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| 1 | +/* |
| 2 | + * Flow CLI |
| 3 | + * |
| 4 | + * Copyright Flow Foundation |
| 5 | + * |
| 6 | + * Licensed under the Apache License, Version 2.0 (the "License"); |
| 7 | + * you may not use this file except in compliance with the License. |
| 8 | + * You may obtain a copy of the License at |
| 9 | + * |
| 10 | + * http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | + * |
| 12 | + * Unless required by applicable law or agreed to in writing, software |
| 13 | + * distributed under the License is distributed on an "AS IS" BASIS, |
| 14 | + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 15 | + * See the License for the specific language governing permissions and |
| 16 | + * limitations under the License. |
| 17 | + */ |
| 18 | + |
| 19 | +package emulator |
| 20 | + |
| 21 | +import ( |
| 22 | + "fmt" |
| 23 | + "os" |
| 24 | + "path/filepath" |
| 25 | + "testing" |
| 26 | + |
| 27 | + "github.com/spf13/afero" |
| 28 | + "github.com/spf13/cobra" |
| 29 | + "github.com/stretchr/testify/assert" |
| 30 | + "github.com/stretchr/testify/require" |
| 31 | + |
| 32 | + "github.com/onflow/flowkit/v2" |
| 33 | +) |
| 34 | + |
| 35 | +func Test_PersistentPreRunE_ForkFlag(t *testing.T) { |
| 36 | + // Create a temporary directory for flow.json |
| 37 | + tempDir := t.TempDir() |
| 38 | + flowJSONPath := filepath.Join(tempDir, "flow.json") |
| 39 | + |
| 40 | + // Create a sample flow.json with networks |
| 41 | + flowJSONContent := `{ |
| 42 | + "networks": { |
| 43 | + "mainnet": "access.mainnet.nodes.onflow.org:9000", |
| 44 | + "testnet": "access.devnet.nodes.onflow.org:9000" |
| 45 | + } |
| 46 | + }` |
| 47 | + err := os.WriteFile(flowJSONPath, []byte(flowJSONContent), 0644) |
| 48 | + require.NoError(t, err) |
| 49 | + |
| 50 | + // Create a command with the fork flag |
| 51 | + cmd := &cobra.Command{} |
| 52 | + cmd.Flags().String("fork", "", "") |
| 53 | + cmd.Flags().String("fork-host", "", "") |
| 54 | + cmd.Flags().Bool("skip-tx-validation", false, "") |
| 55 | + |
| 56 | + // Set the PersistentPreRunE function (copied from init) |
| 57 | + cmd.PersistentPreRunE = func(cmd *cobra.Command, args []string) error { |
| 58 | + fh, err := cmd.Flags().GetString("fork-host") |
| 59 | + if err != nil { |
| 60 | + return err |
| 61 | + } |
| 62 | + if fh != "" { |
| 63 | + return nil |
| 64 | + } |
| 65 | + forkOpt, err := cmd.Flags().GetString("fork") |
| 66 | + if err != nil { |
| 67 | + return err |
| 68 | + } |
| 69 | + if forkOpt == "" { |
| 70 | + return nil |
| 71 | + } |
| 72 | + loader := &afero.Afero{Fs: afero.NewOsFs()} |
| 73 | + state, err := flowkit.Load([]string{flowJSONPath}, loader) // Use the test path |
| 74 | + if err != nil { |
| 75 | + return fmt.Errorf("failed to load flow.json: %w", err) |
| 76 | + } |
| 77 | + |
| 78 | + // Resolve network endpoint from flow.json |
| 79 | + network, err := state.Networks().ByName(forkOpt) |
| 80 | + if err != nil { |
| 81 | + return fmt.Errorf("network %q not found in flow.json", forkOpt) |
| 82 | + } |
| 83 | + host := network.Host |
| 84 | + if host == "" { |
| 85 | + return fmt.Errorf("network %q has no host configured", forkOpt) |
| 86 | + } |
| 87 | + |
| 88 | + // Set fork-host flag |
| 89 | + if err := cmd.Flags().Set("fork-host", host); err != nil { |
| 90 | + return err |
| 91 | + } |
| 92 | + |
| 93 | + // Automatically disable signature validation when forking |
| 94 | + if err := cmd.Flags().Set("skip-tx-validation", "true"); err != nil { |
| 95 | + return err |
| 96 | + } |
| 97 | + |
| 98 | + return nil |
| 99 | + } |
| 100 | + |
| 101 | + // Test case 1: Fork with mainnet |
| 102 | + err = cmd.Flags().Set("fork", "mainnet") |
| 103 | + require.NoError(t, err) |
| 104 | + err = cmd.PersistentPreRunE(cmd, []string{}) |
