tests: Include UT tests to pkg/api/graphql

Add unit tests for `pkg/api/graphql` coverage as 86%

Signed-off-by: Kairo de Araujo <[email protected]>

pkg/api/graphql_test.go

@@ -0,0 +1,161 @@
+// Copyright 2023 The Archivista Contributors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package api_test
+
+import (
+	"context"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"github.com/in-toto/archivista/pkg/api"
+	"github.com/stretchr/testify/suite"
+)
+
+// Test Suite: UT APIStore
+type UTAPIGraphQLSuite struct {
+	suite.Suite
+}
+
+func TestAPIGraphQLSuite(t *testing.T) {
+	suite.Run(t, new(UTAPIGraphQLSuite))
+}
+
+func (ut *UTAPIGraphQLSuite) Test_Store() {
+
+	testServer := httptest.NewServer(
+		http.HandlerFunc(
+			func(w http.ResponseWriter, r *http.Request) {
+				w.WriteHeader(http.StatusOK)
+				_, err := w.Write([]byte(`{"data": {"data": "test"}}`))
+				if err != nil {
+					ut.FailNow(err.Error())
+				}
+			},
+		),
+	)
+	defer testServer.Close()
+	ctx := context.TODO()
+
+	type testSubjectVar struct {
+		Gitoid string `json:"gitoid"`
+	}
+
+	type testSubjectResult struct {
+		Data string `json:"data"`
+	}
+	result, err := api.GraphQlQuery[testSubjectResult](ctx, testServer.URL, `query`, testSubjectVar{Gitoid: "test_Gitoid"})
+	ut.NoError(err)
+	ut.Equal(testSubjectResult{Data: "test"}, result)
+}
+
+func (ut *UTAPIGraphQLSuite) Test_Store_NoServer() {
+
+	ctx := context.TODO()
+
+	type testSubjectVar struct {
+		Gitoid string `json:"gitoid"`
+	}
+
+	type testSubjectResult struct {
+		Data string `json:"data"`
+	}
+	result, err := api.GraphQlQuery[testSubjectResult](ctx, "http://invalid-archivista", `query`, testSubjectVar{Gitoid: "test_Gitoid"})
+	ut.Error(err)
+	ut.Equal(testSubjectResult{Data: ""}, result)
+}
+
+func (ut *UTAPIGraphQLSuite) Test_Store_BadStatusCode_NoMsg() {
+
+	testServer := httptest.NewServer(
+		http.HandlerFunc(
+			func(w http.ResponseWriter, r *http.Request) {
+				w.WriteHeader(http.StatusInternalServerError)
+			},
+		),
+	)
+	defer testServer.Close()
+	ctx := context.TODO()
+
+	type testSubjectVar struct {
+		Gitoid string `json:"gitoid"`
+	}
+
+	type testSubjectResult struct {
+		Data string `json:"data"`
+	}
+	result, err := api.GraphQlQuery[testSubjectResult](ctx, testServer.URL, `query`, testSubjectVar{Gitoid: "test_Gitoid"})
+	ut.Error(err)
+	ut.Equal(testSubjectResult{Data: ""}, result)
+}
+
+func (ut *UTAPIGraphQLSuite) Test_Store_InvalidData() {
+
+	testServer := httptest.NewServer(
+		http.HandlerFunc(
+			func(w http.ResponseWriter, r *http.Request) {
+				w.WriteHeader(http.StatusOK)
+				_, err := w.Write([]byte(``))
+				if err != nil {
+					ut.FailNow(err.Error())
+				}
+			},
+		),
+	)
+	defer testServer.Close()
+	ctx := context.TODO()
+
+	type testSubjectVar struct {
+		Gitoid string `json:"gitoid"`
+	}
+
+	type testSubjectResult struct {
+		Data string `json:"data"`
+	}
+	result, err := api.GraphQlQuery[testSubjectResult](ctx, testServer.URL, `query`, testSubjectVar{Gitoid: "test_Gitoid"})
+	ut.Error(err)
+	ut.Equal(testSubjectResult{Data: ""}, result)
+}
+
+func (ut *UTAPIGraphQLSuite) Test_Store_QLReponseWithErrors() {
+
+	testServer := httptest.NewServer(
+		http.HandlerFunc(
+			func(w http.ResponseWriter, r *http.Request) {
+				w.WriteHeader(http.StatusOK)
+				_, err := w.Write([]byte(`{"data": {"data": "test"}, "errors": [{"message": "test_error"}]}}`))
+				if err != nil {
+					ut.FailNow(err.Error())
+				}
+			},
+		),
+	)
+	defer testServer.Close()
+	ctx := context.TODO()
+
+	type testSubjectVar struct {
+		Gitoid string `json:"gitoid"`
+	}
+
+	type testSubjectResult struct {
+		Data   string `json:"data"`
+		Errors string `json:"errors"`
+	}
+
+	result, err := api.GraphQlQuery[testSubjectResult](ctx, testServer.URL, `query`, testSubjectVar{Gitoid: "test_Gitoid"})
+	ut.Error(err)
+	ut.EqualError(err, "graph ql query failed: [{test_error}]")
+	ut.Equal(testSubjectResult{Data: ""}, result)
+}