Function TestStringFormatHeterogeneousLiteralsV2

ext/formatting_v2_test.go:1030–1072

(t *testing.T)

}

func TestStringFormatHeterogeneousLiteralsV2(t *testing.T) {
	tests := []struct {
		expr string
		out  string
	}{
		{
			expr: `"list: %s".format([[[1, 2, [3.0, 4]]]])`,
			out:  `list: [[1, 2, [3, 4]]]`,
		},
		{
			expr: `"list size: %d".format([[[1, 2, [3.0, 4]]].size()])`,
			out:  `list size: 1`,
		},
		{
			expr: `"list element: %s".format([[[1, 2, [3.0, 4]]][0]])`,
			out:  `list element: [1, 2, [3, 4]]`,
		},
	}
	env, err := cel.NewEnv(Strings(), cel.ASTValidators(cel.ValidateHomogeneousAggregateLiterals()))
	if err != nil {
		t.Fatalf("cel.NewEnv() failed: %v", err)
	}
	for _, tst := range tests {
		tc := tst
		t.Run(tc.expr, func(t *testing.T) {
			ast, iss := env.Compile(tc.expr)
			if iss.Err() != nil {
				t.Fatalf("env.Compile(%q) failed: %v", tc.expr, iss.Err())
			}
			prg, err := env.Program(ast)
			if err != nil {
				t.Fatalf("env.Program() failed: %v", err)
			}
			out, _, err := prg.Eval(cel.NoVars())
			if err != nil {
				t.Fatalf("Eval() failed: %v", err)
			}
			if out.Value() != tc.out {
				t.Errorf("Eval() got %v, wanted %v", out, tc.out)
			}
		})
	}
}