- name: uses all variables
  rule: NoUnusedVariables
  schema: 0
  query: |2-

          query ($a: String, $b: String, $c: String) {
            field(a: $a, b: $b, c: $c)
          }

  errors: []
- name: uses all variables deeply
  rule: NoUnusedVariables
  schema: 0
  query: |2-

          query Foo($a: String, $b: String, $c: String) {
            field(a: $a) {
              field(b: $b) {
                field(c: $c)
              }
            }
          }

  errors: []
- name: uses all variables deeply in inline fragments
  rule: NoUnusedVariables
  schema: 0
  query: |2-

          query Foo($a: String, $b: String, $c: String) {
            ... on Type {
              field(a: $a) {
                field(b: $b) {
                  ... on Type {
                    field(c: $c)
                  }
                }
              }
            }
          }

  errors: []
- name: uses all variables in fragments
  rule: NoUnusedVariables
  schema: 0
  query: |2-

          query Foo($a: String, $b: String, $c: String) {
            ...FragA
          }
          fragment FragA on Type {
            field(a: $a) {
              ...FragB
            }
          }
          fragment FragB on Type {
            field(b: $b) {
              ...FragC
            }
          }
          fragment FragC on Type {
            field(c: $c)
          }

  errors: []
- name: variable used by fragment in multiple operations
  rule: NoUnusedVariables
  schema: 0
  query: |2-

          query Foo($a: String) {
            ...FragA
          }
          query Bar($b: String) {
            ...FragB
          }
          fragment FragA on Type {
            field(a: $a)
          }
          fragment FragB on Type {
            field(b: $b)
          }

  errors: []
- name: variable used by recursive fragment
  rule: NoUnusedVariables
  schema: 0
  query: |2-

          query Foo($a: String) {
            ...FragA
          }
          fragment FragA on Type {
            field(a: $a) {
              ...FragA
            }
          }

  errors: []
- name: variable not used
  rule: NoUnusedVariables
  schema: 0
  query: |2-

          query ($a: String, $b: String, $c: String) {
            field(a: $a, b: $b)
          }

  errors:
    - message: Variable "$c" is never used.
      locations:
        - {line: 2, column: 38}
- name: multiple variables not used
  rule: NoUnusedVariables
  schema: 0
  query: |2-

          query Foo($a: String, $b: String, $c: String) {
            field(b: $b)
          }

  errors:
    - message: Variable "$a" is never used in operation "Foo".
      locations:
        - {line: 2, column: 17}
    - message: Variable "$c" is never used in operation "Foo".
      locations:
        - {line: 2, column: 41}
- name: variable not used in fragments
  rule: NoUnusedVariables
  schema: 0
  query: |2-

          query Foo($a: String, $b: String, $c: String) {
            ...FragA
          }
          fragment FragA on Type {
            field(a: $a) {
              ...FragB
            }
          }
          fragment FragB on Type {
            field(b: $b) {
              ...FragC
            }
          }
          fragment FragC on Type {
            field
          }

  errors:
    - message: Variable "$c" is never used in operation "Foo".
      locations:
        - {line: 2, column: 41}
- name: multiple variables not used in fragments
  rule: NoUnusedVariables
  schema: 0
  query: |2-

          query Foo($a: String, $b: String, $c: String) {
            ...FragA
          }
          fragment FragA on Type {
            field {
              ...FragB
            }
          }
          fragment FragB on Type {
            field(b: $b) {
              ...FragC
            }
          }
          fragment FragC on Type {
            field
          }

  errors:
    - message: Variable "$a" is never used in operation "Foo".
      locations:
        - {line: 2, column: 17}
    - message: Variable "$c" is never used in operation "Foo".
      locations:
        - {line: 2, column: 41}
- name: variable not used by unreferenced fragment
  rule: NoUnusedVariables
  schema: 0
  query: |2-

          query Foo($b: String) {
            ...FragA
          }
          fragment FragA on Type {
            field(a: $a)
          }
          fragment FragB on Type {
            field(b: $b)
          }

  errors:
    - message: Variable "$b" is never used in operation "Foo".
      locations:
        - {line: 2, column: 17}
- name: variable not used by fragment used by other operation
  rule: NoUnusedVariables
  schema: 0
  query: |2-

          query Foo($b: String) {
            ...FragA
          }
          query Bar($a: String) {
            ...FragB
          }
          fragment FragA on Type {
            field(a: $a)
          }
          fragment FragB on Type {
            field(b: $b)
          }

  errors:
    - message: Variable "$b" is never used in operation "Foo".
      locations:
        - {line: 2, column: 17}
    - message: Variable "$a" is never used in operation "Bar".
      locations:
        - {line: 5, column: 17}