1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169

use arbitrary::Result;

use crate::{
    directive::Directive, name::Name, selection_set::SelectionSet, ty::Ty, DocumentBuilder,
};

/// The __fragmentDef type represents a fragment definition
///
/// *FragmentDefinition*:
///     fragment FragmentName TypeCondition Directives? SelectionSet
///
/// Detailed documentation can be found in [GraphQL spec](https://spec.graphql.org/October2021/#FragmentDefinition).
#[derive(Debug)]
pub struct FragmentDef {
    pub(crate) name: Name,
    pub(crate) type_condition: TypeCondition,
    pub(crate) directives: Vec<Directive>,
    pub(crate) selection_set: SelectionSet,
}

impl From<FragmentDef> for apollo_encoder::FragmentDefinition {
    fn from(frag_def: FragmentDef) -> Self {
        let mut new_frag_def = apollo_encoder::FragmentDefinition::new(
            frag_def.name.into(),
            frag_def.type_condition.into(),
            frag_def.selection_set.into(),
        );
        frag_def
            .directives
            .into_iter()
            .for_each(|directive| new_frag_def.directive(directive.into()));

        new_frag_def
    }
}

/// The __fragmentSpread type represents a named fragment used in a selection set.
///
/// *FragmentSpread*:
///     ... FragmentName Directives?
///
/// Detailed documentation can be found in [GraphQL spec](https://spec.graphql.org/October2021/#FragmentSpread).
#[derive(Debug)]
pub struct FragmentSpread {
    pub(crate) name: Name,
    pub(crate) directives: Vec<Directive>,
}

impl From<FragmentSpread> for apollo_encoder::FragmentSpread {
    fn from(fragment_spread: FragmentSpread) -> Self {
        let mut new_fragment_spread = Self::new(fragment_spread.name.into());
        fragment_spread
            .directives
            .into_iter()
            .for_each(|directive| new_fragment_spread.directive(directive.into()));

        new_fragment_spread
    }
}

/// The __inlineFragment type represents an inline fragment in a selection set that could be used as a field
///
/// *InlineFragment*:
///     ... TypeCondition? Directives? SelectionSet
///
/// Detailed documentation can be found in [GraphQL spec](https://spec.graphql.org/October2021/#sec-Inline-Fragments).
#[derive(Debug)]
pub struct InlineFragment {
    pub(crate) type_condition: Option<TypeCondition>,
    pub(crate) directives: Vec<Directive>,
    pub(crate) selection_set: SelectionSet,
}

impl From<InlineFragment> for apollo_encoder::InlineFragment {
    fn from(inline_fragment: InlineFragment) -> Self {
        let mut new_inline_fragment = Self::new(inline_fragment.selection_set.into());
        new_inline_fragment.type_condition(inline_fragment.type_condition.map(Into::into));
        inline_fragment
            .directives
            .into_iter()
            .for_each(|directive| new_inline_fragment.directive(directive.into()));

        new_inline_fragment
    }
}

/// The __typeCondition type represents where a fragment could be applied
///
/// *TypeCondition*:
///     on NamedType
///
/// Detailed documentation can be found in [GraphQL spec](https://spec.graphql.org/October2021/#TypeCondition).
#[derive(Debug)]
pub struct TypeCondition {
    name: Name,
}

impl From<TypeCondition> for apollo_encoder::TypeCondition {
    fn from(ty_cond: TypeCondition) -> Self {
        Self::new(ty_cond.name.into())
    }
}

impl<'a> DocumentBuilder<'a> {
    /// Create an arbitrary `FragmentDef`
    pub fn fragment_definition(&mut self) -> Result<FragmentDef> {
        let name = self.type_name()?;
        let directives = self.directives()?;
        let selection_set = self.selection_set()?;
        let type_condition = self.type_condition()?;

        Ok(FragmentDef {
            name,
            type_condition,
            directives,
            selection_set,
        })
    }

    /// Create an arbitrary `FragmentSpread`, returns `None` if no fragment definition was previously created
    pub fn fragment_spread(&mut self, excludes: &mut Vec<Name>) -> Result<Option<FragmentSpread>> {
        let available_fragment: Vec<&FragmentDef> = self
            .fragment_defs
            .iter()
            .filter(|f| excludes.contains(&f.name))
            .collect();

        let name = if !available_fragment.is_empty() {
            return Ok(None);
        } else {
            self.u.choose(&available_fragment)?.name.clone()
        };
        let directives = self.directives()?;
        excludes.push(name.clone());

        Ok(Some(FragmentSpread { name, directives }))
    }

    /// Create an arbitrary `InlineFragment`
    pub fn inline_fragment(&mut self) -> Result<InlineFragment> {
        let type_condition = self
            .u
            .arbitrary()
            .unwrap_or(false)
            .then(|| self.type_condition())
            .transpose()?;
        let selection_set = self.selection_set()?;
        let directives = self.directives()?;

        Ok(InlineFragment {
            type_condition,
            directives,
            selection_set,
        })
    }

    /// Create an arbitrary `TypeCondition`
    pub fn type_condition(&mut self) -> Result<TypeCondition> {
        let named_types: Vec<Ty> = self
            .list_existing_object_types()
            .into_iter()
            .filter(Ty::is_named)
            .collect();

        Ok(TypeCondition {
            name: self.choose_named_ty(&named_types)?.name().clone(),
        })
    }
}