package cmdlang_test import ( "bytes" "context" "testing" "github.com/lmika/cmdlang-proto/cmdlang" "github.com/stretchr/testify/assert" ) func TestInst_Eval(t *testing.T) { tests := []struct { desc string expr string want any }{ {desc: "simple string", expr: `firstarg "hello"`, want: "hello"}, {desc: "simple int 1", expr: `firstarg 123`, want: 123}, {desc: "simple int 2", expr: `firstarg -234`, want: -234}, {desc: "simple ident", expr: `firstarg a-test`, want: "a-test"}, // Sub-expressions {desc: "sub expression 1", expr: `firstarg (sjoin "hello")`, want: "hello"}, {desc: "sub expression 2", expr: `firstarg (sjoin "hello " "world")`, want: "hello world"}, {desc: "sub expression 3", expr: `firstarg (sjoin "hello" (sjoin " ") (sjoin "world"))`, want: "hello world"}, // Variables {desc: "var 1", expr: `firstarg $a`, want: "alpha"}, {desc: "var 2", expr: `firstarg $bee`, want: "buzz"}, {desc: "var 3", expr: `firstarg (sjoin $bee " " $bee " " $bee)`, want: "buzz buzz buzz"}, // Pipeline {desc: "pipe 1", expr: `list "aye" "bee" "see" | joinpipe`, want: "aye,bee,see"}, {desc: "pipe 2", expr: `list "aye" "bee" "see" | map { |x| toUpper $x } | joinpipe`, want: "AYE,BEE,SEE"}, {desc: "pipe 3", expr: `firstarg ["normal"] | map { |x| toUpper $x } | joinpipe`, want: "NORMAL"}, {desc: "pipe literal 1", expr: `"hello" | firstarg`, want: "hello"}, {desc: "pipe literal 2", expr: `["hello" "world"] | joinpipe`, want: "hello,world"}, {desc: "ignored pipe", expr: `(list "aye" | firstarg "ignore me") | joinpipe`, want: "aye"}, // Multi-statements {desc: "multi 1", expr: `firstarg "hello" ; firstarg "world"`, want: "world"}, {desc: "multi 2", expr: `list "hello" | toUpper ; firstarg "world"`, want: "world"}, {desc: "multi 3", expr: `set new "this is new" ; firstarg $new`, want: "this is new"}, // Lists {desc: "list 1", expr: `firstarg ["1" "2" "3"]`, want: []any{"1", "2", "3"}}, {desc: "list 2", expr: `set one "one" ; firstarg [$one (list "two" | map { |x| toUpper $x } | head) "three"]`, want: []any{"one", "TWO", "three"}}, {desc: "list 3", expr: `firstarg []`, want: []any{}}, // Maps {desc: "map 1", expr: `firstarg [one:"1" two:"2" three:"3"]`, want: map[string]any{"one": "1", "two": "2", "three": "3"}}, {desc: "map 2", expr: `firstarg ["one":"1" "two":"2" "three":"3"]`, want: map[string]any{"one": "1", "two": "2", "three": "3"}}, {desc: "map 3", expr: ` set one "one" ; set n1 "1" firstarg [ $one:$n1 (list "two" | map { |x| toUpper $x } | head):(list "2" | map { |x| toUpper $x } | head) three:"3" ]`, want: map[string]any{"one": "1", "TWO": "2", "three": "3"}}, {desc: "map 4", expr: `firstarg [:]`, want: map[string]any{}}, } for _, tt := range tests { t.Run(tt.desc, func(t *testing.T) { ctx := context.Background() outW := bytes.NewBuffer(nil) inst := cmdlang.New(cmdlang.WithOut(outW), cmdlang.WithTestBuiltin()) res, err := inst.Eval(ctx, tt.expr) assert.NoError(t, err) assert.Equal(t, tt.want, res) }) } }