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package validator
import (
"os"
"testing"
"github.com/vektah/gqlparser/v2/gqlerror"
"github.com/stretchr/testify/require"
"github.com/vektah/gqlparser/v2/ast"
"github.com/vektah/gqlparser/v2/parser/testrunner"
)
func TestLoadSchema(t *testing.T) {
t.Run("prelude", func(t *testing.T) {
s, err := LoadSchema(Prelude)
require.NoError(t, err)
boolDef := s.Types["Boolean"]
require.Equal(t, "Boolean", boolDef.Name)
require.Equal(t, ast.Scalar, boolDef.Kind)
require.Equal(t, "The `Boolean` scalar type represents `true` or `false`.", boolDef.Description)
deferDef := s.Directives["defer"]
require.Equal(t, "defer", deferDef.Name, "@defer exists.")
require.Equal(t, "if", deferDef.Arguments[0].Name, "@defer has \"if\" argument.")
require.Equal(t, "label", deferDef.Arguments[1].Name, "@defer has \"label\" argument.")
})
t.Run("swapi", func(t *testing.T) {
file, err := os.ReadFile("testdata/swapi.graphql")
require.NoError(t, err)
s, err := LoadSchema(Prelude, &ast.Source{Input: string(file), Name: "TestLoadSchema"})
require.NoError(t, err)
require.Equal(t, "Query", s.Query.Name)
require.Equal(t, "hero", s.Query.Fields[0].Name)
require.Equal(t, "Human", s.Types["Human"].Name)
require.Equal(t, "Subscription", s.Subscription.Name)
require.Equal(t, "reviewAdded", s.Subscription.Fields[0].Name)
possibleCharacters := s.GetPossibleTypes(s.Types["Character"])
require.Len(t, possibleCharacters, 2)
require.Equal(t, "Human", possibleCharacters[0].Name)
require.Equal(t, "Droid", possibleCharacters[1].Name)
implements := s.GetImplements(s.Types["Droid"])
require.Len(t, implements, 2)
require.Equal(t, "Character", implements[0].Name) // interface
require.Equal(t, "SearchResult", implements[1].Name) // union
})
t.Run("default root operation type names", func(t *testing.T) {
file, err := os.ReadFile("testdata/default_root_operation_type_names.graphql")
require.NoError(t, err)
s, err := LoadSchema(Prelude, &ast.Source{Input: string(file), Name: "TestLoadSchema"})
require.NoError(t, err)
require.Nil(t, s.Mutation)
require.Nil(t, s.Subscription)
require.Equal(t, "Mutation", s.Types["Mutation"].Name)
require.Equal(t, "Subscription", s.Types["Subscription"].Name)
})
t.Run("type extensions", func(t *testing.T) {
file, err := os.ReadFile("testdata/extensions.graphql")
require.NoError(t, err)
s, err := LoadSchema(Prelude, &ast.Source{Input: string(file), Name: "TestLoadSchema"})
require.NoError(t, err)
require.Equal(t, "Subscription", s.Subscription.Name)
require.Equal(t, "dogEvents", s.Subscription.Fields[0].Name)
require.Equal(t, "owner", s.Types["Dog"].Fields[1].Name)
directives := s.Types["Person"].Directives
require.Len(t, directives, 2)
wantArgs := []string{"sushi", "tempura"}
for i, directive := range directives {
require.Equal(t, "favorite", directive.Name)
require.True(t, directive.Definition.IsRepeatable)
for _, arg := range directive.Arguments {
require.Equal(t, wantArgs[i], arg.Value.Raw)
}
}
})
t.Run("interfaces", func(t *testing.T) {
file, err := os.ReadFile("testdata/interfaces.graphql")
require.NoError(t, err)
s, err := LoadSchema(Prelude, &ast.Source{Input: string(file), Name: "interfaces"})
require.NoError(t, err)
implements := s.GetImplements(s.Types["Canine"])
require.Len(t, implements, 1)
require.Equal(t, "Mammal", implements[0].Name)
possibleTypes := s.GetPossibleTypes(s.Types["Mammal"])
require.Len(t, possibleTypes, 1)
require.Equal(t, "Canine", possibleTypes[0].Name)
})
testrunner.Test(t, "./schema_test.yml", func(t *testing.T, input string) testrunner.Spec {
_, err := LoadSchema(Prelude, &ast.Source{Input: input})
if err != nil {
return testrunner.Spec{
Error: err.(*gqlerror.Error),
}
}
return testrunner.Spec{}
})
}
func TestSchemaDescription(t *testing.T) {
s, err := LoadSchema(Prelude, &ast.Source{Name: "graph/schema.graphqls", Input: `
"""
A simple GraphQL schema which is well described.
"""
schema {
query: Query
}
type Query {
entity: String
}
`, BuiltIn: false})
require.NoError(t, err)
want := "A simple GraphQL schema which is well described."
require.Equal(t, want, s.Description)
}
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