Refactor server and planner expectation

Makefile

@@ -1,4 +1,4 @@
-MODULE_NAME=grpcmock
+MODULE_NAME = grpcmock
 
 VENDOR_DIR = vendor
 

codecov.yml

@@ -1,4 +1,5 @@
 ignore:
     - "features/**/*"
     - "internal/**/*"
+    - "request/*"
     - "options.go"

go.mod

@@ -27,7 +27,7 @@ require (
 	golang.org/x/net v0.5.0 // indirect
 	golang.org/x/sys v0.4.0 // indirect
 	golang.org/x/text v0.6.0 // indirect
-	google.golang.org/genproto v0.0.0-20230119192704-9d59e20e5cd1 // indirect
+	google.golang.org/genproto v0.0.0-20230202175211-008b39050e57 // indirect
 	gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

go.sum

@@ -1093,8 +1093,8 @@ google.golang.org/genproto v0.0.0-20221114212237-e4508ebdbee1/go.mod h1:rZS5c/ZV
 google.golang.org/genproto v0.0.0-20221117204609-8f9c96812029/go.mod h1:rZS5c/ZVYMaOGBfO68GWtjOw/eLaZM1X6iVtgjZ+EWg=
 google.golang.org/genproto v0.0.0-20221118155620-16455021b5e6/go.mod h1:rZS5c/ZVYMaOGBfO68GWtjOw/eLaZM1X6iVtgjZ+EWg=
 google.golang.org/genproto v0.0.0-20221201164419-0e50fba7f41c/go.mod h1:rZS5c/ZVYMaOGBfO68GWtjOw/eLaZM1X6iVtgjZ+EWg=
-google.golang.org/genproto v0.0.0-20230119192704-9d59e20e5cd1 h1:wSjSSQW7LuPdv3m1IrSN33nVxH/kID6OIKy+FMwGB2k=
-google.golang.org/genproto v0.0.0-20230119192704-9d59e20e5cd1/go.mod h1:RGgjbofJ8xD9Sq1VVhDM1Vok1vRONV+rg+CjzG4SZKM=
+google.golang.org/genproto v0.0.0-20230202175211-008b39050e57 h1:vArvWooPH749rNHpBGgVl+U9B9dATjiEhJzcWGlovNs=
+google.golang.org/genproto v0.0.0-20230202175211-008b39050e57/go.mod h1:RGgjbofJ8xD9Sq1VVhDM1Vok1vRONV+rg+CjzG4SZKM=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=
 google.golang.org/grpc v1.21.1/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=

matcher/payload.go

@@ -1,8 +1,13 @@
 package matcher
 
 import (
+	"encoding/json"
+	"regexp"
+
 	"go.nhat.io/matcher/v2"
 
+	"go.nhat.io/grpcmock/must"
+	"go.nhat.io/grpcmock/streamer"
 	"go.nhat.io/grpcmock/value"
 )
 
@@ -69,3 +74,79 @@ func Payload(m matcher.Matcher, decode PayloadDecoder) *PayloadMatcher {
 		decode:  decode,
 	}
 }
+
+// UnaryPayload initiates a new payload matcher for a unary request.
+func UnaryPayload(in interface{}) *PayloadMatcher {
+	switch v := in.(type) {
+	case []byte, string:
+		return Payload(matcher.JSON(value.String(in)), decodeUnaryPayload)
+
+	case matcher.Matcher,
+		func() matcher.Matcher,
+		*regexp.Regexp:
+		return Payload(matcher.Match(v), decodeUnaryPayload)
+
+	case MatchFn:
+		return Payload(Fn("", v), nil)
+	}
+
+	return Payload(matcher.JSON(in), decodeUnaryPayload)
+}
+
+// ServerStreamPayload initiates a new payload matcher for a server stream request.
+func ServerStreamPayload(in interface{}) *PayloadMatcher {
+	return UnaryPayload(in)
+}
+
+// ClientStreamPayload initiates a new payload matcher for a client stream request.
+func ClientStreamPayload(in interface{}) *PayloadMatcher {
+	switch v := in.(type) {
+	case []byte, string:
+		return Payload(matcher.JSON(value.String(v)), decodeClientStreamPayload)
+
+	case matcher.Matcher,
+		func() matcher.Matcher,
+		*regexp.Regexp:
+		return Payload(matcher.Match(v), decodeClientStreamPayload)
+
+	case MatchFn:
+		return matchClientStreamPayloadWithCustomMatcher("", v)
+
+	case func() (string, MatchFn):
+		return matchClientStreamPayloadWithCustomMatcher(v())
+	}
+
+	return Payload(matcher.JSON(in), decodeClientStreamPayload)
+}
+
+func matchClientStreamPayloadWithCustomMatcher(expected string, match MatchFn) *PayloadMatcher {
+	return Payload(Fn(expected, func(actual interface{}) (bool, error) {
+		in, err := streamer.ClientStreamerPayload(actual.(*streamer.ClientStreamer))
+		// This should never happen because the PayloadMatcher will read the stream first.
+		// If there is an error while reading the stream, it is caught inside the PayloadMatcher.
+		must.NotFail(err)
+
+		return match(in)
+	}), nil)
+}
+
+func decodeUnaryPayload(in interface{}) (string, error) {
+	switch v := in.(type) {
+	case []byte:
+		return string(v), nil
+
+	case string:
+		return v, nil
+	}
+
+	data, err := json.Marshal(in)
+	if err != nil {
+		return "", err
+	}
+
+	return string(data), nil
+}
+
+func decodeClientStreamPayload(in interface{}) (string, error) {
+	return value.Marshal(in)
+}