Update workflowcheck and allow it to handle aliased context (#1642)

Handle aliasing of internal packages in workflow
check

Author: Quinn-With-Two-Ns

contrib/tools/workflowcheck/determinism/checker.go

@@ -31,10 +31,10 @@ import (
 	"reflect"
 	"regexp"
 	"runtime"
+	"slices"
 	"strings"
 	"sync"
 
-	"golang.org/x/exp/slices"
 	"golang.org/x/tools/go/analysis"
 	"golang.org/x/tools/go/types/typeutil"
 )

contrib/tools/workflowcheck/go.mod

@@ -1,16 +1,16 @@
 module go.temporal.io/sdk/contrib/tools/workflowcheck
 
-go 1.20
+go 1.22.0
 
 require (
-	golang.org/x/exp v0.0.0-20230905200255-921286631fa9
-	golang.org/x/tools v0.17.0
+	golang.org/x/tools v0.25.0
 	gopkg.in/yaml.v2 v2.4.0
 )
 
 require (
 	github.com/kr/pretty v0.1.0 // indirect
 	github.com/kr/text v0.2.0 // indirect
-	golang.org/x/mod v0.14.0 // indirect
+	golang.org/x/mod v0.21.0 // indirect
+	golang.org/x/sync v0.8.0 // indirect
 	gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 // indirect
 )

contrib/tools/workflowcheck/go.sum

@@ -1,17 +1,18 @@
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
+github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
+github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
 github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
 github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
-golang.org/x/exp v0.0.0-20230905200255-921286631fa9 h1:GoHiUyI/Tp2nVkLI2mCxVkOjsbSXD66ic0XW0js0R9g=
-golang.org/x/exp v0.0.0-20230905200255-921286631fa9/go.mod h1:S2oDrQGGwySpoQPVqRShND87VCbxmc6bL1Yd2oYrm6k=
-golang.org/x/mod v0.14.0 h1:dGoOF9QVLYng8IHTm7BAyWqCqSheQ5pYWGhzW00YJr0=
-golang.org/x/mod v0.14.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
-golang.org/x/sync v0.6.0 h1:5BMeUDZ7vkXGfEr1x9B4bRcTH4lpkTkpdh0T/J+qjbQ=
-golang.org/x/tools v0.17.0 h1:FvmRgNOcs3kOa+T20R1uhfP9F6HgG2mfxDv1vrx1Htc=
-golang.org/x/tools v0.17.0/go.mod h1:xsh6VxdV005rRVaS6SSAf9oiAqljS7UZUacMZ8Bnsps=
+golang.org/x/mod v0.21.0 h1:vvrHzRwRfVKSiLrG+d4FMl/Qi4ukBCE6kZlTUkDYRT0=
+golang.org/x/mod v0.21.0/go.mod h1:6SkKJ3Xj0I0BrPOZoBy3bdMptDDU9oJrpohJ3eWZ1fY=
+golang.org/x/sync v0.8.0 h1:3NFvSEYkUoMifnESzZl15y791HH1qU2xm6eCJU5ZPXQ=
+golang.org/x/sync v0.8.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
+golang.org/x/tools v0.25.0 h1:oFU9pkj/iJgs+0DT+VMHrx+oBKs/LJMV+Uvg78sl+fE=
+golang.org/x/tools v0.25.0/go.mod h1:/vtpO8WL1N9cQC3FN5zPqb//fRXskFHbLKk4OW1Q7rg=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=

contrib/tools/workflowcheck/workflow/checker.go

@@ -125,7 +125,7 @@ func (c *Checker) debugf(f string, v ...interface{}) {
 func (c *Checker) NewAnalyzer() *analysis.Analyzer {
 	a := &analysis.Analyzer{
 		Name:      "workflowcheck",
-		Doc:       "Analyzes all RegisterWorkflow functions for non-determinism",
+		Doc:       "Analyzes all Workflow functions for non-determinism",
 		Run:       func(p *analysis.Pass) (interface{}, error) { return nil, c.Run(p) },
 		FactTypes: []analysis.Fact{&determinism.PackageNonDeterminisms{}, &determinism.NonDeterminisms{}},
 	}
@@ -197,17 +197,24 @@ func (c *Checker) Run(pass *analysis.Pass) error {
 }
 
 // isWorkflowFunc checks if f has workflow.Context as a first parameter.
-func isWorkflowFunc(f *ast.FuncDecl, pass *analysis.Pass) bool {
+func isWorkflowFunc(f *ast.FuncDecl, pass *analysis.Pass) (b bool) {
 	if f.Type.Params == nil || len(f.Type.Params.List) == 0 {
 		return false
 	}
 	firstParam := f.Type.Params.List[0]
 	typeInfo := pass.TypesInfo.TypeOf(firstParam.Type)
 	named, _ := typeInfo.(*types.Named)
-	if named == nil {
+	alias, _ := typeInfo.(*types.Alias)
+	if named == nil && alias == nil {
 		return false
 	}
-	obj := named.Obj()
+	var obj *types.TypeName
+	if named != nil {
+		obj = named.Obj()
+	}
+	if alias != nil {
+		obj = alias.Obj()
+	}
 	if obj.Pkg() == nil || obj.Name() != "Context" {
 		return false
 	}

contrib/tools/workflowcheck/workflow/testdata/src/go.temporal.io/sdk/internal/internal.go

@@ -0,0 +1,3 @@
+package internal
+
+type Context interface{}

contrib/tools/workflowcheck/workflow/testdata/src/go.temporal.io/sdk/workflow/workflow.go

@@ -1,10 +1,14 @@
 package workflow
 
-import "time"
+import (
+	"time"
+
+	"go.temporal.io/sdk/internal"
+)
 
 type RegisterOptions struct{}
 
-type Context interface{}
+type Context = internal.Context
 
 func AwaitWithTimeout(ctx Context, timeout time.Duration, condition func() bool) (ok bool, err error) {
 	// Intentionally simulate non-deterministic call internally