---
test case: Expand '{$A}' with {$A}=1
in:
  macros:
    - hostid: 1
      name: '{$A}'
      value: 1
  params: '{$A}'
out:
  params: '1'
---
test case: Expand '{$A}' with {$A}=(1)
in:
  macros:
    - hostid: 1
      name: '{$A}'
      value: (1)
  params: '{$A}'
out:
  params: '"(1)"'
---
test case: Expand '' 
in:
  macros: []
  params: ''
out:
  params: ''
---
test case: Expand ' '
in:
  macros: []
  params: ' '
out:
  params: ''
---
test case: Expand '{$A}'
in:
  macros: []
  params: '{$A}'
out:
  params: '{$A}'
---
test case: Expand ',' 
in:
  macros: []
  params: ','
out:
  params: ','
---
test case: Expand '{$A}' with {$A}="1"
in:
  macros:
    - hostid: 1
      name: '{$A}'
      value: '"1"'
  params: '{$A}'
out:
  params: '"\"1\""'
---
test case: Expand '"{$A}"' with {$A}=1
in:
  macros:
    - hostid: 1
      name: '{$A}'
      value: 1
  params: '"{$A}"'
out:
  params: '"1"'
---
test case: Expand '1 ,2 ,3 ' 
in:
  macros: []
  params: '1 ,2 ,3 '
out:
  params: '1 ,2 ,3 '
---
test case: Expand '1 , ,3 ' 
in:
  macros: []
  params: '1 , ,3 '
out:
  params: '1 ,,3 '
---
test case: Expand ',2 ,3 ' 
in:
  macros: []
  params: ',2 ,3 '
out:
  params: ',2 ,3 '
---
test case: Expand '{$A} ,{$B} ,{$C} with {$A}=1, {$B}="2", {$C}=(3)' 
in:
  macros: 
    - hostid: 1
      name: '{$A}'
      value: 1
    - hostid: 1
      name: '{$B}'
      value: '"2"'
    - hostid: 1
      name: '{$C}'
      value: (3)
  params: '{$A} ,{$B} ,{$C} '
out:
  params: '1 ,"\"2\" ","(3) "'
---
test case: Expand '{$A}{$B}{$C} with {$A}=1, {$B}="2", {$C}=(3)' 
in:
  macros: 
    - hostid: 1
      name: '{$A}'
      value: 1
    - hostid: 1
      name: '{$B}'
      value: '"2"'
    - hostid: 1
      name: '{$C}'
      value: (3)
  params: '{$A}{$B}{$C}'
out:
  params: '"1\"2\"(3)"'
---
test case: Expand '{$A}' with {$A}=1,2,3
in:
  macros:
    - hostid: 1
      name: '{$A}'
      value: 1,2,3
  params: '{$A}'
out:
  params: '"1,2,3"'
---
test case: Expand '{$A},{$B}' with {$A}='', {$B}=''
in:
  macros:
    - hostid: 1
      name: '{$A}'
      value: ''
    - hostid: 1
      name: '{$B}'
      value: ''
  params: '{$A},{$B}'
out:
  params: ','
...