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tests: Include UT tests to pkg/api/download
Add unit tests for `pkg/api/download` coverage as 85% Signed-off-by: Kairo de Araujo <[email protected]>
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// 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. | ||
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package api_test | ||
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import ( | ||
"context" | ||
"encoding/json" | ||
"io" | ||
"net/http" | ||
"net/http/httptest" | ||
"os" | ||
"path" | ||
"testing" | ||
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"github.com/in-toto/archivista/pkg/api" | ||
"github.com/in-toto/go-witness/dsse" | ||
"github.com/stretchr/testify/suite" | ||
) | ||
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// Test Suite: UT APIDownload | ||
type UTAPIDownloadSuite struct { | ||
suite.Suite | ||
} | ||
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func TestAPIDownloadSuite(t *testing.T) { | ||
suite.Run(t, new(UTAPIDownloadSuite)) | ||
} | ||
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func (ut *UTAPIDownloadSuite) Test_Download() { | ||
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testEnvelope, err := os.ReadFile("../../test/package.attestation.json") | ||
if err != nil { | ||
ut.FailNow(err.Error()) | ||
} | ||
expectedEnvelop := dsse.Envelope{} | ||
err = json.Unmarshal(testEnvelope, &expectedEnvelop) | ||
if err != nil { | ||
ut.FailNow(err.Error()) | ||
} | ||
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testServer := httptest.NewServer( | ||
http.HandlerFunc( | ||
func(w http.ResponseWriter, r *http.Request) { | ||
w.WriteHeader(http.StatusOK) | ||
_, err = w.Write(testEnvelope) | ||
if err != nil { | ||
ut.FailNow(err.Error()) | ||
} | ||
}, | ||
), | ||
) | ||
defer testServer.Close() | ||
ctx := context.TODO() | ||
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// test api.Download happy flow | ||
resp, err := api.Download(ctx, testServer.URL, "gitoid_test") | ||
if err != nil { | ||
ut.FailNow(err.Error()) | ||
} | ||
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ut.Equal(expectedEnvelop, resp) | ||
} | ||
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func (ut *UTAPIDownloadSuite) Test_Download_DecodeFailure() { | ||
testServer := httptest.NewServer( | ||
http.HandlerFunc( | ||
func(w http.ResponseWriter, r *http.Request) { | ||
w.WriteHeader(http.StatusOK) | ||
_, err := w.Write([]byte(`invalid`)) | ||
if err != nil { | ||
ut.FailNow(err.Error()) | ||
} | ||
}, | ||
), | ||
) | ||
defer testServer.Close() | ||
ctx := context.TODO() | ||
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// test api.Download happy flow | ||
resp, err := api.Download(ctx, testServer.URL, "gitoid_test") | ||
ut.Error(err) | ||
ut.Equal(dsse.Envelope{}, resp) | ||
} | ||
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func (ut *UTAPIDownloadSuite) Test_DownloadWithReader() { | ||
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// mock server | ||
expected := `{"body":"body"}` | ||
testServer := httptest.NewServer( | ||
http.HandlerFunc( | ||
func(w http.ResponseWriter, r *http.Request) { | ||
w.WriteHeader(http.StatusOK) | ||
_, err := w.Write([]byte(expected)) | ||
if err != nil { | ||
ut.FailNow(err.Error()) | ||
} | ||
}, | ||
), | ||
) | ||
defer testServer.Close() | ||
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// context | ||
ctx := context.TODO() | ||
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// temporary file | ||
tempDir := os.TempDir() | ||
dst, err := os.Create(path.Join(tempDir, "test")) | ||
if err != nil { | ||
ut.FailNow(err.Error()) | ||
} | ||
err = api.DownloadWithWriter(ctx, testServer.URL, "gitoid", dst) | ||
if err != nil { | ||
ut.FailNow(err.Error()) | ||
} | ||
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// validate result | ||
result, err := os.ReadFile(path.Join(tempDir, "test")) | ||
if err != nil { | ||
ut.FailNow(err.Error()) | ||
} | ||
ut.Equal(expected, string(result)) | ||
} | ||
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func (ut *UTAPIDownloadSuite) Test_DownloadWithWriter_NoServer() { | ||
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// context | ||
ctx := context.TODO() | ||
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// dst as stdout | ||
var dst io.Writer = os.Stdout | ||
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err := api.DownloadWithWriter(ctx, "http://invalid-archivista", "gitoid_test", dst) | ||
ut.Error(err) | ||
} | ||
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func (ut *UTAPIDownloadSuite) Test_DownloadWithWriter_BadStatusCode() { | ||
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// mock server | ||
testServer := httptest.NewServer( | ||
http.HandlerFunc( | ||
func(w http.ResponseWriter, r *http.Request) { | ||
w.WriteHeader(http.StatusInternalServerError) | ||
_, err := w.Write([]byte(`Internal Server Error`)) | ||
if err != nil { | ||
ut.FailNow(err.Error()) | ||
} | ||
}, | ||
), | ||
) | ||
defer testServer.Close() | ||
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// dst as stdout | ||
var dst io.Writer = os.Stdout | ||
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// context | ||
ctx := context.TODO() | ||
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err := api.DownloadWithWriter(ctx, testServer.URL, "gitoid_test", dst) | ||
ut.ErrorContains(err, "Internal Server Error") | ||
} |