---
test case: cpu{type="intel"} == 1
in: 
  filter: cpu{type="intel"} == 1
out:
  return: SUCCEED
  metric:
    pattern: cpu
    op: =
  value:
    pattern: 1
    op: ==
  labels:
    - key: type
      pattern: intel
      op: =
---
test case: '{__name__="cpu", type="intel"}'
in: 
  filter: '{__name__="cpu", type="intel"}'
out:
  return: SUCCEED
  metric:
    pattern: cpu
    op: =
  labels:
    - key: type
      pattern: intel
      op: =
---
test case: '{__name__="cpu", type="intel", cores=~"4"}'
in: 
  filter: '{__name__="cpu", type="intel", cores=~"4"}'
out:
  return: SUCCEED
  metric:
    pattern: cpu
    op: =
  labels:
    - key: type
      pattern: intel
      op: =
    - key: cores
      pattern: 4
      op: =~
---
test case: cpu == 1
in: 
  filter: cpu == 1
out:
  return: SUCCEED
  metric:
    pattern: cpu
    op: =
  value:
    pattern: 1
    op: ==
---
test case: 'cpu{decription="CPU \"Intel\""}'
in: 
  filter: 'cpu{decription=~"CPU \"Intel\""}'
out:
  return: SUCCEED
  metric:
    pattern: cpu
    op: =
  labels:
    - key: decription
      pattern: CPU "Intel"
      op: =~
---
test case: 'cpu{__name__="cpu"}'
in: 
  filter: 'cpu{__name__="cpu"}'
out:
  return: FAIL
---
test case: '{__name__="cpu", __name__="cpu"}'
in: 
  filter: '{__name__="cpu", __name__="cpu"}'
out:
  return: FAIL
---
test case: cpu = 1
in: 
  filter: cpu = 1
out:
  return: FAIL
---
test case: cpu =~ 1
in: 
  filter: cpu =~ 1
out:
  return: FAIL
---
test case: cpu{type=="intel"} == 1
in: 
  filter: cpu{type=="intel"} == 1
out:
  return: FAIL
---
test case: Empty
in: 
  filter: ""
out:
  return: SUCCEED
---
test case: sensor == Nan
in: 
  filter: sensor == Nan
out:
  return: SUCCEED
  metric:
    pattern: sensor
    op: =
  value:
    pattern: nan
    op: ==
---
test case: sensor == +Nan
in: 
  filter: sensor == +Nan
out:
  return: FAIL
---
test case: sensor == +Inf
in: 
  filter: sensor == +Inf
out:
  return: SUCCEED
  metric:
    pattern: sensor
    op: =
  value:
    pattern: +inf
    op: ==
---
test case: sensor == -.1
in: 
  filter: sensor == -.1
out:
  return: SUCCEED
  metric:
    pattern: sensor
    op: =
  value:
    pattern: -.1
    op: ==
---
test case: sensor == -.1e2
in: 
  filter: sensor == -.1e2
out:
  return: SUCCEED
  metric:
    pattern: sensor
    op: =
  value:
    pattern: -.1e2
    op: ==
---
test case: sensor == +1.
in: 
  filter: sensor == +1.
out:
  return: SUCCEED
  metric:
    pattern: sensor
    op: =
  value:
    pattern: +1.
    op: ==
---
test case: sensor == +1.e2
in: 
  filter: sensor == +1.e2
out:
  return: SUCCEED
  metric:
    pattern: sensor
    op: =
  value:
    pattern: +1.e2
    op: ==
---
test case: sensor == +1.0000
in: 
  filter: sensor == +1.0000
out:
  return: SUCCEED
  metric:
    pattern: sensor
    op: =
  value:
    pattern: +1.0000
    op: ==
---
test case: sensor == +1.0000e-2
in: 
  filter: sensor == +1.0000e-2
out:
  return: SUCCEED
  metric:
    pattern: sensor
    op: =
  value:
    pattern: +1.0000e-2
    op: ==
---
test case: sensor == .
in: 
  filter: sensor == .
out:
  return: FAIL
---
test case: sensor == 1e
in: 
  filter: sensor == 1e
out:
  return: FAIL
---
test case: sensor == 1e1 1
in: 
  filter: sensor == 1e1 1
out:
  return: FAIL
---
test case: '{type="intel"cores="4"}'
in: 
  filter: '{type="intel"cores=~"4"}'
out:
  return: FAIL
---
test case: '{}'
in: 
  filter: '{}'
out:
  return: SUCCEED
---
test case: '  {vendor="intel", cores="4"}  '
in: 
  filter: '  {vendor="intel", cores="4"}  '
out:
  return: SUCCEED
  labels:
    - key: vendor
      pattern: intel
      op: =
    - key: cores
      pattern: 4
      op: =
---
test case: '  cpu  '
in: 
  filter: '  cpu  '
out:
  return: SUCCEED
  metric:
    pattern: cpu
    op: =
---
test case: '{vendor="intel", cores="4",}'
in: 
  filter: '{vendor="intel", cores="4",}'
out:
  return: SUCCEED
  labels:
    - key: vendor
      pattern: intel
      op: =
    - key: cores
      pattern: 4
      op: =
---
test case: '{vendor="intel" , }'
in: 
  filter: '{vendor="intel" ,}'
out:
  return: SUCCEED
  labels:
    - key: vendor
      pattern: intel
      op: =
---
test case: '{vendor="intel",,}'
in: 
  filter: '{vendor="intel",,}'
out:
  return: FAIL
---
test case: '{vendor="intel \x"}'
in: 
  filter: '{vendor="intel \x"}'
out:
  return: FAIL
---
test case: 'cpu{__="intel"}'
in: 
  filter: 'cpu{__="intel"}'
out:
  return: SUCCEED
  metric:
    pattern: cpu
    op: =
  labels:
    - key: __
      pattern: intel
      op: =
---
test case: sensor == NAN
in: 
  filter: sensor == NAN
out:
  return: SUCCEED
  metric:
    pattern: sensor
    op: =
  value:
    pattern: nan
    op: ==
---
test case: sensor == nan
in: 
  filter: sensor == nan
out:
  return: SUCCEED
  metric:
    pattern: sensor
    op: =
  value:
    pattern: nan
    op: ==
---
test case: sensor == NaN
in: 
  filter: sensor == NaN
out:
  return: SUCCEED
  metric:
    pattern: sensor
    op: =
  value:
    pattern: nan
    op: ==
---
test case: sensor == nAn
in: 
  filter: sensor == nAn
out:
  return: SUCCEED
  metric:
    pattern: sensor
    op: =
  value:
    pattern: nan
    op: ==
---
test case: sensor == +INF
in: 
  filter: sensor == +INF
out:
  return: SUCCEED
  metric:
    pattern: sensor
    op: =
  value:
    pattern: +inf
    op: ==
---
test case: sensor == -inf
in: 
  filter: sensor == -inf
out:
  return: SUCCEED
  metric:
    pattern: sensor
    op: =
  value:
    pattern: -inf
    op: ==
---
test case: sensor == InF
in: 
  filter: sensor == InF
out:
  return: SUCCEED
  metric:
    pattern: sensor
    op: =
  value:
    pattern: inf
    op: ==
---
test case: sensor == iNf
in: 
  filter: sensor == iNf
out:
  return: SUCCEED
  metric:
    pattern: sensor
    op: =
  value:
    pattern: inf
    op: ==
...