actually add tests for computing defaults

command/pr_create_test.go

@@ -270,22 +270,7 @@ func (as *askStubber) StubWithDefaults() {
 	as.Stubs = append(as.Stubs, nil)
 }
 
-/*
- there are going to be calls to:
- - git status
- - git push
- - git rev-parse
- - git log
-
- I can handle all that with the new CmdStubber.
-
- For survey, there is going to be:
- - potentially template select Ask
- - title, body Ask
- - Confirm Action Ask
-
-*/
-func TestPRCreate_survey_preview_defaults(t *testing.T) {
+func TestPRCreate_survey_defaults_multicommit(t *testing.T) {
 	initBlankContext("OWNER/REPO", "feature")
 	http := initFakeHTTP()
 	http.StubRepoResponse("OWNER", "REPO")
@@ -345,11 +330,99 @@ func TestPRCreate_survey_preview_defaults(t *testing.T) {
 	}{}
 	json.Unmarshal(bodyBytes, &reqBody)
 
+	expectedBody := "---\n2 commits:\n\n- 12345 commit 0\n- 23456 commit 1\n"
+
 	eq(t, reqBody.Variables.Input.RepositoryID, "REPOID")
-	eq(t, reqBody.Variables.Input.Title, "my title")
-	eq(t, reqBody.Variables.Input.Body, "my body lies")
+	eq(t, reqBody.Variables.Input.Title, "feature")
+	eq(t, reqBody.Variables.Input.Body, expectedBody)
 	eq(t, reqBody.Variables.Input.BaseRefName, "master")
 	eq(t, reqBody.Variables.Input.HeadRefName, "feature")
 
 	eq(t, output.String(), "https://github.com/OWNER/REPO/pull/12\n")
 }
+
+func TestPRCreate_survey_defaults_monocommit(t *testing.T) {
+	initBlankContext("OWNER/REPO", "feature")
+	http := initFakeHTTP()
+	http.StubRepoResponse("OWNER", "REPO")
+	http.StubResponse(200, bytes.NewBufferString(`
+		{ "data": { "createPullRequest": { "pullRequest": {
+			"URL": "https://github.com/OWNER/REPO/pull/12"
+		} } } }
+	`))
+
+	cs, cmdTeardown := initCmdStubber()
+	defer cmdTeardown()
+
+	cs.Stub("")                                                        // git status
+	cs.Stub("1234567890,the sky above the port")                       // git log
+	cs.Stub("was the color of a television, turned to a dead channel") // git show
+	cs.Stub("")                                                        // git rev-parse
+	cs.Stub("")                                                        // git push
+
+	as, surveyTeardown := initAskStubber()
+	defer surveyTeardown()
+
+	as.Stub([]*QuestionStub{
+		&QuestionStub{
+			Name:    "title",
+			Default: true,
+		},
+		&QuestionStub{
+			Name:    "body",
+			Default: true,
+		},
+	})
+	as.Stub([]*QuestionStub{
+		&QuestionStub{
+			Name:  "confirmation",
+			Value: 1,
+		},
+	})
+
+	output, err := RunCommand(prCreateCmd, `pr create`)
+	eq(t, err, nil)
+
+	bodyBytes, _ := ioutil.ReadAll(http.Requests[1].Body)
+	reqBody := struct {
+		Variables struct {
+			Input struct {
+				RepositoryID string
+				Title        string
+				Body         string
+				BaseRefName  string
+				HeadRefName  string
+			}
+		}
+	}{}
+	json.Unmarshal(bodyBytes, &reqBody)
+
+	expectedBody := "was the color of a television, turned to a dead channel"
+
+	eq(t, reqBody.Variables.Input.RepositoryID, "REPOID")
+	eq(t, reqBody.Variables.Input.Title, "the sky above the port")
+	eq(t, reqBody.Variables.Input.Body, expectedBody)
+	eq(t, reqBody.Variables.Input.BaseRefName, "master")
+	eq(t, reqBody.Variables.Input.HeadRefName, "feature")
+
+	eq(t, output.String(), "https://github.com/OWNER/REPO/pull/12\n")
+}
+
+func TestPRCreate_survey_defaults_no_changes(t *testing.T) {
+	initBlankContext("OWNER/REPO", "feature")
+
+	http := initFakeHTTP()
+	http.StubRepoResponse("OWNER", "REPO")
+
+	cs, cmdTeardown := initCmdStubber()
+	defer cmdTeardown()
+
+	cs.Stub("") // git status
+	cs.Stub("") // git log
+
+	_, err := RunCommand(prCreateCmd, `pr create`)
+	if err == nil {
+		t.Error("expected error")
+	}
+	eq(t, err.Error(), "could not compute title or body defaults:  could not find any commits between master and feature")
+}