Add test coverage for elided frames with leading whitespace (#138)

.gitignore

@@ -3,3 +3,4 @@ vendor/
 /lint.log
 /cover.out
 /cover.html
+.idea/

internal/stack/stacks.go

@@ -172,8 +172,9 @@ func (p *stackParser) parseStack(line string) (Stack, error) {
 			// Just skip it.
 			continue
 		}
-		if strings.HasPrefix(line, "...") && strings.HasSuffix(line, " frames elided...") {
-			// e.g. ...23 frames elided...
+		trimmedLine := strings.TrimSpace(line)
+		if strings.HasPrefix(trimmedLine, "...") && strings.HasSuffix(trimmedLine, " frames elided...") {
+			// e.g. "...23 frames elided..." or "  ...23 frames elided..."
 			// This indicates frames were elided from the stack trace,
 			// attempting to parse them via parseFuncName will fail resulting in a panic
 			// and a relatively useless output. Gracefully handle this.

internal/stack/stacks_test.go

@@ -336,6 +336,24 @@ func TestParseStack(t *testing.T) {
 				"example.com/foo/bar.baz",
 			},
 		},
+		{
+			name: "elided frames with leading whitespaces",
+			give: joinLines(
+				"goroutine 1 [running]:",
+				"example.com/foo/bar.baz()",
+				"	example.com/foo/bar.go:123",
+				"  ...23 frames elided...",
+				"created by example.com/foo/bar.qux",
+				" example.com/foo/bar.go:456",
+			),
+			id:        1,
+			state:     "running",
+			createdBy: "example.com/foo/bar.qux",
+			firstFunc: "example.com/foo/bar.baz",
+			funcs: []string{
+				"example.com/foo/bar.baz",
+			},
+		},
 	}
 
 	for _, tt := range tests {