82 lines
2.5 KiB
Go
82 lines
2.5 KiB
Go
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package cmdlang_test
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import (
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"bytes"
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"context"
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"github.com/lmika/cmdlang-proto/cmdlang"
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"github.com/stretchr/testify/assert"
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"testing"
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)
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func TestInst_Eval(t *testing.T) {
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tests := []struct {
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desc string
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expr string
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want string
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}{
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{desc: "simple string", expr: `firstarg "hello"`, want: "hello"},
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// Sub-expressions
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{desc: "sub expression 1", expr: `firstarg (echo "hello")`, want: "hello"},
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{desc: "sub expression 2", expr: `firstarg (echo "hello " "world")`, want: "hello world"},
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{desc: "sub expression 3", expr: `firstarg (echo "hello" (echo " ") (echo "world"))`, want: "hello world"},
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// Variables
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{desc: "var 1", expr: `firstarg $a`, want: "alpha"},
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{desc: "var 2", expr: `firstarg $bee`, want: "buzz"},
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{desc: "var 3", expr: `firstarg (echo $bee " " $bee " " $bee)`, want: "buzz buzz buzz"},
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// Pipeline
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{desc: "pipe 1", expr: `pipe "aye" "bee" "see" | joinpipe`, want: "aye,bee,see"},
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{desc: "pipe 2", expr: `pipe "aye" "bee" "see" | toUpper | joinpipe`, want: "AYE,BEE,SEE"},
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{desc: "ignored pipe", expr: `pipe "aye" "bee" "see" | firstarg "ignore me"`, want: "ignore me"}, // TODO: check for leaks
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// Multi-statements
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{desc: "multi 1", expr: `firstarg "hello" ; firstarg "world"`, want: "world"},
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{desc: "multi 2", expr: `pipe "hello" | toUpper ; firstarg "world"`, want: "world"}, // TODO: assert for leaks
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{desc: "multi 3", expr: `set new "this is new" ; firstarg $new`, want: "this is new"},
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}
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for _, tt := range tests {
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t.Run(tt.desc, func(t *testing.T) {
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ctx := context.Background()
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outW := bytes.NewBuffer(nil)
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inst := cmdlang.New(cmdlang.WithOut(outW), cmdlang.WithTestBuiltin())
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res, err := inst.Eval(ctx, tt.expr)
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assert.NoError(t, err)
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assert.Equal(t, tt.want, res)
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})
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}
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}
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func TestInst_Builtins(t *testing.T) {
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t.Run("echo", func(t *testing.T) {
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tests := []struct {
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desc string
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expr string
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want string
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}{
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{desc: "no args", expr: `echo`, want: "\n"},
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{desc: "single arg", expr: `echo "hello"`, want: "hello\n"},
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{desc: "dual args", expr: `echo "hello " "world"`, want: "hello world\n"},
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{desc: "args to singleton stream", expr: `echo "aye" "bee" "see" | toUpper`, want: "AYEBEESEE\n"},
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}
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for _, tt := range tests {
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t.Run(tt.desc, func(t *testing.T) {
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ctx := context.Background()
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outW := bytes.NewBuffer(nil)
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inst := cmdlang.New(cmdlang.WithOut(outW), cmdlang.WithTestBuiltin())
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err := inst.EvalAndDisplay(ctx, tt.expr)
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assert.NoError(t, err)
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assert.Equal(t, tt.want, outW.String())
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})
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}
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})
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}
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