cmd/evm: add testcases for evm run output

cmd/evm/t8n_test.go

@@ -24,6 +24,7 @@ import (
 	"os"
 	"path/filepath"
 	"reflect"
+	"slices"
 	"strings"
 	"testing"
 
@@ -672,6 +673,74 @@ func TestB11r(t *testing.T) {
 	}
 }
 
+func TestEvmRun(t *testing.T) {
+	t.Parallel()
+	tt := cmdtest.NewTestCmd(t, nil)
+	for i, tc := range []struct {
+		input      []string
+		wantStdout string
+		wantStderr string
+	}{
+		{ // json tracing
+			input:      []string{"--trace", "--trace.format=json", "6040"},
+			wantStdout: "./testdata/evmrun/1.out.1.txt",
+			wantStderr: "./testdata/evmrun/1.out.2.txt",
+		},
+		{ // Same as above, using the deprecated --json
+			input:      []string{"--json", "6040"},
+			wantStdout: "./testdata/evmrun/1.out.1.txt",
+			wantStderr: "./testdata/evmrun/1.out.2.txt",
+		},
+		{ // default tracing (struct)
+			input:      []string{"--trace", "0x6040"},
+			wantStdout: "./testdata/evmrun/2.out.1.txt",
+			wantStderr: "./testdata/evmrun/2.out.2.txt",
+		},
+		{ // default tracing (struct), plus alloc-dump
+			input:      []string{"--trace", "--dump", "0x6040"},
+			wantStdout: "./testdata/evmrun/3.out.1.txt",
+			//wantStderr: "./testdata/evmrun/3.out.2.txt",
+		},
+		{ // json-tracing, plus alloc-dump
+			input:      []string{"--trace", "--trace.format=json", "--dump", "0x6040"},
+			wantStdout: "./testdata/evmrun/4.out.1.txt",
+			//wantStderr: "./testdata/evmrun/4.out.2.txt",
+		},
+		{ // md-tracing
+			input:      []string{"--trace", "--trace.format=md", "0x6040"},
+			wantStdout: "./testdata/evmrun/5.out.1.txt",
+			wantStderr: "./testdata/evmrun/5.out.2.txt",
+		},
+	} {
+		args := slices.Concat([]string{"run"}, tc.input)
+		tt.Logf("args: go run ./cmd/evm %v\n", strings.Join(args, " "))
+		tt.Run("evm-test", args...)
+
+		haveStdOut := tt.Output()
+		haveStdErr := tt.StderrText()
+		tt.WaitExit()
+
+		if have, wantFile := haveStdOut, tc.wantStdout; wantFile != "" {
+			want, err := os.ReadFile(wantFile)
+			if err != nil {
+				t.Fatalf("test %d: could not read expected output: %v", i, err)
+			}
+			if string(haveStdOut) != string(want) {
+				t.Fatalf("test %d, output wrong, have \n%v\nwant\n%v\n", i, string(have), string(want))
+			}
+		}
+		if have, wantFile := haveStdErr, tc.wantStderr; wantFile != "" {
+			want, err := os.ReadFile(wantFile)
+			if err != nil {
+				t.Fatalf("test %d: could not read expected output: %v", i, err)
+			}
+			if string(have) != string(want) {
+				t.Fatalf("test %d, output wrong\nhave %q\nwant %q\n", i, string(have), string(want))
+			}
+		}
+	}
+}
+
 // cmpJson compares the JSON in two byte slices.
 func cmpJson(a, b []byte) (bool, error) {
 	var j, j2 interface{}

cmd/evm/testdata/evmrun/1.out.2.txt

@@ -0,0 +1,3 @@
+{"pc":0,"op":96,"gas":"0x2540be400","gasCost":"0x3","memSize":0,"stack":[],"depth":1,"refund":0,"opName":"PUSH1"}
+{"pc":2,"op":0,"gas":"0x2540be3fd","gasCost":"0x0","memSize":0,"stack":["0x40"],"depth":1,"refund":0,"opName":"STOP"}
+{"output":"","gasUsed":"0x3"}

