mo/tests/variable-braces-and-parenthesis

#!/usr/bin/env bash
cd "${0%/*}" || exit 1
. ../run-tests

export array=("wrong0" "item1" "wrong2")
export index=1

# Example #8 is weird because of how the variable name is parsed. Considering
# it's an edge case when a user probably has a bug in a template, I think we're
# good leaving it as-is until a bug report is filed.

template() {
    cat <<'EOF'
Starting point:
1 "{{ array.1 }}" = "item1"

Whole expression:
2 "{{ {'array.' index} }}" = "array.1"
3 "{{ ('array.' index) }}" = "item1"

Partial expression:
4 "{{ 'array.' {index} }}" = "array.1"
5 "{{ 'array.' (index) }}" = "array."

Combined:
6 "{{ {'array.' {index}} }}" = "array.1"
7 "{{ {'array.' (index)} }}" = "array."
8 "{{ ('array.' (index)) }}" = "wrong0,item1,wrong2"
9 "{{ ('array.' {index}) }}" = "item1"
EOF
}

expected() {
    cat <<'EOF'
Starting point:
1 "item1" = "item1"

Whole expression:
2 "array.1" = "array.1"
3 "item1" = "item1"

Partial expression:
4 "array.1" = "array.1"
5 "array." = "array."

Combined:
6 "array.1" = "array.1"
7 "array." = "array."
8 "wrong0,item1,wrong2" = "wrong0,item1,wrong2"
9 "item1" = "item1"
EOF
}
runTest