test: add DisplayFile parse tests

Author: worksofliam

src/tests/parse.test.ts

@@ -0,0 +1,59 @@
+import { describe, it, expect } from "vitest";
+import { DisplayFile } from "../ui/dspf";
+
+describe('DisplayFile.parse', () => {
+  const dspf: string[] = [
+    `     A                                      DSPSIZ(24 80 *DS3)                  `,
+    `     A          R HEAD                                                          `,
+    `     A                                  1 32'vscode-displayfile'                `,
+    `     A          R FMT1                                                          `,
+    `     A                                      SLNO(03)                            `,
+    `     A                                  1  3'Opt'                               `,
+    `     A                                      COLOR(BLU)                          `,
+    `     A                                  1  8'Name'                              `,
+    `     A                                      COLOR(BLU)                          `,
+    `     A          R GLOBAL                                                        `,
+    `     A                                      SLNO(04)                            `,
+    `     A                                  1  3'---'                               `,
+    `     A          R FORM1                                                         `,
+    `     A                                      SLNO(06)                            `,
+    `     A            FLD0101       10A  B  3  5                                    `,
+    `     A  20                                  DSPATR(PR)                          `,
+    `     A                                      COLOR(YLW)                          `,
+    `     A            FLD0102       10   B  3  5                                    `,
+  ];
+
+  it('parses record and field information', () => {
+    const dds = new DisplayFile();
+    dds.parse(dspf);
+
+    expect(dds.formats[0].name).toBe('_GLOBAL');
+    expect(dds.formats[0].keywords).toContainEqual({name: 'DSPSIZ', value: '24 80 *DS3', conditions: []});
+
+    const head = dds.formats.find(f => f.name === 'HEAD');
+    expect(head).toBeDefined();
+    expect(head!.fields).toHaveLength(1);
+    const headField = head!.fields[0];
+    expect(headField.name).toBe('TEXT1');
+    expect(headField.value).toBe('vscode-displayfile');
+    expect(headField.displayType).toBe('const');
+    expect(headField.position).toEqual({x: 32, y: 1});
+
+    const fmt1 = dds.formats.find(f => f.name === 'FMT1');
+    expect(fmt1).toBeDefined();
+    const optField = fmt1!.fields[0];
+    expect(optField.value).toBe('Opt');
+    expect(optField.keywords).toContainEqual({name: 'COLOR', value: 'BLU', conditions: []});
+
+    const form1 = dds.formats.find(f => f.name === 'FORM1');
+    expect(form1).toBeDefined();
+    const fld0101 = form1!.fields.find(f => f.name === 'FLD0101');
+    expect(fld0101).toBeDefined();
+    expect(fld0101!.displayType).toBe('both');
+    expect(fld0101!.type).toBe('A');
+    expect(fld0101!.length).toBe(10);
+    expect(fld0101!.position).toEqual({x: 5, y: 3});
+    expect(fld0101!.keywords).toContainEqual({name: 'COLOR', value: 'YLW', conditions: []});
+    expect(fld0101!.keywords).toContainEqual({name: 'DSPATR', value: 'PR', conditions: [{indicator: 20, negate: false}]});
+  });
+});