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Merge pull request #18 from screwdriver-cd/buildfromid
Started screwdriver.API.BuildFromID
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,70 @@ | ||
| package screwdriver | ||
|
|
||
| import ( | ||
| "encoding/json" | ||
| "fmt" | ||
| "io/ioutil" | ||
| "net/http" | ||
| ) | ||
|
|
||
| // API is a Screwdriver API endpoint | ||
| type API interface { | ||
| BuildFromID(buildID string) (Build, error) | ||
| } | ||
|
|
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| type api struct { | ||
| url string | ||
| token string | ||
| client *http.Client | ||
| } | ||
|
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| // New returns a new API object | ||
| func New(url, token string) (API, error) { | ||
| api := api{ | ||
| url, | ||
| token, | ||
| &http.Client{}, | ||
| } | ||
| return API(api), nil | ||
| } | ||
|
|
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| // Build is a Screwdriver Build | ||
| type Build struct { | ||
| ID string `json:"id"` | ||
| JobID string `json:"jobId"` | ||
| } | ||
|
|
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| func (a api) get(url string) ([]byte, error) { | ||
| req, err := http.NewRequest("GET", url, nil) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("Generating request to Screwdriver: %v", err) | ||
| } | ||
| token := fmt.Sprintf("Bearer %s", a.token) | ||
| req.Header.Set("Authorization", token) | ||
|
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| response, err := a.client.Do(req) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("Reading response from Screwdriver: %v", err) | ||
| } | ||
|
|
||
| body, err := ioutil.ReadAll(response.Body) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("Reading response Body from Screwdriver: %v", err) | ||
| } | ||
| return body, nil | ||
| } | ||
|
|
||
| // BuildFromID fetches and returns a Build object from its ID | ||
| func (a api) BuildFromID(buildID string) (build Build, err error) { | ||
| url := fmt.Sprintf("%s/builds/%s", a.url, buildID) | ||
| body, err := a.get(url) | ||
| if err != nil { | ||
| return build, fmt.Errorf("Reading response Body from Screwdriver: %v", err) | ||
| } | ||
|
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| err = json.Unmarshal(body, &build) | ||
| if err != nil { | ||
| return build, fmt.Errorf("Parsing JSON response %q: %v", body, err) | ||
| } | ||
| return build, nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,68 @@ | ||
| package screwdriver | ||
|
|
||
| import ( | ||
| "encoding/json" | ||
| "fmt" | ||
| "net/http" | ||
| "net/http/httptest" | ||
| "net/url" | ||
| "testing" | ||
| ) | ||
|
|
||
| func makeFakeHTTPClient(code int, body string, validator func(req *http.Request)) *http.Client { | ||
| server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { | ||
| validator(r) | ||
| w.WriteHeader(code) | ||
| w.Header().Set("Content-Type", "application/json") | ||
| fmt.Fprintln(w, body) | ||
| })) | ||
|
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||
| transport := &http.Transport{ | ||
| Proxy: func(req *http.Request) (*url.URL, error) { | ||
| return url.Parse(server.URL) | ||
| }, | ||
| } | ||
|
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| return &http.Client{Transport: transport} | ||
| } | ||
|
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| func validateHeader(t *testing.T, key, value string) func(r *http.Request) { | ||
| return func(r *http.Request) { | ||
| headers, ok := r.Header[key] | ||
| if !ok { | ||
| t.Fatalf("No %s header sent in Screwdriver request", key) | ||
| } | ||
| header := headers[0] | ||
| if header != value { | ||
| t.Errorf("%s header = %q, want %q", key, header, value) | ||
| } | ||
| } | ||
| } | ||
|
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| func TestFromBuildId(t *testing.T) { | ||
| want := Build{ | ||
| ID: "testId", | ||
| JobID: "testJob", | ||
| } | ||
| json, err := json.Marshal(want) | ||
| if err != nil { | ||
| t.Fatalf("Unable to Marshal JSON for test: %v", err) | ||
| } | ||
|
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| wantToken := "faketoken" | ||
| wantTokenHeader := fmt.Sprintf("Bearer %s", wantToken) | ||
|
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| validatorFunc := validateHeader(t, "Authorization", wantTokenHeader) | ||
| http := makeFakeHTTPClient(200, string(json), validatorFunc) | ||
|
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| testAPI := api{"http://fakeurl", wantToken, http} | ||
| build, err := testAPI.BuildFromID(want.ID) | ||
|
|
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| if err != nil { | ||
| t.Errorf("Unexpected error from BuildFromID: %v", err) | ||
| } | ||
|
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| if build != want { | ||
| t.Errorf("build == %#v, want %#v", build, want) | ||
| } | ||
| } |