Add unit tests for parsing api cmd inputs

internal/cli/api_test.go

@@ -0,0 +1,87 @@
+package cli
+
+import (
+	"net/http"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestAPICmdInputs_FromArgs(t *testing.T) {
+	const testDomain = "example.auth0.com"
+	var testCases = []struct {
+		name           string
+		givenArgs      []string
+		givenDataFlag  string
+		expectedMethod string
+		expectedURL    string
+		expectedError  string
+	}{
+		{
+			name:           "it can correctly parse input arguments",
+			givenArgs:      []string{"get", "/tenants/settings"},
+			expectedMethod: http.MethodGet,
+			expectedURL:    "https://" + testDomain + "/api/v2/tenants/settings",
+		},
+		{
+			name:           "it can correctly parse input arguments and data flag",
+			givenArgs:      []string{"post", "/clients"},
+			givenDataFlag:  `{"name":"genericTest"}`,
+			expectedMethod: http.MethodPost,
+			expectedURL:    "https://" + testDomain + "/api/v2/clients",
+		},
+		{
+			name:           "it can correctly parse input arguments when get method is missing",
+			givenArgs:      []string{"/tenants/settings"},
+			expectedMethod: http.MethodGet,
+			expectedURL:    "https://" + testDomain + "/api/v2/tenants/settings",
+		},
+		{
+			name:           "it can correctly parse input arguments and data flag when post method is missing",
+			givenArgs:      []string{"/clients"},
+			givenDataFlag:  `{"name":"genericTest"}`,
+			expectedMethod: http.MethodPost,
+			expectedURL:    "https://" + testDomain + "/api/v2/clients",
+		},
+		{
+			name:          "it fails to parse input arguments when method is invalid",
+			givenArgs:     []string{"abracadabra", "/clients"},
+			expectedError: "invalid method given: ABRACADABRA, accepting only GET, POST, PUT, PATCH, DELETE",
+		},
+		{
+			name:          "it fails to parse input arguments when data is not a valid JSON",
+			givenArgs:     []string{"patch", "/clients"},
+			givenDataFlag: "{",
+			expectedError: "invalid json data given: {",
+		},
+		{
+			name:          "it fails to parse input arguments when uri is invalid",
+			givenArgs:     []string{"get", "#$%^&*(#$%%^("},
+			expectedError: "invalid uri given: parse \"https://example.auth0.com/api/v2/#$%^&*(#$%%^(\": invalid URL escape \"%^&\"",
+		},
+	}
+
+	for _, testCase := range testCases {
+		t.Run(testCase.name, func(t *testing.T) {
+			if len(testCase.givenArgs) < 1 {
+				t.Fatalf("the test cases need to pass at least 1 argument")
+			}
+
+			actualInputs := &apiCmdInputs{
+				RawData: testCase.givenDataFlag,
+			}
+
+			err := actualInputs.fromArgs(testCase.givenArgs, testDomain)
+
+			if testCase.expectedError != "" {
+				assert.EqualError(t, err, testCase.expectedError)
+				return
+			} else {
+				assert.NoError(t, err)
+			}
+
+			assert.Equal(t, testCase.expectedMethod, actualInputs.Method)
+			assert.Equal(t, testCase.expectedURL, actualInputs.URL.String())
+		})
+	}
+}