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Test a declared datatype over a column read, repeats counting as written, null alone on stdin, one leading slash, and the CLI's lone reference against the grammar

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Lilleman auf Larv
2026-10-07 22:51:44 +02:00
committed by Lillem4n
parent 43c56b20b9
commit 1a022dbd79
11 changed files with 146 additions and 71 deletions
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datatype_test.go
+29 -6
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@@ -48,17 +48,16 @@ func TestDatatypeRejectsAValueItsTypeRejects(t *testing.T) {
{"a weighted item beside a typed one", `[{"format":"1","datatype":"integer"},{"format":"2","weight":3}]`, `give it "datatype": "integer"`},
{"an item beside a typed column it reads", `["{/src.score}","5"]`, `write it as {"format":"5","datatype":"integer"}`},
{"a typed item beside a string column it reads", `["{/src.code}",{"format":"1","datatype":"integer"}]`, `write it as {"format":"{/src.code}","datatype":"integer"}`},
{"text beside a typed column it reads", `["{/src.score}","n/a"]`, `to read that column as text, write {"format":"{text}","text":"{/src.score}"}`},
{"a datatype over a typed column", `{"format":"{/src.score}","datatype":"integer"}`, `{/src.score} takes datatype integer from the column it reads; drop "datatype"`},
{"text beside a typed column it reads", `["{/src.score}","n/a"]`, `to read that column as text, write "{/src.score}" as {"format":"{/src.score}","datatype":"string"}`},
{"a datatype a typed column's values reject", `{"format":"{/src.score}","datatype":"boolean"}`, "{int(1,9)} prints an integer, not a boolean"},
{"two typed columns it reads", `["{/src.score}","{/src.flag}"]`, `so to read "{/src.score}" as text, write {"format":"{text}","text":"{/src.score}"}`},
{"two typed columns it reads", `["{/src.score}","{/src.flag}"]`, `so to read "{/src.score}" as text, write "{/src.score}" as {"format":"{/src.score}","datatype":"string"}`},
{"a typed column read that holds the datatype declared beside it", `[{"format":"1.5","datatype":"number"},"{/src.score}"]`, `so write "{/src.score}" as {"format":"{/src.score}","datatype":"number"}`},
{"a typed column read holding the datatype of another", `["{/src.ratio}","{/src.score}"]`, `so write "{/src.ratio}" as {"format":"{/src.ratio}","datatype":"integer"}`},
{"text before a typed column it reads", `["n/a","{/src.score}"]`, `to read that column as text, write {"format":"{text}","text":"{/src.score}"}`},
{"text before a typed column it reads", `["n/a","{/src.score}"]`, `to read that column as text, write "{/src.score}" as {"format":"{/src.score}","datatype":"string"}`},
{"a weighted item beside a typed column it reads", `["{/src.score}",{"format":"5","weight":2}]`, `give it "datatype": "integer"`},
{"a typed column read before the datatype it holds", `["{/src.score}",{"format":"1.5","datatype":"number"}]`, `so write "{/src.score}" as {"format":"{/src.score}","datatype":"number"}`},
{"a typed column read beside a datatype it does not hold", `["{/src.score}",{"format":"true","datatype":"boolean"}]`, `so to read "{/src.score}" as text, write {"format":"{text}","text":"{/src.score}"}`},
{"text beside a weighted typed column read", `[{"format":"{/src.score}","weight":3},"n/a"]`, `to read that column as text, set its "format" to "{text}" and add "text": "{/src.score}"`},
{"a typed column read beside a datatype it does not hold", `["{/src.score}",{"format":"true","datatype":"boolean"}]`, `so to read "{/src.score}" as text, write "{/src.score}" as {"format":"{/src.score}","datatype":"string"}`},
{"text beside a weighted typed column read", `[{"format":"{/src.score}","weight":3},"n/a"]`, `to read that column as text, give "{/src.score}" "datatype": "string"`},
{"a value of the column it reads", `{"format":"{/src.code}","datatype":"integer"}`, `"2x" is not an integer`},
{"a null read into text", `{"format":"{x}","x":"{/src.score}","datatype":"integer"}`, "reads a null"},
{"a sample with leading zeros", `{"format":"{digits(3)}","datatype":"integer"}`, "{digits(3)} prints text, not an integer"},
@@ -233,3 +232,27 @@ func TestASignedZeroIsZero(t *testing.T) {
t.Errorf("columns = %+v, want each written as its format", c)
}
}
func TestADeclaredDatatypeOverAColumnRead(t *testing.T) {
f := newGenerator(t, writeData(t, map[string]string{
"src": `{"format":"","score":[null,{"format":"{int(1,9)}","datatype":"integer"}]}`,
"row": `{"format":"","same":{"format":"{/src.score}","datatype":"integer"},"text":{"format":"{/src.score}","datatype":"string"}}`,
}), WithSeed(1))
empty := 0
for i := 0; i < 50; i++ {
r, err := f.FakeRecord("row")
if err != nil {
t.Fatal(err)
}
same, text := r.Columns()[0], r.Columns()[1]
if same.DataType != DataTypeInteger || text.DataType != DataTypeString || text.Null {
t.Fatalf("columns = %+v, want an integer column restated and a string column never null", r.Columns())
}
if text.Value == "" {
empty++
}
}
if empty == 0 {
t.Error(`50 records never read a null as "", want the string column to render one so`)
}
}