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|
package tengo_test
import (
"context"
"testing"
"github.com/d5/tengo/v2"
"github.com/d5/tengo/v2/require"
)
func TestEval(t *testing.T) {
eval := func(
expr string,
params map[string]interface{},
expected interface{},
) {
ctx := context.Background()
actual, err := tengo.Eval(ctx, expr, params)
require.NoError(t, err)
require.Equal(t, expected, actual)
}
eval(`undefined`, nil, nil)
eval(`1`, nil, int64(1))
eval(`19 + 23`, nil, int64(42))
eval(`"foo bar"`, nil, "foo bar")
eval(`[1, 2, 3][1]`, nil, int64(2))
eval(
`5 + p`,
map[string]interface{}{
"p": 7,
},
int64(12),
)
eval(
`"seven is " + p`,
map[string]interface{}{
"p": 7,
},
"seven is 7",
)
eval(
`"" + a + b`,
map[string]interface{}{
"a": 7,
"b": " is seven",
},
"7 is seven",
)
eval(
`a ? "success" : "fail"`,
map[string]interface{}{
"a": 1,
},
"success",
)
}
|