cmd/evm/testdata/evmrun/2.out.2.txt

@@ -0,0 +1,6 @@
+PUSH1           pc=00000000 gas=10000000000 cost=3
+
+STOP            pc=00000002 gas=9999999997 cost=0
+Stack:
+00000000  0x40
+

cmd/evm/testdata/evmrun/3.out.1.txt

@@ -0,0 +1,13 @@
+{
+    "root": "b444481d1367188172f8c6091e948aaa68bae763fd26d6b9e994306a66bf69f9",
+    "accounts": {
+        "pre(0x30d7a0694cb29af31b982480e11d7ebb003a3fca4026939149071f014689b142)": {
+            "balance": "0",
+            "nonce": 0,
+            "root": "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "codeHash": "0x3e48ef54b89079a075f3b8fc253c657a86b110a7aed3568c1517b10edf2c3eb6",
+            "code": "0x6040",
+            "key": "0x30d7a0694cb29af31b982480e11d7ebb003a3fca4026939149071f014689b142"
+        }
+    }
+}

cmd/evm/testdata/evmrun/3.out.2.txt

@@ -0,0 +1,9 @@
+PUSH1           pc=00000000 gas=10000000000 cost=3
+
+STOP            pc=00000002 gas=9999999997 cost=0
+Stack:
+00000000  0x40
+
+INFO [12-03|10:37:15.827] Trie dumping started                     root=b44448..bf69f9
+WARN [12-03|10:37:15.827] Dump incomplete due to missing preimages missing=1
+INFO [12-03|10:37:15.827] Trie dumping complete                    accounts=1 elapsed="163.513µs"

cmd/evm/testdata/evmrun/4.out.1.txt

@@ -0,0 +1,13 @@
+{
+    "root": "b444481d1367188172f8c6091e948aaa68bae763fd26d6b9e994306a66bf69f9",
+    "accounts": {
+        "pre(0x30d7a0694cb29af31b982480e11d7ebb003a3fca4026939149071f014689b142)": {
+            "balance": "0",
+            "nonce": 0,
+            "root": "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "codeHash": "0x3e48ef54b89079a075f3b8fc253c657a86b110a7aed3568c1517b10edf2c3eb6",
+            "code": "0x6040",
+            "key": "0x30d7a0694cb29af31b982480e11d7ebb003a3fca4026939149071f014689b142"
+        }
+    }
+}

cmd/evm/testdata/evmrun/4.out.2.txt

@@ -0,0 +1,6 @@
+{"pc":0,"op":96,"gas":"0x2540be400","gasCost":"0x3","memSize":0,"stack":[],"depth":1,"refund":0,"opName":"PUSH1"}
+{"pc":2,"op":0,"gas":"0x2540be3fd","gasCost":"0x0","memSize":0,"stack":["0x40"],"depth":1,"refund":0,"opName":"STOP"}
+{"output":"","gasUsed":"0x3"}
+INFO [12-03|10:38:33.360] Trie dumping started                     root=b44448..bf69f9
+WARN [12-03|10:38:33.361] Dump incomplete due to missing preimages missing=1
+INFO [12-03|10:38:33.361] Trie dumping complete                    accounts=1 elapsed="240.811µs"

cmd/evm/testdata/evmrun/5.out.2.txt

@@ -0,0 +1,16 @@
+Pre-execution info:
+  - from: `0x000000000000000000000000000073656E646572`
+  - to: `0x0000000000000000000000007265636569766572`
+  - data: ``
+  - gas: `10000000000`
+  - value: `0` wei
+
+|  Pc   |      Op     | Cost |   Refund  |   Stack   |
+|-------|-------------|------|-----------|-----------|
+|    0  |      PUSH1  |    3 |         0 |        [] |
+|    2  |       STOP  |    0 |         0 |    [0x40] |
+
+Post-execution info:
+  - output: ``
+  - consumed gas: `3`
+  - error: `<nil>`