Improve testing errors for OIDC `authorizeToken` function

authority/provisioner/oidc_test.go

@@ -13,6 +13,7 @@ import (
 	"testing"
 	"time"
 
+	"github.com/stretchr/testify/require"
 	"go.step.sm/crypto/jose"
 
 	"github.com/smallstep/assert"
@@ -221,39 +222,37 @@ func TestOIDC_authorizeToken(t *testing.T) {
 		args       args
 		code       int
 		wantIssuer string
-		wantErr    bool
+		expErr     error
 	}{
-		{"ok1", p1, args{t1}, http.StatusOK, issuer, false},
-		{"ok tenantid", p2, args{t2}, http.StatusOK, tenantIssuer, false},
-		{"ok admin", p3, args{t3}, http.StatusOK, issuer, false},
-		{"ok domain", p3, args{t4}, http.StatusOK, issuer, false},
-		{"ok no email", p3, args{t5}, http.StatusOK, issuer, false},
-		{"fail-domain", p3, args{failDomain}, http.StatusUnauthorized, "", true},
-		{"fail-key", p1, args{failKey}, http.StatusUnauthorized, "", true},
-		{"fail-token", p1, args{failTok}, http.StatusUnauthorized, "", true},
-		{"fail-claims", p1, args{failClaims}, http.StatusUnauthorized, "", true},
-		{"fail-issuer", p1, args{failIss}, http.StatusUnauthorized, "", true},
-		{"fail-audience", p1, args{failAud}, http.StatusUnauthorized, "", true},
-		{"fail-signature", p1, args{failSig}, http.StatusUnauthorized, "", true},
-		{"fail-expired", p1, args{failExp}, http.StatusUnauthorized, "", true},
-		{"fail-not-before", p1, args{failNbf}, http.StatusUnauthorized, "", true},
+		{"ok1", p1, args{t1}, http.StatusOK, issuer, nil},
+		{"ok tenantid", p2, args{t2}, http.StatusOK, tenantIssuer, nil},
+		{"ok admin", p3, args{t3}, http.StatusOK, issuer, nil},
+		{"ok domain", p3, args{t4}, http.StatusOK, issuer, nil},
+		{"ok no email", p3, args{t5}, http.StatusOK, issuer, nil},
+		{"fail-domain", p3, args{failDomain}, http.StatusUnauthorized, "", errors.New(`oidc.AuthorizeToken: validatePayload: failed to validate oidc token payload: email "name@example.com" is not allowed`)},
+		{"fail-key", p1, args{failKey}, http.StatusUnauthorized, "", errors.New(`oidc.AuthorizeToken; cannot validate oidc token`)},
+		{"fail-token", p1, args{failTok}, http.StatusUnauthorized, "", errors.New(`oidc.AuthorizeToken; error parsing oidc token: invalid character '~' looking for beginning of value`)},
+		{"fail-claims", p1, args{failClaims}, http.StatusUnauthorized, "", errors.New(`oidc.AuthorizeToken; error parsing oidc token claims: invalid character '~' looking for beginning of value`)},
+		{"fail-issuer", p1, args{failIss}, http.StatusUnauthorized, "", errors.New(`oidc.AuthorizeToken: validatePayload: failed to validate oidc token payload: square/go-jose/jwt: validation failed, invalid issuer claim (iss)`)},
+		{"fail-audience", p1, args{failAud}, http.StatusUnauthorized, "", errors.New(`oidc.AuthorizeToken: validatePayload: failed to validate oidc token payload: square/go-jose/jwt: validation failed, invalid audience claim (aud)`)},
+		{"fail-signature", p1, args{failSig}, http.StatusUnauthorized, "", errors.New(`oidc.AuthorizeToken; cannot validate oidc token`)},
+		{"fail-expired", p1, args{failExp}, http.StatusUnauthorized, "", errors.New(`oidc.AuthorizeToken: validatePayload: failed to validate oidc token payload: square/go-jose/jwt: validation failed, token is expired (exp)`)},
+		{"fail-not-before", p1, args{failNbf}, http.StatusUnauthorized, "", errors.New(`oidc.AuthorizeToken: validatePayload: failed to validate oidc token payload: square/go-jose/jwt: validation failed, token not valid yet (nbf)`)},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
 			got, err := tt.prov.authorizeToken(tt.args.token)
-			if (err != nil) != tt.wantErr {
-				fmt.Println(tt)
-				t.Errorf("OIDC.Authorize() error = %v, wantErr %v", err, tt.wantErr)
-				return
-			}
-			if err != nil {
+			if tt.expErr != nil {
+				require.Error(t, err)
+				require.EqualError(t, err, tt.expErr.Error())
+
 				var sc render.StatusCodedError
-				assert.Fatal(t, errors.As(err, &sc), "error does not implement StatusCodedError interface")
-				assert.Equals(t, sc.StatusCode(), tt.code)
-				assert.Nil(t, got)
+				require.ErrorAs(t, err, &sc, "error does not implement StatusCodedError interface")
+				require.Equal(t, tt.code, sc.StatusCode())
+				require.Nil(t, got)
 			} else {
-				assert.NotNil(t, got)
-				assert.Equals(t, got.Issuer, tt.wantIssuer)
+				require.NotNil(t, got)
+				require.Equal(t, tt.wantIssuer, got.Issuer)
 			}
 		})
 	}