monwork - readd stringToShellFields

This function was needed as bytes.Fields had some problems with the
quoting.
Now there are test cases too so that errors can be found more easily.

1 files changed, 39 insertions, 0 deletions

diff --git a/cmd/monwork/shell_fields_test.go b/cmd/monwork/shell_fields_test.go
new file mode 100644
index 0000000..4ee55cc
--- /dev/null
+++ b/cmd/monwork/shell_fields_test.go
@@ -0,0 +1,39 @@
+package main
+
+import (
+	"bytes"
+	"fmt"
+	"testing"
+)
+
+func TestStringToShellFields(t *testing.T) {
+	type S struct {
+		source string
+		target []string
+	}
+	for i, e := range []S{
+		S{"foo", []string{"foo"}},
+		S{"foo bar", []string{"foo", "bar"}},
+		S{`foo "bar"`, []string{"foo", `bar`}},
+		S{`foo "bar baz"`, []string{"foo", `bar baz`}},
+		S{`foo "bar" "baz"`, []string{"foo", `bar`, `baz`}},
+		S{`foo "bar" "baz"`, []string{"foo", `bar`, `baz`}},
+	} {
+		result := stringToShellFields([]byte(e.source))
+		if err := compare(e.target, result); err != nil {
+			t.Errorf("test %d did not match: %s", i, err)
+		}
+	}
+}
+
+func compare(source []string, target [][]byte) error {
+	if len(source) != len(target) {
+		return fmt.Errorf("length mismatch %d vs %d", len(source), len(target))
+	}
+	for i, e := range source {
+		if bytes.Compare([]byte(e), target[i]) != 0 {
+			return fmt.Errorf("mismatch in content field %d: %s vs %s", i, e, target[i])
+		}
+	}
+	return nil
+}