- name: all fragment names are used
  rule: NoUnusedFragments
  schema: 0
  query: |2-
          
          {
            human(id: 4) {
              ...HumanFields1
              ... on Human {
                ...HumanFields2
              }
            }
          }
          fragment HumanFields1 on Human {
            name
            ...HumanFields3
          }
          fragment HumanFields2 on Human {
            name
          }
          fragment HumanFields3 on Human {
            name
          }
          
  errors: []
- name: all fragment names are used by multiple operations
  rule: NoUnusedFragments
  schema: 0
  query: |2-
          
          query Foo {
            human(id: 4) {
              ...HumanFields1
            }
          }
          query Bar {
            human(id: 4) {
              ...HumanFields2
            }
          }
          fragment HumanFields1 on Human {
            name
            ...HumanFields3
          }
          fragment HumanFields2 on Human {
            name
          }
          fragment HumanFields3 on Human {
            name
          }
          
  errors: []
- name: contains unknown fragments
  rule: NoUnusedFragments
  schema: 0
  query: |2-
          
          query Foo {
            human(id: 4) {
              ...HumanFields1
            }
          }
          query Bar {
            human(id: 4) {
              ...HumanFields2
            }
          }
          fragment HumanFields1 on Human {
            name
            ...HumanFields3
          }
          fragment HumanFields2 on Human {
            name
          }
          fragment HumanFields3 on Human {
            name
          }
          fragment Unused1 on Human {
            name
          }
          fragment Unused2 on Human {
            name
          }
          
  errors:
    - message: Fragment "Unused1" is never used.
      locations:
        - {line: 22, column: 7}
    - message: Fragment "Unused2" is never used.
      locations:
        - {line: 25, column: 7}
- name: contains unknown fragments with ref cycle
  rule: NoUnusedFragments
  schema: 0
  query: |2-
          
          query Foo {
            human(id: 4) {
              ...HumanFields1
            }
          }
          query Bar {
            human(id: 4) {
              ...HumanFields2
            }
          }
          fragment HumanFields1 on Human {
            name
            ...HumanFields3
          }
          fragment HumanFields2 on Human {
            name
          }
          fragment HumanFields3 on Human {
            name
          }
          fragment Unused1 on Human {
            name
            ...Unused2
          }
          fragment Unused2 on Human {
            name
            ...Unused1
          }
          
  errors:
    - message: Fragment "Unused1" is never used.
      locations:
        - {line: 22, column: 7}
    - message: Fragment "Unused2" is never used.
      locations:
        - {line: 26, column: 7}
- name: contains unknown and undef fragments
  rule: NoUnusedFragments
  schema: 0
  query: |2-
          
          query Foo {
            human(id: 4) {
              ...bar
            }
          }
          fragment foo on Human {
            name
          }
          
  errors:
    - message: Fragment "foo" is never used.
      locations:
        - {line: 7, column: 7}