling", input, err)
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}
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}
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}
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