ik0 replace test seams with dependency injection

1 files changed, 15 insertions, 25 deletions

diff --git a/internal/tmuxedit/pane_test.go b/internal/tmuxedit/pane_test.go
index 5b6f1b6..d15ef55 100644
--- a/internal/tmuxedit/pane_test.go
+++ b/internal/tmuxedit/pane_test.go
@@ -6,13 +6,11 @@ import (
 )
 
 func TestResolveTargetPane_FlagWins(t *testing.T) {
-	old := runCommand
-	defer func() { runCommand = old }()
-	runCommand = func(string, ...string) ([]byte, error) {
+	deps := tmuxEditDeps{runCommand: func(string, ...string) ([]byte, error) {
 		return []byte("%99"), nil
-	}
+	}}
 	t.Setenv("HEXAI_TMUX_PANE", "%10")
-	got, err := resolveTargetPane("%5")
+	got, err := deps.resolveTargetPane("%5")
 	if err != nil {
 		t.Fatalf("unexpected error: %v", err)
 	}
@@ -22,13 +20,11 @@ func TestResolveTargetPane_FlagWins(t *testing.T) {
 }
 
 func TestResolveTargetPane_EnvFallback(t *testing.T) {
-	old := runCommand
-	defer func() { runCommand = old }()
-	runCommand = func(string, ...string) ([]byte, error) {
+	deps := tmuxEditDeps{runCommand: func(string, ...string) ([]byte, error) {
 		return []byte("%99"), nil
-	}
+	}}
 	t.Setenv("HEXAI_TMUX_PANE", "%10")
-	got, err := resolveTargetPane("")
+	got, err := deps.resolveTargetPane("")
 	if err != nil {
 		t.Fatalf("unexpected error: %v", err)
 	}
@@ -38,16 +34,14 @@ func TestResolveTargetPane_EnvFallback(t *testing.T) {
 }
 
 func TestResolveTargetPane_TmuxQuery(t *testing.T) {
-	old := runCommand
-	defer func() { runCommand = old }()
-	runCommand = func(name string, args ...string) ([]byte, error) {
+	deps := tmuxEditDeps{runCommand: func(name string, args ...string) ([]byte, error) {
 		if name == "tmux" && len(args) > 0 && args[0] == "display-message" {
 			return []byte("%42\n"), nil
 		}
 		return nil, fmt.Errorf("unexpected command: %s", name)
-	}
+	}}
 	t.Setenv("HEXAI_TMUX_PANE", "")
-	got, err := resolveTargetPane("")
+	got, err := deps.resolveTargetPane("")
 	if err != nil {
 		t.Fatalf("unexpected error: %v", err)
 	}
@@ -57,26 +51,22 @@ func TestResolveTargetPane_TmuxQuery(t *testing.T) {
 }
 
 func TestResolveTargetPane_TmuxError(t *testing.T) {
-	old := runCommand
-	defer func() { runCommand = old }()
-	runCommand = func(string, ...string) ([]byte, error) {
+	deps := tmuxEditDeps{runCommand: func(string, ...string) ([]byte, error) {
 		return nil, fmt.Errorf("tmux not available")
-	}
+	}}
 	t.Setenv("HEXAI_TMUX_PANE", "")
-	_, err := resolveTargetPane("")
+	_, err := deps.resolveTargetPane("")
 	if err == nil {
 		t.Fatal("expected error when tmux fails")
 	}
 }
 
 func TestResolveTargetPane_TmuxEmptyOutput(t *testing.T) {
-	old := runCommand
-	defer func() { runCommand = old }()
-	runCommand = func(string, ...string) ([]byte, error) {
+	deps := tmuxEditDeps{runCommand: func(string, ...string) ([]byte, error) {
 		return []byte("  \n"), nil
-	}
+	}}
 	t.Setenv("HEXAI_TMUX_PANE", "")
-	_, err := resolveTargetPane("")
+	_, err := deps.resolveTargetPane("")
 	if err == nil {
 		t.Fatal("expected error for empty tmux output")
 	}