| 105 | + assert.NoError(t, err) |
| 106 | + |
| 107 | + forkHost, _ := cmd.Flags().GetString("fork-host") |
| 108 | + assert.Equal(t, "access.mainnet.nodes.onflow.org:9000", forkHost) |
| 109 | + |
| 110 | + skipValidation, _ := cmd.Flags().GetBool("skip-tx-validation") |
| 111 | + assert.True(t, skipValidation) |
| 112 | + |
| 113 | + // Reset flags for next test |
| 114 | + err = cmd.Flags().Set("fork-host", "") |
| 115 | + require.NoError(t, err) |
| 116 | + err = cmd.Flags().Set("skip-tx-validation", "false") |
| 117 | + require.NoError(t, err) |
| 118 | + |
| 119 | + // Test case 2: Fork with testnet |
| 120 | + err = cmd.Flags().Set("fork", "testnet") |
| 121 | + require.NoError(t, err) |
| 122 | + err = cmd.PersistentPreRunE(cmd, []string{}) |
| 123 | + assert.NoError(t, err) |
| 124 | + |
| 125 | + forkHost, _ = cmd.Flags().GetString("fork-host") |
| 126 | + assert.Equal(t, "access.devnet.nodes.onflow.org:9000", forkHost) |
| 127 | + |
| 128 | + skipValidation, _ = cmd.Flags().GetBool("skip-tx-validation") |
| 129 | + assert.True(t, skipValidation) |
| 130 | +} |
| 131 | + |
| 132 | +func Test_PersistentPreRunE_ForkFlag_Errors(t *testing.T) { |
| 133 | + // Create a temporary directory for flow.json |
| 134 | + tempDir := t.TempDir() |
| 135 | + flowJSONPath := filepath.Join(tempDir, "flow.json") |
| 136 | + |
| 137 | + // Create a flow.json without the network |
| 138 | + flowJSONContent := `{ |
| 139 | + "networks": { |
| 140 | + "mainnet": "access.mainnet.nodes.onflow.org:9000" |
| 141 | + } |
| 142 | + }` |
| 143 | + err := os.WriteFile(flowJSONPath, []byte(flowJSONContent), 0644) |
| 144 | + require.NoError(t, err) |
| 145 | + |
| 146 | + // Create a command |
| 147 | + cmd := &cobra.Command{} |
| 148 | + cmd.Flags().String("fork", "", "") |
| 149 | + cmd.Flags().String("fork-host", "", "") |
| 150 | + |
| 151 | + // Set the PersistentPreRunE function |
| 152 | + cmd.PersistentPreRunE = func(cmd *cobra.Command, args []string) error { |
| 153 | + fh, err := cmd.Flags().GetString("fork-host") |
| 154 | + if err != nil { |
| 155 | + return err |
| 156 | + } |
| 157 | + if fh != "" { |
| 158 | + return nil |
| 159 | + } |
| 160 | + forkOpt, err := cmd.Flags().GetString("fork") |
| 161 | + if err != nil { |
| 162 | + return err |
| 163 | + } |
| 164 | + if forkOpt == "" { |
| 165 | + return nil |
| 166 | + } |
| 167 | + loader := &afero.Afero{Fs: afero.NewOsFs()} |
| 168 | + state, err := flowkit.Load([]string{flowJSONPath}, loader) |
| 169 | + if err != nil { |
| 170 | + return fmt.Errorf("failed to load flow.json: %w", err) |
| 171 | + } |
| 172 | + |
| 173 | + // Resolve network endpoint from flow.json |
| 174 | + network, err := state.Networks().ByName(forkOpt) |
| 175 | + if err != nil { |
| 176 | + return fmt.Errorf("network %q not found in flow.json", forkOpt) |
| 177 | + } |
| 178 | + host := network.Host |
| 179 | + if host == "" { |
| 180 | + return fmt.Errorf("network %q has no host configured", forkOpt) |
| 181 | + } |
| 182 | + |
| 183 | + // Set fork-host flag |
| 184 | + if err := cmd.Flags().Set("fork-host", host); err != nil { |
| 185 | + return err |
| 186 | + } |
| 187 | + |
| 188 | + // Automatically disable signature validation when forking |
| 189 | + if err := cmd.Flags().Set("skip-tx-validation", "true"); err != nil { |
| 190 | + return err |
| 191 | + } |
| 192 | + |
| 193 | + return nil |
| 194 | + } |
| 195 | + |
| 196 | + // Test case: Network not found |
| 197 | + err = cmd.Flags().Set("fork", "nonexistent") |
| 198 | + require.NoError(t, err) |
| 199 | + err = cmd.PersistentPreRunE(cmd, []string{}) |
| 200 | + assert.Error(t, err) |
| 201 | + assert.Contains(t, err.Error(), "network \"nonexistent\" not found") |
| 202 | +} |
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